Dr. Scott A. Prahl Profile

Dr. Scott A. Prahl

Program Director of Optoelectronics at Oregon Institute of Technology

SPIE Involvement:

Author

Websites:

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Publications (62)

Proceedings Article | 3 November 2011 Paper

Validation of a new algorithm for the recovery of optical properties from turbid samples: GA-MCML against IAD program

B. Morales Cruzado, S. Prahl, J. Delgado Atencio, S. Vázquez y Montiel

Proceedings Volume 8011, 80118O (2011) https://doi.org/10.1117/12.902151

KEYWORDS: Integrating spheres, Optical spheres, Monte Carlo methods, Optical properties, Photon transport, Genetic algorithms, Sensors, Transmittance, Light, Tissue optics

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SPIE Journal Paper | 1 April 2011 Open Access

Spectroscopic sensitive polarimeter for biomedical applications

Jessica Ramella-Roman, Amritha Nayak, Scott Prahl

JBO, Vol. 16, Issue 04, 047001, (April 2011) https://doi.org/10.1117/12.10.1117/1.3561907

KEYWORDS: Polarimetry, Calibration, Polarizers, Spectroscopy, Polarization, Biomedical optics, Scattering, Rayleigh scattering, Liquid crystals, Wave plates

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SPIE Journal Paper | 1 November 2010 Open Access

Light-guided lumpectomy: device and case report

Amanda Dayton, Laurel Soot, Ronald Wolf, Christina Gougoutas-Fox, Scott Prahl

JBO, Vol. 15, Issue 06, 061706, (November 2010) https://doi.org/10.1117/12.10.1117/1.3499422

KEYWORDS: Surgery, Tissue optics, Breast, Optical fibers, Radio optics, Visibility, Skin, Tissues, Helium neon lasers, Connectors

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Proceedings Article | 26 February 2010 Paper

Stochastic Huygens and partial coherence propagation through thin tissues

Scott Prahl, Donald Duncan, David Fischer

Proceedings Volume 7573, 75730D (2010) https://doi.org/10.1117/12.842788

KEYWORDS: Sensors, Scattering, Tissues, Stochastic processes, Monte Carlo methods, Wavelets, Wavefronts, Light scattering, Light wave propagation, Wave propagation

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Proceedings Article | 26 February 2010 Paper

Measuring distance through turbid media: a simple frequency domain approach

A. Dayton, N. Choudhury, S. Prahl

Proceedings Volume 7573, 757304 (2010) https://doi.org/10.1117/12.842682

KEYWORDS: Distance measurement, Sensors, Light scattering, Modulation, Scattering, Medicine, Optical testing, Polyurethane, Signal detection, Phase measurement

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Proceedings Article | 25 February 2010 Paper

Polyurethane phantoms with homogeneous and nearly homogeneous optical properties

Ville Keränen, Anssi Mäkynen, Amanda Dayton, Scott Prahl

Proceedings Volume 7567, 75670D (2010) https://doi.org/10.1117/12.843609

KEYWORDS: Polyurethane, Optical properties, Scattering, Absorption, Transmittance, Particles, Calibration, Integrating spheres, Microscopes, Titanium dioxide

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Proceedings Article | 24 February 2010 Paper

Differential interference contrast microscopy for the quantitative assessment of tissue organization

Donald Duncan, David Fischer, Mehran Daneshbod, Amanda Dayton, Scott Prahl

Proceedings Volume 7570, 75700C (2010) https://doi.org/10.1117/12.842802

KEYWORDS: Tissues, Digital image correlation, Microscopes, Calibration, Microscopy, Atmospheric propagation, Monte Carlo methods, Absorption, Prisms, Tissue optics

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Proceedings Article | 23 February 2010 Paper

Tissue structural organization: measurement, interpretation, and modeling

Donald Duncan, David Fischer, Mehran Daneshbod, Scott Prahl

Proceedings Volume 7563, 756304 (2010) https://doi.org/10.1117/12.848962

KEYWORDS: Atmospheric propagation, Tissues, Scattering, Monte Carlo methods, Statistical analysis, Tissue optics, Microscopy, Digital image correlation, Atmospheric optics, Correlation function

