Prof. Fabrizio Martelli Profile

Prof. Fabrizio Martelli

Associate Professor at Univ degli Studi di Firenze

SPIE Involvement:

Author

Publications (66)

Proceedings Article | 12 March 2024 Presentation + Paper

Time-resolved depolarization analysis of back-scattered light

Ernesto Pini, Fabrizio Martelli, Diederik Wiersma, Alexander Gatto, Henrik Schäfer, Lorenzo Pattelli

Proceedings Volume 12845, 1284502 (2024) https://doi.org/10.1117/12.3001002

KEYWORDS: Depolarization, Polarization, Monte Carlo methods, Light scattering, Emulsions, Simulations, Ultrafast phenomena, Refractive index, Reflection

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Proceedings Article | 11 August 2023 Paper

Direct measurements of diffusive samples by random lasing

Federico Tommasi, Lorenzo Fini, Fabrizio Martelli, Stefano Cavalieri

Proceedings Volume 12629, 126290G (2023) https://doi.org/10.1117/12.2670943

KEYWORDS: Sensors, Random lasers, Laser scattering, Optical fibers, Pulse signals, Mie scattering, Calibration, Sensor calibration, Scattering, Pulsed laser operation

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Proceedings Article | 9 August 2023 Paper

Relation between fluence rate and mean photons pathlengths: an alternative option for Monte Carlo-based calculations of fluence

Federico Tommasi, Angelo Sassaroli, Lorenzo Fini, Stefano Cavalieri, Ernesto Pini, Lorenzo Pattelli, Fabrizio Martelli

Proceedings Volume 12628, 126282I (2023) https://doi.org/10.1117/12.2670936

KEYWORDS: Photons, Simulations, Monte Carlo methods, Absorption, Scattering, Biomedical optics, Optical properties, Tissues, Reliability

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Proceedings Article | 9 August 2023 Paper

Validation test of Monte Carlo codes employed in biomedical optics applications

Federico Tommasi, Angelo Sassaroli, Lorenzo Fini, Stefano Cavalieri, Fabrizio Martelli

Proceedings Volume 12628, 126282J (2023) https://doi.org/10.1117/12.2670940

KEYWORDS: Monte Carlo methods, Scattering, Refractive index, Computer simulations, Optical spheres, Biomedical applications, Biomedical optics, Light sources and illumination, Simulations

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Proceedings Article | 9 August 2023 Paper

Reconstruction of Raman spectra of two-layer diffusive media: model-based approach in time-domain

Stefan Šušnjar, Fabrizio Martelli, Johannes Swartling, Nina Reistad, Antonio Pifferi

Proceedings Volume 12628, 126280R (2023) https://doi.org/10.1117/12.2670807

KEYWORDS: Raman spectroscopy, Photons, Model-based design, Reflectivity, Raman scattering, Emission wavelengths, Simulations, Matrices, Mathematical modeling, Tissues

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Proceedings Article | 7 March 2023 Poster + Paper

Verification test of Monte Carlo codes for biomedical optics applications with arbitrary accuracy

Fabrizio Martelli, Federico Tommasi, Angelo Sassaroli, Lorenzo Fini, Stefano Cavalieri

Proceedings Volume 12376, 123760Q (2023) https://doi.org/10.1117/12.2650577

KEYWORDS: Monte Carlo methods, Scattering, Computer simulations, Refractive index, Optical spheres, Biomedical optics, Biomedical applications, Light sources and illumination, Simulations

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Proceedings Article | 7 March 2023 Poster + Paper

Random laser-based noninvasive sensor for direct measurements of scattering samples

Federico Tommasi, Lorenzo Fini, Fabrizio Martelli, Stefano Cavalieri

Proceedings Volume 12376, 123760O (2023) https://doi.org/10.1117/12.2650333

KEYWORDS: Sensors, Laser scattering, Random lasers, Calibration, Pulse signals, Optical fibers, Spectrometers, Scattering, Reproducibility, Biological samples

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Proceedings Article | 7 March 2023 Poster + Paper

Relation between fluence rate and mean photons pathlengths: an interesting option for Monte Carlo-based fluence calculations in biomedical optics

Fabrizio Martelli, Angelo Sassaroli, Federico Tommasi, Lorenzo Fini, Stefano Cavalieri

Proceedings Volume 12376, 123760P (2023) https://doi.org/10.1117/12.2650519

KEYWORDS: Photons, Simulations, Biomedical optics, Monte Carlo methods, Absorption, Scattering, Optical properties, Tissues, Reliability

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SPIE Press Book | 13 December 2022

Light Propagation through Biological Tissue and Other Diffusive Media: Theory, Solutions, and Validation, Second Edition

Fabrizio Martelli, Tiziano Binzoni, André Liemert, Samuele Del Bianco, Alwin Kienle

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Light Propagation through Biological Tissue and Other Diffusive Media: Theory, Solutions, and Validation, Second Edition

SPIE Journal Paper | 8 August 2022 Open Access

Special Section Guest Editorial: Introduction to the Special Section Celebrating 30 years of Open Source Monte Carlo Codes in Biomedical Optics

Qianqian Fang, Fabrizio Martelli, Lothar Lilge

JBO, Vol. 27, Issue 08, 083001, (August 2022) https://doi.org/10.1117/12.10.1117/1.JBO.27.8.083001

KEYWORDS: Biomedical optics, Monte Carlo methods, Photodynamic therapy, Photoacoustic spectroscopy, Tissues, Stochastic processes, Spectroscopy, Speckle, Optical properties, Clouds

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SPIE Journal Paper | 20 April 2022 Open Access

