Dr. Paul K. Kennedy Profile

Dr. Paul K. Kennedy

Senior Research Biophysicist

SPIE Involvement:

Author

Publications (26)

Proceedings Article | 26 September 2016 Presentation + Paper

Automatic construction of probabilistic dynamic bidirectional reflectance distribution functions from reflection screen images

Albert Bailey, Edward Early, Paul Kennedy, Robert Thomas

Proceedings Volume 9961, 99610M (2016) https://doi.org/10.1117/12.2235343

KEYWORDS: Bidirectional reflectance transmission function, Reflection, Reflectivity, Scattering, Light scattering, Diffuse reflectance spectroscopy, Cameras, Anisotropy, Surface roughness, Aluminum

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SPIE Journal Paper | 27 January 2016 Open Access

Temperature dependence of nanosecond laser pulse thresholds of melanosome and microsphere microcavitation

Morgan Schmidt, Paul Kennedy, Gary Noojin, Robert Thomas, Benjamin Rockwell

JBO, Vol. 21, Issue 01, 015013, (January 2016) https://doi.org/10.1117/12.10.1117/1.JBO.21.1.015013

KEYWORDS: Absorption, Near infrared, Laser damage threshold, Cavitation, Temperature metrology, Particles, Pulsed laser operation, Error analysis, Data modeling, Sensors

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SPIE Journal Paper | 21 September 2015 Open Access

Trends in nanosecond melanosome microcavitation up to 1540 nm

Morgan Schmidt, Paul Kennedy, Gary Noojin, Rebecca Vincelette, Robert Thomas, Benjamin Rockwell

JBO, Vol. 20, Issue 09, 095011, (September 2015) https://doi.org/10.1117/12.10.1117/1.JBO.20.9.095011

KEYWORDS: Absorption, Retina, Near infrared, Laser damage threshold, Skin, Eye, In vivo imaging, Mid-IR, Cavitation, Gaussian beams

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Proceedings Article | 5 March 2015 Paper

Temperature dependence of melanosome microcavitation thresholds produced by single nanosecond laser pulses

Morgan Schmidt, Paul Kennedy, Gary Noojin, Robert Thomas, Benjamin Rockwell

Proceedings Volume 9321, 932108 (2015) https://doi.org/10.1117/12.2079934

KEYWORDS: Absorption, Near infrared, Temperature metrology, Laser damage threshold, Cavitation, Sensors, Nd:YAG lasers, Beam splitters, Statistical analysis, Glasses

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SPIE Journal Paper | 10 March 2014 Open Access

Trends in melanosome microcavitation thresholds for nanosecond pulse exposures in the near infrared

Morgan Schmidt, Paul Kennedy, Rebecca Vincelette, Michael Denton, Gary Noojin, Kurt Schuster, Robert Thomas, Benjamin Rockwell

JBO, Vol. 19, Issue 03, 035003, (March 2014) https://doi.org/10.1117/12.10.1117/1.JBO.19.3.035003

KEYWORDS: Absorption, Near infrared, Laser damage threshold, Retina, Eye, Laser safety, Gaussian beams, Nd:YAG lasers, Standards development, Physics

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Proceedings Article | 26 February 2014 Paper

Melanin microcavitation threshold in the near infrared

Morgan Schmidt, Paul Kennedy, Rebecca Vincelette, Kurt Schuster, Gary Noojin, Andrew Wharmby, Robert Thomas, Benjamin Rockwell

Proceedings Volume 8941, 894109 (2014) https://doi.org/10.1117/12.2036287

KEYWORDS: Absorption, Near infrared, Laser damage threshold, Temperature metrology, Standards development, Cavitation, Nd:YAG lasers, Beam splitters, Sensors, Laser safety

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Proceedings Article | 1 July 2004 Paper

Laser-induced retinal damage thresholds for annular retinal beam profiles

Paul Kennedy, Joseph Zuclich, David Lund, Peter Edsall, Stephen Till, Bruce Stuck, Richard Hollins

Proceedings Volume 5319, (2004) https://doi.org/10.1117/12.529400

KEYWORDS: Laser damage threshold, Retina, Laser induced damage, Eye, Data modeling, Medical research, In vivo imaging, Thermal modeling, Optical testing, Imaging systems

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Proceedings Article | 20 June 2003 Paper

Validation and verification of the laser range safety tool (LRST)

Paul Kennedy, Kenneth Keppler, Robert Thomas, Garrett Polhamus, Peter Smith, Javier Trevino, Daniel Seaman, Robert Gallaway, Gregg Crockett

Proceedings Volume 4953, (2003) https://doi.org/10.1117/12.476899

KEYWORDS: Laser safety, Safety, Reflectivity, Bidirectional reflectance transmission function, Data modeling, Hazard analysis, Physics, Databases, Laser energy, Systems modeling

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Proceedings Article | 19 June 2003 Paper

LIB thresholds at 44 fs, 810 nm, for chirped and nonchirped laser pulses

Clarence Cain, Robert Thomas, David Stolarski, Gary Noojin, Gavin Buffington, Paul Kennedy, Benjamin Rockwell

