Prof. Vasan Venugopalan Profile

Prof. Vasan Venugopalan

Professor at Univ of California Irvine

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Author

Publications (22)

SPIE Journal Paper | 19 November 2018

Recovery of layered tissue optical properties from spatial frequency-domain spectroscopy and a deterministic radiative transport solver

Sean Horan, Adam Gardner, Rolf Saager, Anthony Durkin, Vasan Venugopalan

JBO Vol. 24 Issue 07

KEYWORDS: Scattering, Absorption, Optical properties, Tissue optics, Spatial frequencies, Reflectivity, Spectroscopy, Tissues, Monte Carlo methods, Data modeling

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SPIE Journal Paper | 14 September 2018

Optical sampling depth in the spatial frequency domain

Carole Hayakawa, Kavon Karrobi, Vivian Pera, Darren Roblyer, Vasan Venugopalan

JBO Vol. 24 Issue 07

KEYWORDS: Tissue optics, Tissues, Spatial frequencies, Optical properties, Reflectivity, Skin, Monte Carlo methods, Photodetectors, Natural surfaces, Photon transport

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SPIE Journal Paper | 12 October 2015

Differential pathlength factor informs evoked stimulus response in a mouse model of Alzheimer’s disease

Alexander Lin, Adrien Ponticorvo, Anthony Durkin, Vasan Venugopalan, Bernard Choi, Bruce Tromberg

NPh Vol. 2 Issue 04

KEYWORDS: Brain, Optical properties, Oxygen, Mouse models, Scattering, Absorption, Hemodynamics, Neuroimaging, Near infrared, Reflectivity

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SPIE Journal Paper | 27 June 2014

Coupled forward-adjoint Monte Carlo simulation of spatial-angular light fields to determine optical sensitivity in turbid media

Adam Gardner, Carole Hayakawa, Vasan Venugopalan

JBO Vol. 19 Issue 06

KEYWORDS: Absorption, Tissue optics, Monte Carlo methods, Sensors, Tissues, Scattering, Scattering media, Computer simulations, Light, Photon transport

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Proceedings Article | 10 March 2008

Making CARS better

Max Zimmerley, Hyun Min Kim, Desiré Whitmore, Vishnu Vardhan Krishnamachari, Carole Hayakawa, Bernard Choi, Vasan Venugopalan, Eric Potma

Proc. SPIE. 6853, Biomedical Optical Spectroscopy

KEYWORDS: Tissues, Scattering, Skin, Microscopy, Photons, Molecules, Raman spectroscopy, Raman scattering, Tissue optics, Signal detection

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SPIE Journal Paper | 1 November 2007

Optoacoustic imaging based on the interferometric measurement of surface displacement

Stefan Carp, Vasan Venugopalan

JBO Vol. 12 Issue 06

KEYWORDS: Acoustics, Interferometry, Natural surfaces, Image resolution, Image restoration, Tissues, Interferometers, Laser beam diagnostics, Content addressable memory, Reconstruction algorithms

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SPIE Journal Paper | 1 January 2007

Perturbation and differential Monte Carlo methods for measurement of optical properties in a layered epithelial tissue model

InSeok Seo, Joon You, Carole Hayakawa, Vasan Venugopalan

JBO Vol. 12 Issue 01

KEYWORDS: Optical properties, Scattering, Tissue optics, Sensors, Absorption, Monte Carlo methods, Tissues, Reflectivity, Detection and tracking algorithms, Diffuse reflectance spectroscopy

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Proceedings Article | 25 April 2005

3D interferometric optoacoustic imaging

Stefan Carp, Vasan Venugopalan

Proc. SPIE. 5697, Photons Plus Ultrasound: Imaging and Sensing 2005: The Sixth Conference on Biomedical Thermoacoustics, Optoacoustics, and Acousto-optics

KEYWORDS: Mirrors, Tissues, Blood vessels, Photography, Image restoration, Interferometry, Imaging spectroscopy, Natural surfaces, Content addressable memory, 3D image processing

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Proceedings Article | 14 April 2005

Cartilage ablation studies using mid-IR free electron laser

Jong-In Youn, George Peavy, Vasan Venugopalan

Proc. SPIE. 5698, Thermal Treatment of Tissue: Energy Delivery and Assessment III

KEYWORDS: Mid-IR, Proteins, Injuries, Cartilage, Tissues, Chromophores, Laser ablation, Free electron lasers, Laser tissue interaction, Absorption

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Proceedings Article | 12 July 2004

POISe: pulsed optoacoustic interferometric spectroscopy and imaging

Stefan Carp, Arnold Guerra, Samuel Duque, Vasan Venugopalan

Proc. SPIE. 5320, Photons Plus Ultrasound: Imaging and Sensing

KEYWORDS: Tissues, Interferometers, Spectroscopy, Image restoration, Interferometry, Imaging spectroscopy, Tissue optics, Bragg cells, Natural surfaces, Absorption

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Proceedings Article | 1 July 2004

Examination of laser-induced cell lysis by time resolved imaging

Kaustubh Rau, Arnold Guerra, Alfred Vogel, Vasan Venugopalan

Proc. SPIE. 5322, Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues II

KEYWORDS: Imaging systems, Image processing, Laser induced damage, Luminescence, Microsurgery, Wave propagation, Laser damage threshold, Cavitation, Pulsed laser operation, Plasma