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Proceedings Article | 23 February 2010 Paper

Light guided lumpectomy: is continuous wave or frequency domain more accurate

A. Dayton, N. Choudhury, S. Prahl

Proceedings Volume 7555, 755511 (2010) https://doi.org/10.1117/12.842667

KEYWORDS: Distance measurement, Sensors, Light sources, Signal detection, Waveguides, Surgery, Absorption, Scattering, Optical properties, Continuous wave operation

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Proceedings Article | 24 February 2009 Paper

Monte Carlo propagation of spatial coherence

Scott Prahl, Donald Duncan, David Fischer

Proceedings Volume 7187, 71870G (2009) https://doi.org/10.1117/12.809603

KEYWORDS: Monte Carlo methods, Sensors, Spatial coherence, Chemical elements, Polarization, Light wave propagation, Wavelets, Tissue optics, Biomedical optics, Optical components

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Proceedings Article | 21 February 2009 Paper

Optical wire guided lumpectomy: frequency domain measurements

A. Dayton, V. Keränen, S. Prahl

Proceedings Volume 7173, 71730M (2009) https://doi.org/10.1117/12.808242

KEYWORDS: Optical properties, Phase measurement, Tissues, Tissue optics, Tumors, Sensors, Modulation, Breast, Surgery, Distance measurement

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Proceedings Article | 21 February 2008 Paper

Turbid-polyurethane phantom for microscopy

A. Dayton, S. Prahl

Proceedings Volume 6870, 687006 (2008) https://doi.org/10.1117/12.764010

KEYWORDS: Polyurethane, Reflectivity, Confocal microscopy, Signal attenuation, Absorption, Image analysis, Optical properties, Scattering, Diffuse reflectance spectroscopy, Titanium dioxide

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SPIE Journal Paper | 1 July 2006 Open Access

Preparation and characterization of polyurethane optical phantoms

Theodore Moffitt, Yin-Chu Chen, Scott Prahl

JBO, Vol. 11, Issue 04, 041103, (July 2006) https://doi.org/10.1117/12.10.1117/1.2240972

KEYWORDS: Polyurethane, Absorption, Scattering, Optical properties, Tissues, Particles, Light scattering, Optical phantoms, Spectroscopy, Titanium dioxide

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Proceedings Article | 22 June 2005 Paper

Implementation of a real-time differential path-length spectrometer system

T. Moffitt, S. Prahl

Proceedings Volume 5771, (2005) https://doi.org/10.1117/12.634629

KEYWORDS: Spectroscopy, Optical fibers, Reflectivity, Lamps, Sensors, Tungsten, Absorption, Signal processing, Tissue optics, Ocean optics

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Proceedings Article | 22 June 2005 Paper

Quantum yield of conversion of the dental photoinitiator camphorquinone

Yin-Chu Chen, Jack Ferracane, Scott Prahl

Proceedings Volume 5771, (2005) https://doi.org/10.1117/12.634627

KEYWORDS: Absorption, Quantum efficiency, Lamps, Spectrophotometry, Mass attenuation coefficient, Absorbance, Polymerization, Composites, Molecules, Glasses

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SPIE Journal Paper | 1 May 2005 Open Access

In vivo determination of optical properties of normal and tumor tissue with white light reflectance and an empirical light transport model during endoscopy

Paulo Bargo, Scott Prahl, Teresa Goodell, R. Sleven, G. Koval, G. Blair, Steven Jacques

JBO, Vol. 10, Issue 03, 034018, (May 2005) https://doi.org/10.1117/12.10.1117/1.1921907

KEYWORDS: Optical fibers, Absorption, Tissues, Scattering, Optical properties, Tumors, Reflectivity, Photodynamic therapy, Blood, Tissue optics

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Proceedings Article | 23 March 2005 Paper

A dynamic Monte Carlo model for predicting radiant exposure distribution in dental composites: model development and verifications