Two-step verification method for Monte Carlo codes in biomedical optics applications

Angelo Sassaroli, Federico Tommasi, Stefano Cavalieri, Lorenzo Fini, André Liemert, Alwin Kienle, Tiziano Binzoni, Fabrizio Martelli

JBO, Vol. 27, Issue 08, 083018, (April 2022) https://doi.org/10.1117/12.10.1117/1.JBO.27.8.083018

KEYWORDS: Scattering, Monte Carlo methods, Biomedical optics, Refractive index, Rayleigh scattering, Photons, Statistical analysis, Optical properties, Light scattering, Laser scattering

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Proceedings Article | 5 March 2021 Presentation

Optimization of diffuse correlation spectroscopy instrumental and experimental parameters based on precision targets

Lorenzo Cortese, Giuseppe Lo Presti, Marco Pagliazzi, Jonas Fischer, Martina Giovannella, Marta Zanoletti, Fabio Ferri, Fabrizio Martelli, Alberto Dalla Mora, Davide Contini, Stanislaw Wojtkiewicz, Hamid Dehghani, Udo Weigel, Turgut Durduran

Proceedings Volume 11639, 116390X (2021) https://doi.org/10.1117/12.2578237

KEYWORDS: Spectroscopes, Tissue optics, Temporal resolution, Blood circulation, Speckle, Sensors, Physiology, Photon counting, Near infrared spectroscopy, Light scattering

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Proceedings Article | 11 July 2019 Paper

Spectral approach to time domain diffuse optical tomography for breast cancer: validation on meat phantoms

Edoardo Ferocino, Giuseppe Di Sciacca, Laura Di Sieno, Alberto Dalla Mora, Antonio Pifferi, Simon Arridge, Fabrizio Martelli, Paola Taroni, Andrea Farina

Proceedings Volume 11074, 1107408 (2019) https://doi.org/10.1117/12.2526649

KEYWORDS: Breast cancer, Diffuse optical tomography, Tissues, Absorption, Scattering, Breast, Mie scattering, Software development, Chromophores, Tissue optics

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Proceedings Article | 11 April 2019 Paper

Advances in random lasing sensing

Federico Tommasi, Emilio Ignesti, Lorenzo Fini, Fabrizio Martelli, Stefano Cavalieri

Proceedings Volume 11028, 110280L (2019) https://doi.org/10.1117/12.2522329

KEYWORDS: Scattering, Sensors, Random lasers, Particles, Laser scattering, Mie scattering, Nanoparticles, Refractive index

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Proceedings Article | 1 March 2019 Presentation + Paper

Multi-wavelength time domain diffuse optical tomography for breast cancer: initial results on silicone phantoms

Edoardo Ferocino, Giuseppe Di Sciacca, Laura Di Sieno, Alberto Dalla Mora, Antonio Pifferi, Simon Arridge, Fabrizio Martelli, Paola Taroni, Andrea Farina

Proceedings Volume 10874, 108741N (2019) https://doi.org/10.1117/12.2508657

KEYWORDS: Absorption, Silicon, Scattering, Breast cancer, Optical properties, Diffuse optical tomography, Tissue optics, Breast, Sensors, Tissues

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Proceedings Article | 17 May 2018 Presentation + Paper

Study of optimal measurement conditions for time-domain diffuse optics systems

Anurag Behera, Laura Di Sieno, Antonio Pifferi, Fabrizio Martelli, Alberto Dalla Mora

Proceedings Volume 10685, 1068514 (2018) https://doi.org/10.1117/12.2307370

KEYWORDS: Photons, Absorption, Diffusion, Diffuse optical imaging, Scattering, Laser scattering, Geometrical optics, Picosecond phenomena, Sensors, Optical properties

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Light is a powerful non-invasive tool that can be exploited to probe highly scattering media like biological tissues for different purposes, from the detection of brain activity to the characterization of cancer lesions. In the last decade, timedomain diffuse optics (TDDO) systems demonstrated improved sensitivity when using time-gated acquisition chains and short source-detector separations (ρ), both theoretically and experimentally. However, the sensitivity to localized absorption changes buried inside a diffusive medium strongly depends on many parameters such as: SDS, laser power, delay and width of the gating window, absorption and scattering properties of the medium, instrument response function (IRF) shape, etc. In particular, relevant effects due to slow tails in the IRF were noticed, with detrimental effects on performances. We present simulated experimental results based on the diffusion approximation of the Radiative Transfer Equation and the perturbation theory subjected to the Born approximation. To quantify the system sensitivity to deep (few cm) and localized absorption perturbations, we exploited contrast and contrast-to-noise ratio (CNR), which are internationally agreed on standardized figures of merit. The purpose of this study is to determine which parameters have the greatest impact on these figures of merit, thus also providing a range of best operative conditions. The study is composed by two main stages: the former is a comparison between simulations and measurements on tissue-mimicking phantom, while the latter is a broad simulation study in which all relevant parameters are tuned to determine optimal measurement conditions. This study essentially demonstrates that under the influence of the slow tails in the IRF, the use of a small SDS no longer corresponds to optimal contrast and CNR. This work sets the ground for future studies with next-generation of TDDO components, presently under development, providing useful hints on relevant features to which one should take care when designing TDDO components.

