Dr. Rekha Gautam Profile

Dr. Rekha Gautam

Postdoc at Tyndall National Institute

SPIE Involvement:

Conference Program Committee | Author

Area of Expertise:

Raman Spectroscopy , Confocal Raman Microspectroscopy , UV-Vis absorption spectroscopy , FTIR Microspectroscopy , SERS using Lab-on-a-chip , Biophotonics

Websites:

Company Website | Personal Website

Proceedings Article | 17 October 2023 Paper

A virtual comparison of different time-of-flight-based diffuse optical spectroscopic techniques

Pranav Lanka, Marcelo Saito Nogueira, Vanessa R. Rodrigues, Shree Krishnamoorthy, Katarzyna Komolibus, Rekha Gautam, Stefan Andersson-Engels, Sanathana Konugolu Venkata Sekar

Proceedings Volume 12628, 126282L (2023) https://doi.org/10.1117/12.2671008

KEYWORDS: Spectroscopy, Optical spectroscopy, Tissues, Optical properties, Matrices, Interferometry, Background noise

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Proceedings Article | 11 August 2023 Paper

Biophotonics diagnostics of oral cancer using Raman spectroscopy

Siddra Maryam, M. Daniyal Ghauri, Edward Fahy, Sanathana Konugolu Venkata Sekar, Marcelo Saito Nogueira, Huihui Lu, Alida Russo, Ray Burke, Linda Feelay, Patrick Sheahan, Richeal Ni Riordain, Stefan Andersson-Engels, Kiang Wei Kho, Rekha Gautam

Proceedings Volume 12627, 126270B (2023) https://doi.org/10.1117/12.2670600

KEYWORDS: Raman spectroscopy, Cancer, Tissues, Diagnostics, Biopsy, Surface enhanced Raman spectroscopy, In vivo imaging, Statistical analysis, Spectroscopy, Proteins

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Proceedings Article | 17 March 2023 Presentation + Paper

Beam shaping with multimode fibre based on real-valued intensity transmission matrix for endoscopic applications

Hui Ma, Sanathana Konugolu Venkata Sekar, Rekha Gautam, Stefan Andersson-Engels

Proceedings Volume 12388, 123880D (2023) https://doi.org/10.1117/12.2650302

KEYWORDS: Signal intensity, Multimode fibers, Spatial light modulators, Beam shaping, Biomedical applications

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Proceedings Article | 8 March 2023 Presentation + Paper

Non-invasive continuous hypoxia assessment in intra-partum fetus through long wavelength near infrared spectroscopy

Shree Krishnamoorthy, Urbashi Basu, Kiangwei Kho, Rekha Gautam, Francesca Di Croce, Walter Messina, Cleitus Antony, Paul Townsend, Fergus McCarthy, Stefan Andersson-Engels, Ray Burke

Proceedings Volume 12428, 124280M (2023) https://doi.org/10.1117/12.2648375

KEYWORDS: Short wave infrared radiation, Hypoxia, Fetus, Near infrared spectroscopy, Spectroscopy, Monte Carlo methods, Reflectivity, Sensors, Reflectance spectroscopy, Photon transport, Near infrared

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Proceedings Article | 6 March 2023 Poster + Paper

Multimodal optical spectroscopic approach to design a complete protocol for early diagnosis of oral cancer

Siddra Maryam, M. Daniyal Ghauri, Edward Fahy, Sanathana Konugolu Venkata Sekar, Huihui Lu, Alida Russo, Marcelo Saito Nogueira, Ray Burke, Linda Feeley, Patrick Sheahen, Richeal Ni Riordain, Stefan Andersson-Engels, Kiang Wei Kho, Rekha Gautam

Proceedings Volume 12368, 123680O (2023) https://doi.org/10.1117/12.2650536

KEYWORDS: Cancer, Surface enhanced Raman spectroscopy, Raman spectroscopy, Tissues, Spectroscopy, Cancer detection, Optical spectroscopy, Diffuse reflectance spectroscopy

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Proceedings Article | 6 March 2023 Presentation + Paper

Dual wavelengths inverse spatially offset Raman spectroscopy for bone characterization

Hui Ma, Rekha Gautam, Sanathana Konugolu Venkata Sekar, Carrie O'Flynn, Patrick Henn, Stefan Andersson-Engels

Proceedings Volume 12368, 123680A (2023) https://doi.org/10.1117/12.2650089

KEYWORDS: Raman spectroscopy, Bone, Tissues, Osteoporosis, Minerals, Light sources and illumination, Phosphates, Axicons

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Proceedings Article | 2 March 2022 Presentation + Paper

Multi-configuration Raman spectrometer for early stage diagnosis of oral cancer

Siddra Maryam, Marcelo Saito Nogueira, Shree Krishna Moorthy, Sanathana Sekar, Huihui Lu, Rekha Gautam, Ray Burke, Stefan Andersson-Engels, Richeal Ni Riordain, Patrick Sheahan