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SPIE Journal Paper | 1 May 2004

Radiative transport in the delta-P1 approximation: accuracy of fluence rate and optical penetration depth predictions in turbid semi-infinite media

Stefan Carp, Scott Prahl, Vasan Venugopalan

JBO Vol. 9 Issue 03

KEYWORDS: Gaussian beams, Monte Carlo methods, Scattering, Collimation, Refractive index, Optical properties, Light scattering, Solids, Absorption, Biomedical optics

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Proceedings Article | 27 August 2003

Kinetics of phase transitions in pulsed IR laser ablation of biological tissues

Alfred Vogel, Vasan Venugopalan

Proc. SPIE. 4961, Laser-Tissue Interaction XIV

KEYWORDS: Tissues, Collagen, Infrared lasers, Laser ablation, Wave propagation, Explosives, Pulsed laser operation, Natural surfaces, Thermodynamics, Liquids

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SPIE Journal Paper | 1 April 2003

Optoacoustic determination of optical attenuation depth using interferometric detection

Barry Payne, Vasan Venugopalan, Bora Mikic, Norman Nishioka

JBO Vol. 8 Issue 02

KEYWORDS: Signal attenuation, Glasses, Pulsed laser operation, Interferometers, Absorption, Potassium, Interferometry, Optical properties, Tissue optics, Laser tissue interaction

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SPIE Journal Paper | 1 April 2003

Optoacoustic tomography using time-resolved interferometric detection of surface displacement

Barry Payne, Vasan Venugopalan, Bora Mikic, Norman Nishioka

JBO Vol. 8 Issue 02

KEYWORDS: Tissues, Natural surfaces, Tomography, Interferometry, Blood vessels, Scattering, Tissue optics, Pulsed laser operation, Laser beam diagnostics, Absorption

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Proceedings Article | 10 May 2001

Experimental investigation of optical breakdown using nanosecond 532-nm and 1064-nm laser pulses delivered at high numerical aperture

Arnold Guerra, Vasan Venugopalan, Kester Nahen, Alfred Vogel

Proc. SPIE. 4260, Optical Diagnostics of Living Cells IV

KEYWORDS: Microscopes, Energy efficiency, Laser energy, Nd:YAG lasers, Wave propagation, Laser damage threshold, Cavitation, Pulsed laser operation, Mechanical efficiency, Plasma

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Proceedings Article | 15 July 1999

Superficial tissue optical property determination using spatially resolved measurements close to the source: comparison with frequency-domain photon migration measurements

Frederic Bevilacqua, Dominique Piguet, Pierre Marquet, Jeffrey Gross, Dorota Jakubowski, Vasan Venugopalan, Bruce Tromberg, Christian Depeursinge

Proc. SPIE. 3597, Optical Tomography and Spectroscopy of Tissue III

KEYWORDS: Optical fibers, Optical properties, Tissues, Scattering, Reflectivity, Monte Carlo methods, In vivo imaging, Tissue optics, Inverse optics, Absorption

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Proceedings Article | 14 September 1998

Physical mechanisms of pulsed infrared laser ablation of biological tissues

Andrew Yablon, Norman Nishioka, B. Mikic, Vasan Venugopalan

Proc. SPIE. 3343, High-Power Laser Ablation

KEYWORDS: Data modeling, Tissues, Molecules, Laser irradiation, Laser ablation, Explosives, Pulsed laser operation, Natural surfaces, Liquids, Absorption

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Proceedings Article | 29 April 1998

Cell permeabilization and molecular transport by laser microirradiation

Tatiana Krasieva, Curtis Chapman, Vickie LaMorte, Vasan Venugopalan, Michael Berns, Bruce Tromberg

Proc. SPIE. 3260, Optical Investigations of Cells In Vitro and In Vivo

KEYWORDS: Confocal microscopy, Microscopes, Surface plasmons, Polymers, Luminescence, Molecules, Molecular lasers, Pulsed laser operation, Plasma, Absorption

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Proceedings Article | 22 May 1995

Pulsed laser ablation of tissue: surface vaporization or thermal explosion?

Vasan Venugopalan

Proc. SPIE. 2391, Laser-Tissue Interaction VI

KEYWORDS: Tissues, Ultraviolet radiation, Chromophores, Laser ablation, Explosives, Thulium, Tissue optics, Natural surfaces, Laser tissue interaction, Absorption

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Proceedings Article | 7 July 1993

Physical mechanisms controlling the generation of laser-induced stresses

Vasan Venugopalan, A. Zweig, Thomas Deutsch, Norman Nishioka, B. Mikic

Proc. SPIE. 1882, Laser-Tissue Interaction IV

KEYWORDS: Laser energy, Particles, Laser ablation, Solids, Process control, Acoustics, Pulsed laser operation, Laser tissue interaction, Plasma, Absorption

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Proceedings Article | 7 July 1993

Modeling of thermal injury produced by laser ablation of biological tissue

Vasan Venugopalan, Norman Nishioka, B. Mikic

Proc. SPIE. 1882, Laser-Tissue Interaction IV

KEYWORDS: Injuries, Data modeling, Tissues, Diffusion, Laser scattering, Carbon dioxide lasers, Laser ablation, Pulsed laser operation, Thermal modeling, Laser tissue interaction

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Showing 5 of 22 publications

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