Yin-Chu Chen, Jack Ferracane, Scott Prahl

Proceedings Volume 5687, (2005) https://doi.org/10.1117/12.592276

KEYWORDS: Photons, Composites, Absorption, Optical properties, Monte Carlo methods, Scattering, Light scattering, Computer simulations, Reflectivity, Polymers

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Proceedings Article | 29 December 2004 Paper

Evaluation of molecularly imprinted polyurethane as an optical waveguide for PAH sensing

Yin-Chu Chen, Jennifer Barzier, Mingdi Yan, Scott Prahl

Proceedings Volume 5593, (2004) https://doi.org/10.1117/12.570539

KEYWORDS: Waveguides, Luminescence, Polymers, Optical fibers, Polyurethane, Absorption, Polymer multimode waveguides, Molecules, Capillaries, Lamps

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SPIE Journal Paper | 1 November 2004 Open Access

Design, testing, and clinical studies of a handheld polarized light camera

Jessica Ramella-Roman, Kenneth Lee, Scott Prahl, Steven Jacques

JBO, Vol. 9, Issue 06, (November 2004) https://doi.org/10.1117/12.10.1117/1.1781667

KEYWORDS: Cameras, Polarization, Beam splitters, Skin, Imaging systems, Melanoma, Skin cancer, Prototyping, Objectives, CCD cameras

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SPIE Journal Paper | 1 May 2004 Open Access

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, (May 2004) https://doi.org/10.1117/12.10.1117/1.1695412

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

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Proceedings Article | 13 October 2003 Paper

Measurement of changes in concentrations of biological solutions using a Rayleigh interferometer

Y. Chen, J. Brazier, Sean Kirkpatrick, Scott Prahl

Proceedings Volume 5068, (2003) https://doi.org/10.1117/12.518786

KEYWORDS: Refractive index, Interferometers, Glasses, Fringe analysis, Interferometry, Phase shifts, Molecules, Water, Optical benches, Waveguides

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Proceedings Article | 13 October 2003 Paper

Polarized light imaging with a handheld camera

Jessica Ramella-Roman, Kenneth Lee, Scott Prahl, Steven Jacques

Proceedings Volume 5068, (2003) https://doi.org/10.1117/12.518788

KEYWORDS: Cameras, Polarization, Skin, CCD cameras, Beam splitters, Melanoma, Tissue optics, Image enhancement, Imaging systems, Light sources

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Proceedings Article | 13 October 2003 Paper

The specular reflection problem with a single fiber for emission and collection

Theodore Moffitt, Scott Prahl

Proceedings Volume 5068, (2003) https://doi.org/10.1117/12.518784

KEYWORDS: Specular reflections, Tissues, Reflection, Mirrors, Reflectivity, Epoxies, Light scattering, Natural surfaces, Scattering, Absorption

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Proceedings Article | 12 September 2003 Paper

Optimal dye concentration and power density for laser-assisted vascular anatomosis (LAVA)

Zhen Ren, Anthony Furnary, Hua Xie, Kathryn Lagerquist, Allen Burke, Scott Prahl, Kenton Gregory

Proceedings Volume 4949, (2003) https://doi.org/10.1117/12.479374

KEYWORDS: Laser welding, Laser tissue interaction, Injuries, Semiconductor lasers, Tissues, Arteries, Control systems, Laser vision correction, Laser therapeutics, Indocyanine green

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Proceedings Article | 17 June 2002 Paper

Mechanical properties of repaired liver using an argon beam coagulator with albumin

Theodore Moffitt, Deborah Baker, Sean Kirkpatrick, Scott Prahl

Proceedings Volume 4609, (2002) https://doi.org/10.1117/12.438864

KEYWORDS: Liver, Argon, Tissues, Aluminum, Ion beams, In vitro testing, Surgery, Water, Solids, Refractive index

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Proceedings Article | 17 June 2002 Paper

Effects of in-vitro target compression modulus on laser thrombolytic ablation rate

