Prof. Phillip Sprangle Profile

Prof. Phillip Sprangle

Professor Engineering and Physics at Univ of Maryland

SPIE Involvement:

Author | Editor

Publications (26)

Proceedings Article | 3 October 2024 Presentation + Paper

Propagation of laser pulse trains through the air

Gavin Blair, Bahman Hafizi, Vladimir Markov, Phillip Sprangle

Proceedings Volume 13147, 1314704 (2024) https://doi.org/10.1117/12.3027324

KEYWORDS: Atmospheric propagation, Pulsed laser operation, Dispersion, Education and training, Wave propagation, Turbulence, Optical simulations, Pulse signals, Analytical research, Wave equations

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Proceedings Article | 3 October 2023 Presentation + Paper

Low intensity laser pulse train propagation in air: part II: experimental studies

Vladimir Markov, Igor Marienko, Gavin Blair, Phillip Sprangle

Proceedings Volume 12691, 126910L (2023) https://doi.org/10.1117/12.2675065

KEYWORDS: Education and training, Pulsed laser operation, Ultrafast phenomena, Signal processing, Plasma generation, Pulse signals, Process modeling, Plasma, Picosecond phenomena, Numerical modeling

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Proceedings Article | 3 October 2023 Presentation + Paper

Low intensity laser pulse train propagation in air: part I: analysis and simulations

Gavin Blair, Vladimir Markov, Phillip Sprangle

Proceedings Volume 12691, 126910K (2023) https://doi.org/10.1117/12.2677897

KEYWORDS: Plasma, Electrons, Plasma generation, Ionization, Pulsed laser operation, Laser radiation, Education and training, Laser frequency, Ions, Reflection

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Proceedings Article | 30 September 2022 Paper

Generation of RF radiation by laser pulse trains in air

Gavin Blair, Vladimir Markov, Phillip Sprangle

Proceedings Volume 12237, 1223706 (2022) https://doi.org/10.1117/12.2634259

KEYWORDS: Electrons, Pulsed laser operation, Ionization, Ions, Plasma, Oxygen, Picosecond phenomena, Fluid dynamics, Optical simulations

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Proceedings Article | 1 August 2021 Presentation + Paper

Nonlinear dynamics of the laser spot size and pulse duration in turbulence

Henry Elder, Anatoliy Khizhnyak, Vladimir Markov, Phillip Sprangle

Proceedings Volume 11834, 118340Q (2021) https://doi.org/10.1117/12.2594866

KEYWORDS: Turbulence, Monte Carlo methods, Collimation, Pulsed laser operation, Atmospheric propagation, Dispersion, Optical simulations, Nonlinear dynamics, Radio propagation, Beam splitters

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Proceedings Article | 10 September 2019 Presentation

Physical characteristics of the USLP beacon for laser beam control (Conference Presentation)

Vladimir Markov, Anatoliy Khizhnyak, Joshua Isaacs, Phil Sprangle

Proceedings Volume 11133, 111330X (2019) https://doi.org/10.1117/12.2531330

KEYWORDS: Atmospheric propagation, Adaptive optics, Beam controllers, Atmospheric physics, Laser beam propagation, Wave propagation, Light wave propagation, Modulation, Beam shaping, Wavefronts

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Proceedings Article | 17 May 2019 Paper

Remote detection of radioactive material using optically induced air breakdown ionization

Joshua Isaacs, Daniel Woodbury, Phillip Sprangle

Proceedings Volume 11010, 110101E (2019) https://doi.org/10.1117/12.2526350

KEYWORDS: Electrons, Ions, Ionization, Plasma, Oxygen, Active remote sensing, Atmospheric laser remote sensing

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Proceedings Article | 17 May 2019 Paper

Detecting radiation in a standoff geometry with mid-IR laser breakdown

D. Woodbury, R. Schwartz, J. Isaacs, P. Sprangle, H. Milchberg

Proceedings Volume 11010, 110101D (2019) https://doi.org/10.1117/12.2526126

KEYWORDS: Backscatter, Mid-IR, Plasma, Ionization, Picosecond phenomena, Chemical species

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Proceedings Article | 2 October 2018 Presentation + Paper

Characteristics of the USLP based beacon for laser beam control

Vladimir Markov, Joshua Isaacs, Phillip Sprangle, Anatoliy Khizhnyak, Michael Helle, Joseph Penano

Proceedings Volume 10770, 107700A (2018) https://doi.org/10.1117/12.2320357

KEYWORDS: Atmospheric propagation, Turbulence, Adaptive optics, Wavefronts, Light wave propagation, Laser beam propagation