Proceedings Volume 4978, (2003) https://doi.org/10.1117/12.478592

KEYWORDS: Laser induced breakdown spectroscopy, Laser damage threshold, Dispersion, Eye, Glasses, Water, Refraction, Laser induced damage, Pulsed laser operation, Medium wave

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Proceedings Article | 27 June 2002 Paper

Laser damage threshold trends for sub-100-fs pulses in the retina

Robert Thomas, Gary Noojin, Paul Kennedy, Benjamin Rockwell, Kate Denning, Jesse Shaver, Gavin Buffington

Proceedings Volume 4617, (2002) https://doi.org/10.1117/12.472517

KEYWORDS: Laser damage threshold, Eye, Laser induced breakdown spectroscopy, Eye models, Dispersion, Ultrafast phenomena, Radio propagation, Monochromatic aberrations, Retina, Pulsed laser operation

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Proceedings Article | 25 June 2002 Paper

Laser safety research and modeling for high-energy laser systems

Peter Smith, Cecilia Montes de Oca, Paul Kennedy, Kenneth Keppler

Proceedings Volume 4724, (2002) https://doi.org/10.1117/12.472366

KEYWORDS: Laser safety, Safety, Laser systems engineering, Laser scattering, Weapons, Hazard analysis, Laser development, Standards development, Atmospheric modeling, Data modeling

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Proceedings Article | 9 July 2001 Paper

Retinal damage thresholds for 40-fs laser pulses

Benjamin Rockwell, Cynthia Toth, David Stolarski, Gary Noojin, Paul Kennedy, Jesse Shaver, Gavin Buffington, Robert Thomas

Proceedings Volume 4257, (2001) https://doi.org/10.1117/12.434694

KEYWORDS: Laser damage threshold, Laser induced damage, Ultrafast phenomena, Laser induced breakdown spectroscopy, Femtosecond phenomena, Eye, Laser safety, Pulsed laser operation, Dispersion, Wave propagation

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Proceedings Article | 3 March 2000 Paper

Variation of laser-induced retinal damage threshold with retinal image size (Abstract Only)

Joseph Zuclich, David Lund, Peter Edsall, Richard Hollins, Peter Smith, Bruce Stuck, Leon McLin, Paul Kennedy, Stephen Till

Proceedings Volume 3902, (2000) https://doi.org/10.1117/12.379345

KEYWORDS: Laser damage threshold, Laser induced damage, Absorption, Error analysis, Medical research, Defense and security, Q switched lasers, Nd:YAG lasers, Dye lasers, Visualization

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SPIE Journal Paper | 1 July 1999 Open Access

Comparative study of laser damage threshold energies in the artificial retina

Dale Payne, Richard Hopkins, Brent Eilert, Gary Noojin, David Stolarski, Robert Thomas, Clarence Cain, Gordon Hengst, Paul Kennedy, Thomas Jost, Benjamin Rockwell

JBO, Vol. 4, Issue 03, (July 1999) https://doi.org/10.1117/12.10.1117/1.429935

KEYWORDS: Retina, Eye, Laser damage threshold, Pulsed laser operation, Near infrared, Microscopes, Laser induced breakdown spectroscopy, Femtosecond phenomena, Particles, Ultrafast phenomena

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Proceedings Article | 14 June 1999 Paper

Retinal damage mechanisms and safety for ultrashort laser exposure

Benjamin Rockwell, Cynthia Toth, William Roach, Dale Payne, Richard Hopkins, Paul Kennedy, David Stolarski, Gary Noojin, Robert Thomas, Clarence Cain

Proceedings Volume 3601, (1999) https://doi.org/10.1117/12.349987

KEYWORDS: Laser safety, Ultrafast phenomena, Laser damage threshold, Eye, Retina, Femtosecond phenomena, Safety, Near infrared, Pulsed laser operation, Standards development

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Proceedings Article | 18 May 1998 Paper

Retinal damage mechanisms from ultrashort laser exposure

Benjamin Rockwell, Dale Payne, Richard Hopkins, Daniel Hammer, Paul Kennedy, Rodney Amnotte, Brent Eilert, Jeffrey Druessel, Cynthia Toth, William Roach, Shana Phillips, David Stolarski, Gary Noojin, Robert Thomas, Clarence Cain

Proceedings Volume 3255, (1998) https://doi.org/10.1117/12.308221

KEYWORDS: Pulsed laser operation, Eye, Laser safety, Ultrafast phenomena, Laser damage threshold, Laser induced damage, Retina, Femtosecond phenomena, Standards development, Laser induced breakdown spectroscopy

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Proceedings Article | 13 May 1998 Paper

Parameter sensitivity of the Thompson granular retinal damage model

Paul Kennedy, Jeffrey Druessel, James Cupello, Stephen Till, Bernard Gerstman, Charles Thompson, Benjamin Rockwell

Proceedings Volume 3254, (1998) https://doi.org/10.1117/12.308160

KEYWORDS: Statistical analysis, Absorption, Biological research, Data modeling, Diffractive optical elements, Eye models, Pulsed laser operation, Eye, Laser induced damage, Analytical research

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Proceedings Article | 16 June 1997 Paper