Abram Janis, Sean Kirkpatrick, Kenton Gregory, Scott Prahl

Proceedings Volume 4609, (2002) https://doi.org/10.1117/12.441250

KEYWORDS: Laser ablation, In vitro testing, Absorbance, Laser therapeutics, Blood, Calibration, Proteins, Laser energy, In vivo imaging, Pulsed laser operation

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Proceedings Article | 17 June 2002 Paper

Hemostasis after partial hepatectomy using argon beam coagulation and a concentrated albumin

Hua Xie, Ron Wolf, John Petty, Allen Burke, Jeffery Teach, Kenton Gregory, Scott Prahl

Proceedings Volume 4609, (2002) https://doi.org/10.1117/12.438971

KEYWORDS: Liver, Argon, Surgery, Tissues, Injuries, Natural surfaces, Blood, Laser welding, Laser therapeutics, Inflammation

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Proceedings Article | 1 May 2002 Paper

Determining the reduced scattering of skin in vivo using sized-fiber reflectometry

Theodore Moffitt, Scott Prahl

Proceedings Volume 4613, (2002) https://doi.org/10.1117/12.465252

KEYWORDS: Scattering, Absorption, Diffuse reflectance spectroscopy, Skin, Monte Carlo methods, Light scattering, Reflectivity, Tissues, In vivo imaging, Tissue optics

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Proceedings Article | 15 June 2001 Paper

Design and testing of an endoscopic photoacoustic probe for determination of treatment depth after photodynamic therapy

John Viator, Guenther Paltauf, Steven Jacques, Scott Prahl

Proceedings Volume 4256, (2001) https://doi.org/10.1117/12.429311

KEYWORDS: Photodynamic therapy, Acoustics, Photoacoustic spectroscopy, Tumors, Tissues, Cancer, Tissue optics, Endoscopy, Oscilloscopes, Absorption

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Proceedings Article | 15 June 2001 Paper

Iterative reconstruction method for three-dimensional optoacoustic imaging

Guenther Paltauf, John Viator, Scott Prahl, Steven Jacques

Proceedings Volume 4256, (2001) https://doi.org/10.1117/12.429299

KEYWORDS: Sensors, Acoustics, Optical spheres, Reconstruction algorithms, Signal detection, 3D image processing, Detection and tracking algorithms, Detector arrays, 3D acquisition, Solids

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Proceedings Article | 21 May 2001 Paper

Thermal damage control of dye-assisted laser tissue welding: effect of dye concentration

Hua Xie, Lisa Buckley, Scott Prahl, Brian Shaffer, Kenton Gregory

Proceedings Volume 4244, (2001) https://doi.org/10.1117/12.427789

KEYWORDS: Solids, Tissues, Laser welding, Laser tissue interaction, Injuries, Indocyanine green, Semiconductor lasers, Beam controllers, In vitro testing, Absorption

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Proceedings Article | 21 May 2001 Paper

Laser repair of liver

Scott Prahl, Tim Denison, Elaine LaJoie

Proceedings Volume 4244, (2001) https://doi.org/10.1117/12.427793

KEYWORDS: Liver, Laser energy, Laser welding, Pulsed laser operation, Continuous wave operation, Laser irradiation, Tissues, Indocyanine green, Semiconductor lasers, Laser therapeutics

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Proceedings Article | 19 May 2000 Paper

Localization of spherical photoacoustic sources in acrylamide gels using time domain measurements

John Viator, Guenther Paltauf, Steven Jacques, Scott Prahl

Proceedings Volume 3916, (2000) https://doi.org/10.1117/12.386309

KEYWORDS: Optical spheres, Acoustics, Photoacoustic spectroscopy, Transducers, Convolution, Absorption, Sensors, Spherical lenses, Ferroelectric polymers, Tissue optics

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Proceedings Article | 17 May 2000 Paper

Laser welding with an albumin stent: experimental ureteral end-to-end anastomosis

Hua Xie, Brian Shaffer, Scott Prahl, Kenton Gregory

Proceedings Volume 3907, (2000) https://doi.org/10.1117/12.386258

KEYWORDS: Laser welding, Laser tissue interaction, Semiconductor lasers, Liquids, Continuous wave operation, Tissues, Pulsed laser operation, Laser energy, Injuries, Laser therapeutics