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Proceedings Article | 18 September 2018 Presentation + Paper

The effect of laser noise on the propagation of laser radiation in dispersive and nonlinear media

Joshua Isaacs, Phillip Sprangle

Proceedings Volume 10770, 107700B (2018) https://doi.org/10.1117/12.2320350

KEYWORDS: Atmospheric propagation, Dispersion, Pulsed laser operation, Modulation, Wave propagation, Continuous wave operation, Laser beam propagation, Kerr effect

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Proceedings Article | 8 May 2018 Paper

High-average power ultra-broadband infrared radiation generation

Zachary Epstein, Bahman Hafizi, Joseph Peñano, Phillip Sprangle

Proceedings Volume 10638, 106381V (2018) https://doi.org/10.1117/12.2306605

KEYWORDS: Gallium arsenide, Gas lasers, Wave propagation, Atmospheric propagation, Refractive index, Infrared radiation, Laser damage threshold, Picosecond phenomena

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Proceedings Article | 8 May 2018 Paper

The effect of laser noise on the propagation of laser radiation in dispersive and nonlinear media

Joshua Isaacs, Phillip Sprangle

Proceedings Volume 10638, 106381O (2018) https://doi.org/10.1117/12.2306505

KEYWORDS: Atmospheric propagation, Dispersion, Pulsed laser operation, Modulation, Wave propagation, Continuous wave operation, Laser beam propagation, Atmospheric laser remote sensing

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Proceedings Article | 7 December 2016 Presentation

Propagation of combined laser beams through atmospheric turbulence (Conference Presentation)

William Nelson, Chensheng Wu, Phillip Sprangle, Christopher Davis

Proceedings Volume 9979, 99790N (2016) https://doi.org/10.1117/12.2239140

KEYWORDS: Fiber lasers, Atmospheric propagation, Atmospheric turbulence, Directed energy weapons, Laser applications, Laser beam propagation, Mode locking, High power lasers, Oscillators, High power fiber amplifiers

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Proceedings Article | 3 October 2014 Paper

Advanced TIL system for laser beam focusing in a turbulent regime

Phillip Sprangle, Antonio Ting, Dmitry Kaganovich, Anatoliy Khizhnyak, Ivan Tomov, Vladimir Markov, Dmitriy Korobkin

Proceedings Volume 9224, 92240H (2014) https://doi.org/10.1117/12.2062620

KEYWORDS: Telescopes, Phase conjugation, Laser systems engineering, Turbulence, Pulsed laser operation, Wave propagation, Atmospheric propagation, Wavefronts, Target detection, Laser beam propagation

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Proceedings Article | 17 May 2013 Paper

A nonlinear OPC technique for laser beam control in turbulent atmosphere

V. Markov, A. Khizhnyak, P. Sprangle, A. Ting, L. DeSandre, B. Hafizi

Proceedings Volume 8732, 87320D (2013) https://doi.org/10.1117/12.2016255

KEYWORDS: Atmospheric propagation, Wavefronts, Wave propagation, Beam controllers, Mirrors, Turbulence, Laser beam propagation, Diffusers, Adaptive optics, Light wave propagation

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Proceedings Article | 9 May 2013 Paper

Microstructured snow targets for high energy quasi-monoenergetic proton acceleration

E. Schleifer, E. Nahum, S. Eisenmann, M. Botton, A. Baspaly, I. Pomerantz, F. Abricht, J. Branzel, G. Priebe, S. Steinke, A. Andreev, M. Schnuerer, W. Sandner, D. Gordon, P. Sprangle, K.W. Ledingham, A. Zigler

Proceedings Volume 8779, 87791M (2013) https://doi.org/10.1117/12.2019661

KEYWORDS: Plasma, Electrons, Sensors, Pulsed laser operation, Laser systems engineering, Mirrors, Ions, Optical simulations, Photonic integrated circuits, Optical filters

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Proceedings Article | 8 November 2012 Paper

The nonlinear OPC technique for laser beam control in turbulent atmosphere

P. Sprangle, J. Penano, Vladimir Markov, Anatoliy Khizhnyak, A. Ting, Bahman Hafizi, C. Davis, L. DeSandre

Proceedings Volume 8535, 85350F (2012) https://doi.org/10.1117/12.974256

KEYWORDS: Atmospheric propagation, Turbulence, Wave propagation, Adaptive optics, Optical proximity correction, Laser beam propagation, Phase conjugation, Beam controllers, Wavefronts, Spatial filters

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Proceedings Article | 5 May 2012 Paper

Possible standoff detection of ionizing radiation using high-power THz electromagnetic waves