Measurement of the self-focusing threshold in aqueous media by ultrashort laser pulses

Daniel Hammer, Gary Noojin, Robert Thomas, Richard Hopkins, Paul Kennedy, Jeffrey Druessel, Benjamin Rockwell, Ashley Welch, Clarence Cain

Proceedings Volume 2975, (1997) https://doi.org/10.1117/12.275472

KEYWORDS: Laser damage threshold, Picosecond phenomena, Laser induced damage, Eye, Ultrafast phenomena, Femtosecond phenomena, Medium wave, Pulsed laser operation, Eye models, Refractive index

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Proceedings Article | 16 June 1997 Paper

Retinal spot size with wavelength

Benjamin Rockwell, Daniel Hammer, Paul Kennedy, Rodney Amnotte, Brent Eilert, Jeffrey Druessel, Dale Payne, Shana Phillips, David Stolarski, Gary Noojin, Robert Thomas, Clarence Cain

Proceedings Volume 2975, (1997) https://doi.org/10.1117/12.275470

KEYWORDS: Retina, Chromatic aberrations, Laser induced breakdown spectroscopy, Eye, Refractive index, In vivo imaging, Laser damage threshold, Eye models, Absorption, Animal model studies

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Proceedings Article | 2 May 1997 Paper

Ultrashort-laser-pulse retinal damage

Benjamin Rockwell, William Roach, Dale Payne, Paul Kennedy, Jeffrey Druessel, Rodney Amnotte, Brent Eilert, Shana Phillips, David Stolarski, Gary Noojin, Clarence Cain, Cynthia Toth

Proceedings Volume 2974, (1997) https://doi.org/10.1117/12.275228

KEYWORDS: Eye, Information operations, Pulsed laser operation, Laser damage threshold, Ultrafast phenomena, Wave propagation, Laser induced breakdown spectroscopy, Retina, Femtosecond phenomena, Laser safety

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Proceedings Article | 7 May 1996 Paper

Effects of laser-induced breakdown, self-focusing, and plasma shielding on ultrashort-pulse propagation in the eye

Paul Kennedy, Ewan Wright, Quanyuan Feng, Kirk Cook, Daniel Hammer, Charles Thompson, Jerome Moloney, Benjamin Rockwell, Jeffrey Druessel, Alan Newell

Proceedings Volume 2681, (1996) https://doi.org/10.1117/12.239600

KEYWORDS: Laser induced breakdown spectroscopy, Plasma, Eye, Eye models, Ionization, Numerical simulations, Dispersion, Ultrafast phenomena, Vitreous, Data modeling

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Proceedings Article | 22 May 1995 Paper

Effect of nonlinear optical phenomena on retinal damage

Benjamin Rockwell, Paul Kennedy, Robert Thomas, William Roach, Mark Rogers

Proceedings Volume 2391, (1995) https://doi.org/10.1117/12.209944

KEYWORDS: Absorption, Retina, Pulsed laser operation, Laser scattering, Information operations, Scattering, Laser induced damage, Laser damage threshold, Supercontinuum generation, Picosecond phenomena

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Proceedings Article | 22 May 1995 Paper

First-order model for computation of laser-induced breakdown thresholds in condensed media

Paul Kennedy, Stephen Boppart, Daniel Hammer, Benjamin Rockwell, Gary Noojin, William Roach

Proceedings Volume 2391, (1995) https://doi.org/10.1117/12.209922

KEYWORDS: Ionization, Electrons, Eye models, Laser induced breakdown spectroscopy, Solid modeling, Laser damage threshold, Plasma, Laser induced damage, Liquids, Polonium

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Proceedings Article | 22 May 1995 Paper

In vivo laser-induced breakdown in the rabbit eye

Clarence Cain, Cheryl DiCarlo, Paul Kennedy, Gary Noojin, Rodney Amnotte, William Roach

Proceedings Volume 2391, (1995) https://doi.org/10.1117/12.209913

KEYWORDS: Eye, Laser induced breakdown spectroscopy, Vitreous, In vivo imaging, Femtosecond phenomena, Laser damage threshold, Eye models, Video, Retina, Pulsed laser operation

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Proceedings Article | 17 August 1994 Paper

Temperature dependence of laser-induced breakdown

Daniel Hammer, Rex Eiserer, Gary Noojin, Stephen Boppart, Paul Kennedy, William Roach

Proceedings Volume 2134, (1994) https://doi.org/10.1117/12.182956

KEYWORDS: Laser induced breakdown spectroscopy, Laser induced damage, Laser optics, Picosecond phenomena, Eye, Temperature metrology, Femtosecond phenomena, Visible radiation, Near infrared, Vitreous

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Proceedings Article | 1 June 1990 Paper

Geometric modes of an unstable ring resonator with 90 degree beam rotation

Paul Kennedy, Kenneth Sun

Proceedings Volume 1224, (1990) https://doi.org/10.1117/12.18434

KEYWORDS: Resonators, Mirrors, Telescopes, Beam propagation method, Ray tracing, Collimation, Wave propagation, Optical resonators, Optical spheres, Geometrical optics

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Showing 5 of 26 publications

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