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Proceedings Article | 17 May 2000 Paper

Liver repair and hemorrhage control using laser soldering of liquid albumin in a porcine model

Yasmin Wadia, Hua Xie, Michio Kajitani, Kenton Gregory, Scott Prahl

Proceedings Volume 3907, (2000) https://doi.org/10.1117/12.386239

KEYWORDS: Liver, Laser welding, Injuries, Blood, Liquids, Surgery, Pulsed laser operation, Laser irradiation, Laser tissue interaction, Laser vision correction

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Proceedings Article | 19 April 2000 Paper

In-vivo sized-fiber spectroscopy

Theodore Moffitt, Scott Prahl

Proceedings Volume 3917, (2000) https://doi.org/10.1117/12.382738

KEYWORDS: Optical fibers, Tissues, In vivo imaging, Reflectivity, Water, Kidney, Tissue optics, Spectroscopes, In vitro testing, Lamps

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Proceedings Article | 17 September 1999 Paper

Sutureless end-to-end ureteral anastomosis using a new albumin stent and diode laser

Hua Xie, Brian Shaffer, Scott Prahl, Kenton Gregory

Proceedings Volume 3863, (1999) https://doi.org/10.1117/12.364420

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Proceedings Article | 14 June 1999 Paper

Photoacoustic imaging of gelatin phantoms using matched-field processing

John Viator, Scott Prahl

Proceedings Volume 3601, (1999) https://doi.org/10.1117/12.350010

KEYWORDS: Acoustics, Data modeling, Transducers, Optical spheres, Absorption, Ocean optics, Optical parametric oscillators, Computer simulations, Q switched lasers, Photoacoustic imaging

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SPIE Journal Paper | 1 August 1998

Photographic studies of laser-induced bubble formation in absorbing liquids and on submerged targets: implications for drug delivery with microsecond laser pulses

HanQun Shangguan, Lee Casperson, Dennis Paisley, Scott Prahl

OE, Vol. 37, Issue 08, (August 1998) https://doi.org/10.1117/12.10.1117/1.601738

KEYWORDS: Liquids, Photography, Pulsed laser operation, Cavitation, Silicon, Fiber lasers, Optical engineering, High speed photography, Absorption, Blood

Proceedings Article | 1 July 1998 Paper

Laser mass-ablation efficiency measurements indicate bubble-driven dynamics dominate laser thrombolysis

Robert Godwin, Edward Chapyak, Scott Prahl, HanQun Shangguan

Proceedings Volume 3245, (1998) https://doi.org/10.1117/12.312278

KEYWORDS: Laser ablation, Energy efficiency, Optical fibers, Pulsed laser operation, Fluid dynamics, Laser damage threshold, Laser energy, Absorption, LASIK, Laser optics

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Proceedings Article | 13 May 1998 Paper

Generating subsurface acoustic waves in indocyanine-green-stained elastin biomaterial using a Q-switched laser

John Viator, Steven Jacques, Scott Prahl

Proceedings Volume 3254, (1998) https://doi.org/10.1117/12.308154

KEYWORDS: Acoustics, Absorption, Signal detection, Transducers, Indocyanine green, Q switched lasers, Tissues, Wave propagation, Algorithm development, Target detection

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Proceedings Article | 13 May 1998 Paper

Sized-fiber array spectroscopy

Scott Prahl, Steven Jacques

Proceedings Volume 3254, (1998) https://doi.org/10.1117/12.308183

KEYWORDS: Scattering, Monte Carlo methods, Optical properties, Light scattering, Absorption, Photons, Tissue optics, Spectroscopes, Beam splitters, Reflectivity

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Proceedings Article | 13 May 1998 Paper

Laser thrombolysis using a millisecond frequency-doubled Nd-YAG laser

John Viator, Scott Prahl

Proceedings Volume 3254, (1998) https://doi.org/10.1117/12.308175

KEYWORDS: Laser ablation, Pulsed laser operation, Nd:YAG lasers, Dye lasers, Laser energy, Laser damage threshold, Arteries, Absorption, Solid state lasers, Blood