Proceedings Article | 28 July 2017 Paper

Time-resolved analytical model for Raman scattering in a diffusive medium

Andrea Farina, Tiziano Binzoni, Sanathana Konugolu Venkata Sekar, Antonio Pifferi, Fabrizio Martelli

Proceedings Volume 10412, 104120D (2017) https://doi.org/10.1117/12.2290863

KEYWORDS: Raman scattering, Scattering, Diffuse optical imaging, Diffuse reflectance spectroscopy, Photon transport

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Proceedings Article | 16 May 2017 Paper

A new concept for non-invasive optical sensing: random lasing

Federico Tommasi, Emilio Ignesti, Lorenzo Fini, Fabrizio Martelli, Stefano Cavalieri

Proceedings Volume 10231, 102310E (2017) https://doi.org/10.1117/12.2265534

KEYWORDS: Laser development, Optical resonators, Light scattering, Random lasers, Scattering, Laser scattering, Sensors, Optical sensing, Optical sensors, Laser systems engineering, Tissues

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Proceedings Article | 17 February 2017 Paper

Statistics of photon penetration depth in diffusive media

Lorenzo Spinelli, Andrea Farina, Tiziano Binzoni, Alessandro Torricelli, Antonio Pifferi, Fabrizio Martelli

Proceedings Volume 10059, 100590X (2017) https://doi.org/10.1117/12.2252367

KEYWORDS: Signal detection, Tissues, Photodetectors, Biomedical optics, Scattering media, Skin, Reflectivity, Neuroimaging, Brain, Scattering, Picosecond phenomena, Absorption, Diffusion, Radiative transfer

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SPIE Journal Paper | 2 November 2015 Open Access

Optimal estimation reconstruction of the optical properties of a two-layered tissue phantom from time-resolved single-distance measurements

Fabrizio Martelli, Samuele Del Bianco, Lorenzo Spinelli, Stefano Cavalieri, Paola Di Ninni, Tiziano Binzoni, Alexander Jelzow, Rainer Macdonald, Heidrun Wabnitz

JBO, Vol. 20, Issue 11, 115001, (November 2015) https://doi.org/10.1117/12.10.1117/1.JBO.20.11.115001

KEYWORDS: Optical properties, Tissues, Absorption, Tissue optics, Picosecond phenomena, Biological research, Data modeling, Reconstruction algorithms, Brain, Scattering

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SPIE Journal Paper | 28 July 2015 Open Access

Mechanically switchable solid inhomogeneous phantom for performance tests in diffuse imaging and spectroscopy

Antonio Pifferi, Alessandro Torricelli, Rinaldo Cubeddu, Giovanna Quarto, Rebecca Re, Sanathana K. V. Sekar, Lorenzo Spinelli, Andrea Farina, Fabrizio Martelli, Heidrun Wabnitz

JBO, Vol. 20, Issue 12, 121304, (July 2015) https://doi.org/10.1117/12.10.1117/1.JBO.20.12.121304

KEYWORDS: Absorption, Solids, Picosecond phenomena, Scattering, Transmittance, Imaging spectroscopy, Sensors, Optical fibers, Optical properties, Reflectivity

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Proceedings Article | 16 July 2015 Paper

Time-domain diffuse optics: towards next generation devices

Davide Contini, Alberto Dalla Mora, Simon Arridge, Fabrizio Martelli, Alberto Tosi, Gianluca Boso, Andrea Farina, Turgut Durduran, Edoardo Martinenghi, Alessandro Torricelli, Antonio Pifferi

Proceedings Volume 9538, 95380A (2015) https://doi.org/10.1117/12.2183693

KEYWORDS: Sensors, Diffuse optical imaging, Vertical cavity surface emitting lasers, Absorption, Brain, Information technology, Standards development, Light scattering, Scattering

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Proceedings Article | 16 July 2015 Paper

Design and construction of a solid switchable phantom for diffuse optical imaging

Antonio Pifferi, Fabrizio Martelli, Lorenzo Spinelli, Andrea Farina, Rebecca Re, Giovanna Quarto, Sanathana Konugolu Venkata Sekar, Alessandro Torricelli, Rinaldo Cubeddu, Mikhail Mazurenka, Rainer Macdonald, Heidrun Wabnitz

Proceedings Volume 9538, 95380Q (2015) https://doi.org/10.1117/12.2183657

KEYWORDS: Picosecond phenomena, Solids, Diffuse optical imaging, Absorption, Optical fibers, Reflectivity, Transmittance, Scattering, Optical properties, Brain

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Proceedings Article | 6 March 2015 Paper

Solid switchable phantom for diffuse optical imaging

Antonio Pifferi, Alessandro Torricelli, Rinaldo Cubeddu, Giovanna Quarto, Rebecca Re, Sanathana Konugolu Venkata Sekar, Lorenzo Spinelli, Andrea Farina, Fabrizio Martelli, Heidrun Wabnitz

Proceedings Volume 9325, 932505 (2015) https://doi.org/10.1117/12.2084789

KEYWORDS: Absorption, Solids, Transmittance, Scattering, Optical properties, Imaging systems, Picosecond phenomena, Diffuse optical imaging, Optical spheres, Electroluminescent displays

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Proceedings Article | 5 March 2015 Paper

Towards next generation time-domain diffuse optics devices

Alberto Dalla Mora, Davide Contini, Simon Arridge, Fabrizio Martelli, Alberto Tosi, Gianluca Boso, Andrea Farina, Turgut Durduran, Edoardo Martinenghi, Alessandro Torricelli, Antonio Pifferi

Proceedings Volume 9319, 93191J (2015) https://doi.org/10.1117/12.2078955

KEYWORDS: Sensors, Photons, Diffuse optical imaging, Absorption, Vertical cavity surface emitting lasers, Electronics, Single photon detectors, Pulse generators, Brain

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Proceedings Article | 5 March 2015 Paper

Effects of formalin fixation on tissue optical properties of in-vitro brain samples