Proceedings Volume 11957, 1195706 (2022) https://doi.org/10.1117/12.2610704

KEYWORDS: Raman spectroscopy, Cancer, Nanoparticles, In vivo imaging, Tumors, Molecules, Tissues, Surface enhanced Raman spectroscopy, Diagnostics, Reflection

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Proceedings Article | 7 December 2021 Paper

Combined fingerprint and high wavenumber spatially offset Raman spectroscopy for depth-resolved hydration and biochemical assessment

Laura Masson, Rekha Gautam, Andrea Locke, Giju Thomas, Anita Mahadevan-Jansen

Proceedings Volume 11919, 119191P (2021) https://doi.org/10.1117/12.2614933

KEYWORDS: Raman spectroscopy, Scattering, Remote sensing, Raman scattering, Optical phantoms, Monte Carlo methods, Tissue optics, Sensors, Semiconductor lasers, Molecules

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Proceedings Article | 5 March 2021 Presentation

Self-trapping and Guiding of Light through Suspensions of Red Blood Cells

Anna Bezryadina, Nicolas Perez, Rekha Gautam, Roberto Morandotti, Zhigang Chen

Proceedings Volume 11647, 1164710 (2021) https://doi.org/10.1117/12.2579037

KEYWORDS: Waveguides, Blood, Absorption, Nonlinear optics, Light wave propagation, Laser beam diagnostics, Wave propagation, Scattering media, Scattering, Optofluidics

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Proceedings Article | 15 June 2020 Paper

Light-induced biological waveguides

Anna Bezryadina, Rekha Gautam, Nicolas Perez, Tobias Hansson, Yinxiao Xiang, Josh Lamstein, Benjamin Wetzel, Roberto Morandotti, Zhigang Chen

Proceedings Volume 11522, 115221F (2020) https://doi.org/10.1117/12.2573761

KEYWORDS: Waveguides, Laser beam diagnostics, Biomedical optics, Physics, Light scattering, Blood, Nonlinear optics, Astronomy, Diagnostics, Bacteria

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Proceedings Article | 10 March 2020 Presentation

Probing the mechanisms of infrared neural stimulation with stimulated Raman scattering microscopy (Conference Presentation)

Wilson Adams, Rekha Gautam, Graham Throckmorton, Laura Masson, Jeremy Ford, John Logan Jenkins, E. Duco Jansen, Anita Mahadevan-Jansen

Proceedings Volume 11252, 1125204 (2020) https://doi.org/10.1117/12.2545228

KEYWORDS: Infrared radiation, Raman scattering, Infrared imaging, Microscopy, Raman spectroscopy, Imaging spectroscopy, Spectroscopy, Electrodynamics, Infrared signatures, Physiology

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Proceedings Article | 9 March 2020 Presentation

Comparing cervical maturation in preterm and term birth mouse models with Raman spectroscopy (Conference Presentation)

Rekha Gautam, Jennifer Herington, Naoko Brown, Wilson Adam, Jackson Rogers, Jen Bateman, Christine O'Brien, Jeff Reese, Anita Mahadevan-Jansen

Proceedings Volume 11236, 112360W (2020) https://doi.org/10.1117/12.2551333

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Proceedings Article | 9 September 2019 Presentation

Red blood cells form waveguides of light at tunable wavelengths (Conference Presentation)

Nicolas Perez, Jake Chambers, Rekha Gautam, Yinxiao Xiang, Josh Lamstein, Yi Liang, Zhigang Chen, Anna Bezryadina

Proceedings Volume 11083, 110832F (2019) https://doi.org/10.1117/12.2528553

KEYWORDS: Waveguides, Blood, Absorption, Nonlinear optics, Light wave propagation, Optofluidics, Biomedical optics, Laser beam propagation, Light scattering, Laser scattering

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Proceedings Article | 8 May 2012 Paper

Infrared spectroscopic studies to understand the effect of drugs at molecular level

Bhawana Singh, Rekha Gautam, Bhagawat Chandrasekar, Srabanti Rakshit, Vinay Kumar B. N., Sivaraman Boopathy, Dipankar Nandi, Kumaravel Somasundaram, Siva Umapathy

Proceedings Volume 8427, 84271T (2012) https://doi.org/10.1117/12.922402

KEYWORDS: FT-IR spectroscopy, Liver, Cancer, Tissues, Infrared spectroscopy, Spectroscopy, Imaging spectroscopy, Infrared radiation, Molecular spectroscopy, Injuries

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Showing 5 of 14 publications

Conference Committee Involvement (2)

Data Science for Photonics and Biophotonics

10 April 2024 | Strasbourg, France

ICORS 2012 - 23rd International Conference on Raman Spectroscopy

12 August 2012 |

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