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Proceedings Article | 13 May 1998 Paper

Pressure effects on soft tissues monitored by changes in tissue optical properties

HanQun Shangguan, Scott Prahl, Steven Jacques, Lee Casperson, Kenton Gregory

Proceedings Volume 3254, (1998) https://doi.org/10.1117/12.308187

KEYWORDS: Tissues, Optical properties, Absorption, Scattering, Transmittance, Reflectivity, Diffuse reflectance spectroscopy, Light scattering, Water, Optical testing

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Proceedings Article | 14 January 1998 Paper

Measurements of ligament and cartilage optical properties at 351 nm, 365 nm, and in the visible range (440 to 800 nm)

Marie-Anne Descalle, Steven Jacques, Scott Prahl, Timothy Laing, William Martin

Proceedings Volume 3195, (1998) https://doi.org/10.1117/12.297911

KEYWORDS: Cartilage, Optical properties, Absorption, Diffuse reflectance spectroscopy, Scattering, Tissues, Tissue optics, Reflectivity, Light scattering, Natural surfaces

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SPIE Journal Paper | 1 July 1997 Open Access

Limitations in measurement of subsurface temperatures using pulsed photothermal radiometry

Ujwal Sathyam, Scott Prahl

JBO, Vol. 2, Issue 03, (July 1997) https://doi.org/10.1117/12.10.1117/12.275218

KEYWORDS: Skin, Absorption, Scattering, Temperature metrology, Pulsed laser operation, Computer simulations, Tissues, Sensors, Infrared radiation, Signal detection

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Proceedings Article | 16 June 1997 Paper

Rate process models for thermal welding

Scott Prahl, S. Pearson

Proceedings Volume 2975, (1997) https://doi.org/10.1117/12.275486

KEYWORDS: Tissues, Intestine, Process modeling, Laser welding, Thermal modeling, Molecules, Pulsed laser operation, Molecular lasers, Laser tissue interaction, Glasses

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Proceedings Article | 16 June 1997 Paper

Laser welding of biomaterials stained with indocyanine green to tissues

Steven Jacques, Andrew Barofsky, HanQun Shangguan, Scott Prahl, Kenton Gregory

Proceedings Volume 2975, (1997) https://doi.org/10.1117/12.275511

KEYWORDS: Tissues, Natural surfaces, Pulsed laser operation, Laser welding, Laser energy, Arteries, Absorption, Indocyanine green, Semiconductor lasers, Interfaces

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This paper considers some issues pertinent to laser welding of elastin-based biomaterials to tissues using a pulsed diode laser (lO-is pulse) and indocyanine green (ICG) as an absorbing chromophore to localize laser heating to the "weld surface", the elastin/tissue interface where welding occurs. Experiments involved laser welding of elastin heterographs to the intimal surface of the carotid artery (in vitro, porcine) as a '-4x5 spotweld, then determining the breaking strength when the two tissues were pulled in a direction parallel to the plane of the spot weld while submerged in water. The questions answered are: . WHAT IS THE PEAK TEMPERATURE REQUIRED FOR WELDING ELASTIN HETEROGRAPH TO THE INTIMAL SURFACE OF CAROTID ARTERY? ANSWER: 3OO °C threshold, -6OO °C for maximum strength. This estimate is based on optical measurements of dye accumulation in stain layer and measurements of thickness of stain layer via fluorescence microscope examination. . WHATIS THE DEPENDENCE OF WELD STRENGTH ON THE LASER EXPOSURE? ANSWER: Breaking force (g) = Max*(1 exp(-(E Eth)/U67)), where Max is the maximum strength achievable by laser welding, expressed as the breaking force in g when elastin heterograph and tissue are pulled. E is the laser pulse energy. Eth is the apparent threshold laser pulse energy that will break the weld. Uth is the laser energy above threshold which achieves 67% of Max. Max was about 15 g for the -2O --2weld area of our experiments. Eth was 0.8 J. U67 was 1 .44 J. . DOES WELD STRENGTH DEPEND ON HYDRATION CONDITIONS? ANSWER: Not on the amount of excess unbound water. There was no significant difference in weld strength between welding dripping wet tissues vs well blotted tissues. S WHAT DIFFERENCE IS THERE BETWEEN IRRADIATING THE WELD SURFACE THROUGH THE BIOMATERIAL VS THROUGH THE TISSUE, WHEN THE BIOMATERIAL IS PARTIALLY STAINED WITH ICG? ANSWER: There is a difference if the stain layer is heavily stained. Irradiation through the tissue allows direct irradiation on the weld surface which achieves the highest peak temperatures for the least laser pulse energy. Irradiation through the elastin heterograph causes direct irradiation of the rear surface of the stain layer, within the biomaterial and away from the weld surface, and thermal diffusion must bring the heat to the weld surface. This difference occurs only when the absorption by the stain layer is sufficiently high that little laser energy directly reaches the weld surface.