Suresh Anand, Riccardo Cicchi, Fabrizio Martelli, Flavio Giordano, Anna Maria Buccoliero, Renzo Guerrini, Francesco Pavone

Proceedings Volume 9321, 93210Z (2015) https://doi.org/10.1117/12.2076961

KEYWORDS: Tissue optics, Tissues, Scattering, Optical properties, Brain, Spectroscopy, Tumors, In vitro testing, Absorption, In vivo imaging

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SPIE Journal Paper | 14 August 2014 Open Access

Performance assessment of time-domain optical brain imagers, part 2: nEUROPt protocol

Heidrun Wabnitz, Alexander Jelzow, Mikhail Mazurenka, Oliver Steinkellner, Rainer Macdonald, Daniel Milej, Norbert Żołek, Michał Kacprzak, Piotr Sawosz, Roman Maniewski, Adam Liebert, Salavat Magazov, Jeremy Hebden, Fabrizio Martelli, Paola Di Ninni, Giovanni Zaccanti, Alessandro Torricelli, Davide Contini, Rebecca Re, Lucia Zucchelli, Lorenzo Spinelli, Rinaldo Cubeddu, Antonio Pifferi

JBO, Vol. 19, Issue 08, 086012, (August 2014) https://doi.org/10.1117/12.10.1117/1.JBO.19.8.086012

KEYWORDS: Absorption, Brain, Neuroimaging, Imaging systems, Optical properties, Sensors, Data analysis, Liquids, Biomedical optics, Spatial resolution

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SPIE Journal Paper | 14 July 2014 Open Access

Phantoms for diffuse optical imaging based on totally absorbing objects, part 2: experimental implementation

Fabrizio Martelli, Paola Di Ninni, Giovanni Zaccanti, Davide Contini, Lorenzo Spinelli, Alessandro Torricelli, Rinaldo Cubeddu, Heidrun Wabnitz, Mikhail Mazurenka, Rainer Macdonald, Angelo Sassaroli, Antonio Pifferi

JBO, Vol. 19, Issue 07, 076011, (July 2014) https://doi.org/10.1117/12.10.1117/1.JBO.19.7.076011

KEYWORDS: Absorption, Photons, Scattering, Optical properties, Liquids, Diffuse optical imaging, Solids, Reflectivity, Sensors, Monte Carlo methods

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Proceedings Article | 23 August 2013 Paper

Realistic inhomogeneous phantoms using an equivalent black volume

Fabrizio Martelli, Antonio Pifferi, Davide Contini, Lorenzo Spinelli, Alessandro Torricelli, Mikhail Mazurenka, Heidrun Wabnitz, Rainer Macdonald, Angelo Sassaroli, Paola Di Ninni, Giovanni Zaccanti

Proceedings Volume 8804, 88040F (2013) https://doi.org/10.1117/12.2036290

KEYWORDS: Monte Carlo methods, Absorption, Picosecond phenomena, Calibration, Optical spheres, Sensors, Diffuse optical imaging, Brain, Optical properties, Brain activation

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Proceedings Article | 24 June 2013 Paper

Multi-laboratory investigation of the optical properties of the human head

A. Farina, A. Pifferi, A. Torricelli, I. Bargigia, L. Spinelli, R. Cubeddu, F. Foschum, M. Jäger, E. Simon, O. Fugger, A. Kienle, F. Martelli, P. Di Ninni, G. Zaccanti, A. Jelzow, E. Kirilina, H. Wabnitz, J. Heiskala, M. Schweiger, S. Arridge

Proceedings Volume 8804, 880408 (2013) https://doi.org/10.1117/12.2032577

KEYWORDS: Head, Optical properties, Scattering, Absorption, Data modeling, Sensors, Skull, Signal detection, Data analysis

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SPIE Journal Paper | 18 June 2013 Open Access

Phantoms for diffuse optical imaging based on totally absorbing objects, part 1: basic concepts

Fabrizio Martelli, Antonio Pifferi, Davide Contini, Lorenzo Spinelli, Alessandro Torricelli, Heidrun Wabnitz, Rainer Macdonald, Angelo Sassaroli, Giovanni Zaccanti

JBO, Vol. 18, Issue 06, 066014, (June 2013) https://doi.org/10.1117/12.10.1117/1.JBO.18.6.066014

KEYWORDS: Absorption, Diffuse optical imaging, Monte Carlo methods, Sensors, Optical spheres, Scattering, Brain, Solids, Neuroimaging

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Proceedings Article | 14 June 2013 Paper

Comparison of four Monte Carlo methods for photon migration in biological tissues

F. Martelli, A. Sassaroli

Proceedings Volume 8799, 87990D (2013) https://doi.org/10.1117/12.2032510

KEYWORDS: Autoregressive models, Photodetectors, Reflectivity, Monte Carlo methods, Tissues, Optical properties, Scattering, Biomedical optics, Photon transport, Absorption

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Proceedings Article | 25 March 2013 Paper

Convergence features of four Monte Carlo methods in the time domain

Angelo Sassaroli, Fabrizio Martelli

Proceedings Volume 8578, 857818 (2013) https://doi.org/10.1117/12.2002811

KEYWORDS: Photons, Monte Carlo methods, Autoregressive models, Absorption, Tissue optics, Near infrared spectroscopy, Scattering, Optical properties, Diffusion

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Proceedings Article | 28 February 2013 Paper

Performance assessment of time-domain optical brain imagers: a multi-laboratory study