Proceedings Article | 28 May 1997 Paper

Effects of material properties on laser-induced bubble formation in absorbing liquids and on submerged targets

HanQun Shangguan, Lee Casperson, Alan Shearin, Dennis Paisley, Scott Prahl

Proceedings Volume 2869, (1997) https://doi.org/10.1117/12.273417

KEYWORDS: Liquids, Pulsed laser operation, Cavitation, Photography, Laser ablation, Fiber lasers, Cameras, Absorption, Blood, High speed photography

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Proceedings Article | 22 May 1997 Paper

Penetration of fluorescent particles in gelatin during laser thrombolysis

HanQun Shangguan, Lee Casperson, Kenton Gregory, Scott Prahl

Proceedings Volume 2970, (1997) https://doi.org/10.1117/12.275030

KEYWORDS: Laser energy, Optical spheres, Laser ablation, Particles, Arteries, Absorption, Cavitation, Pulsed laser operation, Laser therapeutics, Visualization

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Proceedings Article | 22 May 1997 Paper

Acoustic cavitation events during microsecond irradiation of aqueous solutions

Badrinarayan Amurthur, John Viator, Scott Prahl

Proceedings Volume 2970, (1997) https://doi.org/10.1117/12.275016

KEYWORDS: Acoustics, Cavitation, Pulsed laser operation, Interfaces, Laser damage threshold, Laser ablation, Absorption, Transducers, Acoustic cavitation, Laser irradiation

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Proceedings Article | 22 May 1997 Paper

Comparison of numerical simulations and laboratory studies of laser thrombolysis

Edward Chapyak, Robert Godwin, Scott Prahl, HanQun Shangguan

Proceedings Volume 2970, (1997) https://doi.org/10.1117/12.275023

KEYWORDS: Acoustics, Numerical simulations, Interfaces, Picosecond phenomena, LASIK, Laser energy, Kinematics, Water, Liquids, Optical fibers

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Proceedings Article | 22 May 1997 Paper

Basic ablation phenomena during laser thrombolysis

Ujwal Sathyam, Alan Shearin, Scott Prahl

Proceedings Volume 2970, (1997) https://doi.org/10.1117/12.275038

KEYWORDS: Laser ablation, Absorption, Arteries, Laser damage threshold, Pulsed laser operation, Laser energy, Blood, Acoustics, Laser systems engineering, Heart

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Proceedings Article | 17 May 1996 Paper

Investigation of cavitation bubble dynamics using particle image velocimetry: implications for photoacoustic drug delivery

HanQun Shangguan, Lee Casperson, Alan Shearin, Scott Prahl

Proceedings Volume 2671, (1996) https://doi.org/10.1117/12.239998

KEYWORDS: Cavitation, Photography, Particles, Fiber lasers, Pulsed laser operation, Absorption, Photoacoustic spectroscopy, Liquids, Particle image velocimetry, Blood

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Proceedings Article | 17 May 1996 Paper

Visualization of microsecond laser ablation of porcine clot and gelatin under a clear liquid