Heidrun Wabnitz, Alexander Jelzow, Mikhail Mazurenka, Oliver Steinkellner, Rainer Macdonald, Antonio Pifferi, Alessandro Torricelli, Davide Contini, Lucia Zucchelli, Lorenzo Spinelli, Rinaldo Cubeddu, Daniel Milej, Norbert Zolek, Michal Kacprzak, Piotr Sawosz, Adam Liebert, Salavat Magazov, Jeremy Hebden, Fabrizio Martelli, Paola Di Ninni, Giovanni Zaccanti

Proceedings Volume 8583, 85830L (2013) https://doi.org/10.1117/12.2002438

KEYWORDS: Absorption, Data analysis, Brain, Neuroimaging, Imaging systems, Spatial resolution, Liquids, Optical properties, Sensors, Brain imaging

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Proceedings Article | 28 February 2013 Paper

Realistic phantoms for diffuse optical imaging using totally absorbing objects

Antonio Pifferi, Fabrizio Martelli, Davide Contini, Lorenzo Spinelli, Alessandro Torricelli, Heidrun Wabnitz, Rainer Macdonald, Angelo Sassaroli, Giovanni Zaccanti

Proceedings Volume 8583, 85830C (2013) https://doi.org/10.1117/12.2003665

KEYWORDS: Absorption, Monte Carlo methods, Diffuse optical imaging, Scattering, Optical spheres, Optical properties, Sensors, Diffusion, Photon transport

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Proceedings Article | 17 February 2012 Paper

Possible diffusive reference standards for tissue phantoms based on fat emulsions

Paola Di Ninni, Yves Bérubé-Lauzière, Fabrizio Martelli

Proceedings Volume 8229, 82290T (2012) https://doi.org/10.1117/12.908621

KEYWORDS: Scattering, Optical properties, Absorption, Tissues, Tissue optics, Error analysis, Calibration, Optical testing, Laser scattering, Scatter measurement

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Proceedings Article | 1 March 2011 Paper

General perturbative approach to the diffusion equation in the presence of absorbing defects: frequency-domain and time-domain results

Angelo Sassaroli, Fabrizio Martelli, Sergio Fantini

Proceedings Volume 7896, 78961N (2011) https://doi.org/10.1117/12.876943

KEYWORDS: Absorption, Optical properties, Diffusion, Lithium, Monte Carlo methods, Scattering, Photons, Sensors, Fourier transforms, Tissues

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Proceedings Article | 1 March 2011 Paper

Comparison of independent forward solvers for photon migration through layered media

Fabrizio Martelli, Samuele Del Bianco, Giovanni Zaccanti, Andre Liemert, Alwin Kienle, Martin Schweiger, Simon Arridge, Surya Prerapa, Alexander Jelzow, Heidrun Wabnitz, Norbert Zolek, Adam Liebert

Proceedings Volume 7896, 78960X (2011) https://doi.org/10.1117/12.874823

KEYWORDS: Diffusion, Monte Carlo methods, Finite element methods, Photon transport, Reflectivity, Refractive index, Reflection, Interfaces, Fourier transforms, Scattering

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Proceedings Article | 1 March 2011 Paper

Inverse problem for biomedical applications: use of prior information on target and forward model parameters

Fabrizio Martelli, Samuele Del Bianco, Giovanni Zaccanti

Proceedings Volume 7896, 78961M (2011) https://doi.org/10.1117/12.874882

KEYWORDS: Error analysis, Monte Carlo methods, Tissues, Biomedical optics, Optical properties, Inverse problems, Near infrared spectroscopy, Picosecond phenomena, Diffusion, Scattering

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Proceedings Article | 11 February 2011 Paper

Toward a reference standard for tissue phantoms

Paola Di Ninni, Fabrizio Martelli, Giovanni Zaccanti

Proceedings Volume 7906, 79060M (2011) https://doi.org/10.1117/12.874658

KEYWORDS: Absorption, Scattering, Optical properties, Tissue optics, Mass attenuation coefficient, Calibration, Optical testing, Tissues, Transmittance, Collimation

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Proceedings Article | 29 April 2010 Paper

Functional diffuse reflectance spectroscopy at small source-detector distances based on fast-gated single-photon avalanche diodes

Davide Contini, Antonio Pifferi, Lorenzo Spinelli, Alessandro Torricelli, Rinaldo Cubeddu, Fabrizio Martelli, Giovanni Zaccanti, Alberto Dalla Mora, Alberto Tosi, Franco Zappa, Sergio Cova

Proceedings Volume 7681, 768102 (2010) https://doi.org/10.1117/12.852557

KEYWORDS: Diffuse reflectance spectroscopy, Picosecond phenomena, Avalanche photodiodes, Biomedical optics, Photodetectors, Brain, Spatial resolution, Reflectivity, Absorption, Sensors

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Proceedings Article | 10 July 2009 Paper

Nonlinear fitting procedure for accurate time-resolved measurements in diffusive media

Lorenzo Spinelli, Fabrizio Martelli, Alessandro Torricelli, Antonio Pifferi, Giovanni Zaccanti

Proceedings Volume 7369, 73691C (2009) https://doi.org/10.1117/12.831651

KEYWORDS: Absorption, Scattering, Monte Carlo methods, Optical properties, Data modeling, Nonlinear optics, Calibration, Picosecond phenomena, Computer simulations, Device simulation

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Proceedings Article | 10 July 2009 Paper

Hybrid heuristic time dependent solution of the radiative transfer equation for the slab

Fabrizio Martelli, Samuele Del Bianco, Antonio Pifferi, Lorenzo Spinelli, Alessandro Torricelli, Giovanni Zaccanti

Proceedings Volume 7369, 73691B (2009) https://doi.org/10.1117/12.831689

KEYWORDS: Radiative transfer, Monte Carlo methods, Photon transport, Diffusion, Transmittance, Reflectivity, Tissues, Scattering, Receivers, Analytical research