Ujwal Sathyam, Alan Shearin, Scott Prahl

Proceedings Volume 2671, (1996) https://doi.org/10.1117/12.240020

KEYWORDS: Laser ablation, Pulsed laser operation, Absorption, Visualization, Video, Liquids, Photography, Silicon, CCD cameras, Arteries

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SPIE Journal Paper | 2 January 1996 Open Access

Optical properties of scattering and absorbing materials used in the development of optical phantoms at 1064 nm

David Royston, Regan Poston, Scott Prahl

JBO, Vol. 1, Issue 01, (January 1996) https://doi.org/10.1117/12.10.1117/12.227698

KEYWORDS: Scattering, Optical properties, Absorption, Optical spheres, Anisotropy, Light scattering, Optical phantoms, Particles, Laser scattering, Mie scattering

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Proceedings Article | 22 May 1995 Paper

Effect of spot size, pulse energy, and repetition rate on microsecond ablation of gelatin under water

Ujwal Sathyam, Alan Shearin, Scott Prahl

Proceedings Volume 2391, (1995) https://doi.org/10.1117/12.209900

KEYWORDS: Laser ablation, Laser energy, Energy efficiency, Photography, Pulsed laser operation, Absorption, Visualization, Liquids, Quartz, Dye lasers

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Proceedings Article | 22 May 1995 Paper

Charts to rapidly estimate temperature following laser irradiation

Scott Prahl

Proceedings Volume 2391, (1995) https://doi.org/10.1117/12.209919

KEYWORDS: Laser irradiation, Scattering, Diffusion, Tissues, Absorption, Pulsed laser operation, Tissue optics, Thermography, Thermal modeling, Laser scattering

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Proceedings Article | 22 May 1995 Paper

Photoacoustic drug delivery: the effect of laser parameters on the spatial distribution of delivered drug

HanQun Shangguan, Lee Casperson, Alan Shearin, Kenton Gregory, Scott Prahl

Proceedings Volume 2391, (1995) https://doi.org/10.1117/12.209907

KEYWORDS: Absorption, Laser energy, Cavitation, Pulsed laser operation, Acoustics, Laser ablation, Photoacoustic spectroscopy, Laser tissue interaction, Fiber lasers, Dye lasers

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Proceedings Article | 12 May 1995 Paper

Welding artificial biomaterial with a pulsed diode laser and indocyanine green dye

Elaine La Joie, Andrew Barofsky, Kenton Gregory, Scott Prahl

Proceedings Volume 2395, (1995) https://doi.org/10.1117/12.209139

KEYWORDS: Semiconductor lasers, Indocyanine green, Laser tissue interaction, Tissues, Absorption, Laser welding, Glasses, Pulsed laser operation, Chromophores, Magnesium

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Proceedings Article | 12 July 1994 Paper

Quantifying psoralen in tissues by fluorescence: dosimetry for psoralen administration followed by ultraviolet A irradiation (PUVA) to block restenosis

Steven Jacques, Lisa Buckley, Scott Prahl, Kenton Gregory

Proceedings Volume 2130, (1994) https://doi.org/10.1117/12.179911

KEYWORDS: Luminescence, Tissues, In vitro testing, Optical fibers, Calibration, Ultraviolet radiation, Cell death, In vivo imaging, Magnesium, Blood

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Proceedings Article | 10 January 1989 Paper

A Monte Carlo model of light propagation in tissue

S. Prahl

Proceedings Volume 10305, 1030509 (1989) https://doi.org/10.1117/12.2283590

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Showing 5 of 62 publications

Conference Committee Involvement (4)

Design and Performance Validation of Phantoms Used in Conjunction with Optical Measurement of Tissue III

22 January 2011 | San Francisco, California, United States

Design and Performance Validation of Phantoms used in Conjunction with Optical Measurement of Tissue

23 January 2010 | San Francisco, California, United States

Design and Performance Validation of Phantoms Used in Conjunction with Optical Measurements of Tissue

19 January 2008 | San Jose, California, United States

Cutaneous Applications of Lasers: Dermatology, Plastic Surgery, and Tissue Welding

25 January 1998 | San Jose, CA, United States

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