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Proceedings Article | 23 February 2009 Paper

Brain functional imaging at small source-detector distances based on fast-gated single-photon avalanche diodes

Lorenzo Spinelli, Davide Contini, Rinaldo Cubeddu, Antonio Pifferi, Alessandro Torricelli, Fabrizio Martelli, Giovanni Zaccanti, Alberto Tosi, Alberto Dalla Mora, Franco Zappa, Sergio Cova

Proceedings Volume 7161, 71613B (2009) https://doi.org/10.1117/12.808245

KEYWORDS: Picosecond phenomena, Photons, Numerical simulations, Brain, Avalanche photodiodes, Electronics, Optical properties, Tissue optics, Silicon, Monte Carlo methods

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Proceedings Article | 12 February 2009 Paper

Fourth order perturbation theory for the diffusion equation: continuous wave results for absorbing defects

Angelo Sassaroli, Fabrizio Martelli, Sergio Fantini

Proceedings Volume 7174, 717402 (2009) https://doi.org/10.1117/12.809070

KEYWORDS: Absorption, Lithium, Sensors, Optical properties, Scattering, Diffusion, Near infrared spectroscopy, Tissues, Fourier transforms

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Proceedings Article | 12 February 2009 Paper

Accuracy of the nonlinear fitting procedure for time-resolved measurements on diffusive phantoms at NIR wavelengths

Lorenzo Spinelli, Fabrizio Martelli, Andrea Farina, Antonio Pifferi, Alessandro Torricelli, Rinaldo Cubeddu, Giovanni Zaccanti

Proceedings Volume 7174, 717424 (2009) https://doi.org/10.1117/12.808997

KEYWORDS: Scattering, Absorption, Monte Carlo methods, Optical properties, Data modeling, Picosecond phenomena, Signal to noise ratio, Near infrared, Photon counting, Geometrical optics

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Proceedings Article | 20 July 2007 Paper

White-light time-resolved reflectance spectroscopy for monitoring constituents concentrations in layered diffusive media

A. Giusto, C. D'Andrea, L. Spinelli, D. Contini, A. Torricelli, F. Martelli, G. Zaccanti, R. Cubeddu

Proceedings Volume 6628, 66281G (2007) https://doi.org/10.1117/12.728102

KEYWORDS: Tissues, Absorption, In vivo imaging, Brain, Spectroscopy, Oximetry, Photonic crystal fibers, Time resolved spectroscopy, Reflectance spectroscopy, Reflectivity

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Proceedings Article | 17 July 2007 Paper

Time-resolved diffuse reflectance at small source-detector separation using a time-gated single-photon avalanche diode

Antonio Pifferi, Alessandro Torricelli, Lorenzo Spinelli, Davide Contini, Rinaldo Cubeddu, Fabrizio Martelli, Giovanni Zaccanti, Alberto Tosi, Alberto Dalla Mora, Franco Zappa, Sergio Cova

Proceedings Volume 6631, 66310B (2007) https://doi.org/10.1117/12.727947

KEYWORDS: Reflectivity, Avalanche photodiodes, Picosecond phenomena, Photodetectors, Diffuse reflectance spectroscopy, Tissue optics, Absorption, Pulsed laser operation, Solids, Spatial resolution

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Proceedings Article | 12 July 2007 Paper

CW and time domain procedures for accurate calibration of optical properties of liquid diffusive media at NIR wavelengths

F. Martelli, L. Spinelli, A. Farina, A. Pifferi, A. Torricelli, R. Cubeddu, G. Zaccanti

Proceedings Volume 6629, 66290H (2007) https://doi.org/10.1117/12.728178

KEYWORDS: Absorption, Scattering, Calibration, Optical properties, Error analysis, Liquids, Near infrared, Receivers, Light scattering

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Proceedings Article | 14 October 2005 Paper

Propagation in media with non-spherical and chiral particles: possibility of Monte Carlo procedures

P. Bruscaglioni, S. del Bianco, F. Martelli, G. Zaccanti

Proceedings Volume 5981, 59810O (2005) https://doi.org/10.1117/12.626112

KEYWORDS: Particles, Polarization, Scattering, Dielectric polarization, Monte Carlo methods, Mass attenuation coefficient, Dielectrics, Optical spheres, Multiple scattering, Receivers

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Proceedings Article | 14 October 2005 Paper

McCART: Monte Carlo code for atmospheric radiative transfer

Vanni Nardino, Samuele Del Bianco, Fabrizio Martelli, Donatella Guzzi, Paolo Marcoionni, Ivan Pippi, Piero Bruscaglioni, Giovanni Zaccanti

Proceedings Volume 5981, 598103 (2005) https://doi.org/10.1117/12.627593

KEYWORDS: Photons, Scattering, Reflectivity, Earth's atmosphere, Atmospheric propagation, Absorption, Monte Carlo methods, Sensors, Radiative transfer, Computer simulations

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Proceedings Article | 17 March 2005 Paper

On Monte Carlo for nonspherical and chiral particles

Piero Bruscaglioni, Samuele Del Bianco, Fabrizio Martelli, Giovanni Zaccanti, G. Bazzini, Marco Gai, Andrea Ismaelli

Proceedings Volume 5829, (2005) https://doi.org/10.1117/12.617449

KEYWORDS: Particles, Dielectric polarization, Scattering, Polarization, Monte Carlo methods, Dielectrics, Mass attenuation coefficient, Optical spheres, Multiple scattering, Receivers

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Proceedings Article | 29 September 2004 Paper

Status of VIRGO

Fausto Acernese, Paolo Amico, N. Arnaud, Saverio Avino, D. Babusci, Regis Barille, Fabrizio Barone, L. Barsotti, M. Barsuglia, F. Beauville, M. Bizouard, C. Boccara, Francois Bondu, L. Bosi, C. Bradaschia, S. Braccini, Alain Brillet, V. Brisson, L. Brocco, Damir Buskulic, G. Calamai, Enrico Calloni, E. Campagna, F. Cavalier, G. Cella, Eric Chassande-Mottin, Frederic Cleva, T. Cokelaer, J.-P. Coulon, Elena Cuoco, Vincenzino Dattilo, M. Davier, Rosario De Rosa, Luciano Di Fiore, A. Di Virgilio, B. Dujardin, Antonio Eleuteri, Daniel Enard, I. Ferrante, F. Fidecaro, I. Fiori, Raffaele Flaminio, J.-D. Fournier, S. Frasca, Franco Frasconi, Andreas Freise, Luca Gammaitoni, Alberto Gennai, Adalberto Giazotto, Gianfranco Giordano, Lara Giordano, G. Guidi, H. Heitmann, P. Hello, P. Heusse, L. Holloway, S. Kreckelbergh, Paolo La Penna, Vincent Loriette, Magali Loupias, G. Losurdo, Jean-Marie Mackowski, E. Majorana, Catherine Man, E. Marchetti, Frederique Marion, Fabrizio Martelli, Alain Masserot, Louis Massonnet, Massimo Mazzoni, Leopoldo Milano, J. Moreau, F. Moreau, Nazario Morgado, F. Mornet, Benoit Mours, J. Pacheco, A. Pai, C. Palomba, Federico Paoletti, Silvio Pardi, R. Passaquieti, D. Passuello, B. Perniola, Laurent Pinard, R. Poggiani, Michele Punturo, P. Puppo, Ketevan Qipiani, J. Ramonet, P. Rapagnani, V. Reita, Alban Remillieux, F. Ricci, Iolanda Ricciardi, Guido Russo, Salvatore Solimeno, Ruagero Stanga, E. Tournefier, F. Travasso, Herve Trinquet, Didier Verkindt, Flavio Vetrano, Oliver Veziant, A. Vicere, J.-Y. Vinet, H. Vocca, Michel Yvert

Proceedings Volume 5500, (2004) https://doi.org/10.1117/12.578278

KEYWORDS: Sensors, Mirrors, Interferometers, Automatic alignment, Signal detection, Beam splitters, Control systems, Michelson interferometers, Laser stabilization, Diodes

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Proceedings Article | 25 February 2004 Paper

Low-loss coatings for the VIRGO large mirrors

F. Beauville, D. Buskulic, R. Flaminio, F. Marion, A. Masserot, L. Massonnet, B. Mours, F. Moreau, J. Ramonet, E. Tournefier, D. Verkindt, O. Veziant, M. Yvert, Regis Barille, Vincenzino Dattilo, Daniel Enard, Franco Frasconi, Alberto Gennai, Paolo La Penna, Magali Loupias, Federico Paoletti, L. Bracci, Giovanni Calamai, E. Campagna, G. Conforto, E. Cuoco, I. Fiori, G. Guidi, G. Losurdo, Fabrizio Martelli, Massimo Mazzoni, B. Perniola, Ruagero Stanga, Flavio Vetrano, A. Vicere, D. Babusci, Gianfranco Giordano, Jean-Marie Mackowski, Nazario Morgado, Laurent Pinard, Alban Remillieux, Fausto Acernese, Fabrizio Barone, Enrico Calloni, Rosario De Rosa, Luciano Di Fiore, Antonio Eleuteri, Leopoldo Milano, Ketevan Qipiani, Iolanda Ricciardi, G. Russo, Salvatore Solimeno, M. Varvella, Francois Bondu, Alain Brillet, Eric Chassande-Mottin, Frederic Cleva, T. Cokelaer, J.-P. Coulon, B. Dujardin, J.-D. Fournier, H. Heitmann, Catherine Man, F. Mornet, J. Pacheco, A. Pai, Herve Trinquet, J.-Y. Vinet, N. Arnaud, M. Barsuglia, M. Bizouard, V. Brisson, F. Cavalier, M. Davier, P. Hello, P. Heusse, S. Kreckelberg, A. Claude Boccara, Vincent Loriette, J. Moreau, V. Reita, P. Amico, L. Bosi, Luca Gammaitoni, M. Punturo, F. Travasso, H. Vocca, L. Barsotti, S. Braccini, C. Bradaschia, G. Cella, C. Corda, A. Di Virgilio, I. Ferrante, F. Fidecaro, Adalberto Giazotto, E. Majorana, L. Holloway, R. Passaquieti, D. Passuello, R. Poggiani, A. Toncelli, M. Tonelli, L. Brocco, S. Frasca, C. Palomba, P. Puppo, P. Rapagnani, F. Ricci

Proceedings Volume 5250, (2004) https://doi.org/10.1117/12.516431

KEYWORDS: Mirrors, Absorption, Scattering, Wavefronts, Optical coatings, Interferometers, Copper, Laser scattering, Sputter deposition, Scatter measurement

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Proceedings Article | 19 November 2003 Paper

Photon migration through layered diffusive media

Fabrizio Martelli, Samuele del Bianco, Giovanni Zaccanti

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.525452

KEYWORDS: Diffusion, Optical properties, Photon transport, Scattering, Monte Carlo methods, Tissue optics, Reflectivity, Absorption, Transmittance, Diffuse reflectance spectroscopy

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Proceedings Article | 15 October 2003 Paper

Retrieval of the optical properties of a two-layered diffusive medium from measurements of time-resolved reflectance

Fabrizio Martelli, Samuele Del Bianco, Giovanni Zaccanti

Proceedings Volume 5138, (2003) https://doi.org/10.1117/12.501057

KEYWORDS: Optical properties, Reflectivity, Absorption, Scattering, Error analysis, Diffusion, Monte Carlo methods, Distance measurement, Tissue optics, Diffuse reflectance spectroscopy

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Proceedings Article | 29 July 2003 Paper

Method to measure the optical properties of small volumes of biological tissues

Fabrizio Martelli, Samuele del Bianco, Giovanni Zaccanti

Proceedings Volume 4955, (2003) https://doi.org/10.1117/12.478218

KEYWORDS: Optical properties, Tissues, Scattering, Absorption, Transmittance, Optical testing, Diffusion, Light scattering, Monte Carlo methods

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Proceedings Article | 29 July 2003 Paper

Retrieval of the optical properties of a layered medium based on an exact analytical solution of the time-dependent diffusion equation

Fabrizio Martelli, Samuele del Bianco, Angelo Sassaroli, Giovanni Zaccanti

Proceedings Volume 4955, (2003) https://doi.org/10.1117/12.478216

KEYWORDS: Optical properties, Diffusion, Reflectivity, Absorption, Monte Carlo methods, Scattering, Distance measurement, Time metrology, Tissue optics, Diffuse reflectance spectroscopy

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SPIE Journal Paper | 1 January 2003 Open Access

Assessment of in situ temporal calibration method for time-resolved optical tomography

Jeremy Hebden, Felipe Gonzalez, Adam Gibson, Elizabeth Hillman, Rozarina Md Yusof, Nick Everdell, David Delpy, Giovanni Zaccanti, Fabrizio Martelli

JBO, Vol. 8, Issue 01, (January 2003) https://doi.org/10.1117/12.10.1117/1.1528206

KEYWORDS: Calibration, Sensors, Connectors, Picosecond phenomena, Optical properties, Tissue optics, Data modeling, Photons, Monte Carlo methods, Natural surfaces

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Proceedings Article | 29 June 2001 Paper

Method to measure the diffusion coefficient of a layered medium

Fabrizio Martelli, Angelo Sassaroli, Yukio Yamada, Giovanni Zaccanti

Proceedings Volume 4250, (2001) https://doi.org/10.1117/12.434475

KEYWORDS: Diffusion, Optical properties, Reflectivity, Tissue optics, Scattering, Absorption, Tissues, Interfaces, Data modeling, Reliability

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Proceedings Article | 15 July 1999 Paper

Ultrashort pulse light propagation in cylindrical optical phantoms

Angelo Sassaroli, Fabrizio Martelli, Yukio Yamada, Yoshio Tzunazawa

Proceedings Volume 3597, (1999) https://doi.org/10.1117/12.356805

KEYWORDS: Finite element methods, Optical properties, Scattering, Light scattering, Picosecond phenomena, Photons, 3D modeling, Monte Carlo methods, Scattering media, Optical phantoms

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Proceedings Article | 15 July 1999 Paper

Characteristics of the light transmitted through diffusing media: angular distribution and photon flux at the external boundary

Fabrizio Martelli, Angelo Sassaroli, Giovanni Zaccanti, Yukio Yamada

Proceedings Volume 3597, (1999) https://doi.org/10.1117/12.356807

KEYWORDS: Reflectivity, Receivers, Optical properties, Diffusion, Monte Carlo methods, Scattering, Transmittance, Refractive index, Absorption, Information operations

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Proceedings Article | 15 July 1999 Paper

Analytical solution of the time-dependent photon diffusion equation for a layered medium

Fabrizio Martelli, Angelo Sassaroli, Yukio Yamada

Proceedings Volume 3597, (1999) https://doi.org/10.1117/12.356798

KEYWORDS: Diffusion, Scattering, Refractive index, Optical properties, Reflectivity, Picosecond phenomena, Monte Carlo methods, Absorption, Tissue optics, Diffuse reflectance spectroscopy

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Proceedings Article | 18 August 1997 Paper

Imaging of absorbing inhomogeneities within highly diffusing media

Giovanni Zaccanti, Angelo Sassaroli, Daniele Contini, Fabrizio Martelli, Michele Bassani, Costantino Blumetti, Andrea Ismaelli

Proceedings Volume 2979, (1997) https://doi.org/10.1117/12.280218

KEYWORDS: Optical spheres, Absorption, Monte Carlo methods, Signal attenuation, Image quality, Scattering, Time metrology, Photons, Tissue optics

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SPIE Journal Paper | 2 January 1996 Open Access

Optical properties of brain tissue

Adriana Taddeucci, Fabrizio Martelli, Marco Barilli, Marco Ferrari, Giovanni Zaccanti

JBO, Vol. 1, Issue 01, (January 1996) https://doi.org/10.1117/12.10.1117/12.227816

KEYWORDS: Scattering, Brain, Mass attenuation coefficient, Tissue optics, Light scattering, Tissues, Multiple scattering, Optical spheres, Optical properties, Scatter measurement

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Proceedings Article | 30 May 1995 Paper

Optical properties of biological tissues

Giovanni Zaccanti, Adriana Taddeucci, Marco Barilli, Piero Bruscaglioni, Fabrizio Martelli

Proceedings Volume 2389, (1995) https://doi.org/10.1117/12.210000

KEYWORDS: Scattering, Tissues, Mass attenuation coefficient, Light scattering, Absorption, Brain, Optical properties, Scatter measurement, Laser scattering, Tellurium

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