Gregory Nusinovich, Phillip Sprangle, Carlos Romero-Talamas, John Rodgers, Ruifeng Pu, Dmytro Kashyn, Thomas Antonsen, Victor Granatstein

Proceedings Volume 8358, 83581L (2012) https://doi.org/10.1117/12.916789

KEYWORDS: Electrons, Terahertz radiation, Ionizing radiation, Standoff detection, Electromagnetic radiation, Ionization, Plasma, Solids, Gamma radiation, Scattering

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Proceedings Article | 13 August 2004 Paper

Remote atmospheric breakdown for standoff detection using intense short laser pulse compression

Antonio Ting, Ilya Alexeev, Daniel Gordon, Eldridge Briscoe, Joseph Penano, Richard Hubbard, Phillip Sprangle, Glenn Rubel

Proceedings Volume 5416, (2004) https://doi.org/10.1117/12.541655

KEYWORDS: Pulsed laser operation, Aerosols, Ultraviolet radiation, Atmospheric propagation, Femtosecond phenomena, Luminescence, Dispersion, Atmospheric particles, Laser energy, Atmospheric sensing

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Proceedings Article | 21 October 1999 Paper

Comparing efficiency of gain generation in Li III 13.5-nm laser with 0.25-um and 1-um subpicosecond pumping pulses

A. Goltsov, Anatoly Morozov, Szymon Suckewer, Raymond Elton, Uri Feldman, K. Krushelnick, Thomas Jones, Christopher Moore, John Seely, Phillip Sprangle, Antonio Ting, Arie Zigler

Proceedings Volume 3776, (1999) https://doi.org/10.1117/12.366661

KEYWORDS: Plasma, Lithium, Electrodes, Optical pumping, Ions, Capacitors, X-ray lasers, Electrons, Pulsed laser operation, Laser induced fluorescence

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Proceedings Article | 15 May 1997 Paper

Compact infrared free-electron lasers based on gyrotron-powered electromagnetic wigglers

Arne Fliflet, Wallace Manheimer, Phillip Sprangle

Proceedings Volume 2988, (1997) https://doi.org/10.1117/12.274384

KEYWORDS: Free electron lasers, Waveguides, Electron beams, Infrared radiation, Electromagnetism, Resonators, Magnetism, Microwave radiation, Medium wave, Infrared lasers

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Proceedings Article | 1 April 1992 Paper

Intense laser pulse propagation, optical guiding, and wakefield generation in plasma

Eric Esarey, Phillip Sprangle, Jonathan Krall, G. Joyce

Proceedings Volume 1629, (1992) https://doi.org/10.1117/12.137156

KEYWORDS: Plasmas, Laser optics, Wave propagation, Pulsed laser operation, Diffraction

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Proceedings Article | 1 December 1991 Paper

Stimulated relativistic harmonic generation from intense laser interactions with beams and plasmas

Phillip Sprangle, Eric Esarey

Proceedings Volume 1552, (1991) https://doi.org/10.1117/12.50601

KEYWORDS: Plasmas, Electron beams, Harmonic generation, Doppler effect, Information operations, Particles, Extreme ultraviolet, Backscatter, Free electron lasers, Fourier transforms

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Proceedings Article | 1 April 1991 Paper

Nonlinear wakefield generation and relativistic optical guiding of intense laser pulses in plasmas

Eric Esarey, Phillip Sprangle, Antonio Ting

Proceedings Volume 1407, (1991) https://doi.org/10.1117/12.43516

KEYWORDS: Pulsed laser operation, Plasmas, Nonlinear optics, Diffraction, Microwave radiation, Particle beams, Refractive index, Refraction, High power lasers, Tellurium

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Proceedings Article | 1 April 1991 Paper

Diffraction effects in directed radiation beams

Bahman Hafizi, Phillip Sprangle

Proceedings Volume 1407, (1991) https://doi.org/10.1117/12.43509

KEYWORDS: Diffraction, Bessel beams, Radio propagation, Gaussian beams, Wave propagation, Radiation effects, Electromagnetism, Particles, Beam propagation method, Directed energy weapons

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Proceedings Article | 1 May 1990 Paper

NIST-NRL free-electron laser facility

Ronald Johnson, Robert Ayres, John Broberg, Roy Cutler, Philip Debenham, B. Carol Johnson, Eric Lindstrom, David Mohr, John Rose, Julian Whittaker, Neil Wilkin, Mark Wilson, Samuel Penner, Cha-Mei Tang, Phillip Sprangle

Proceedings Volume 1227, (1990) https://doi.org/10.1117/12.18598

KEYWORDS: Free electron lasers, Mirrors, Magnetism, Electron beams, Optical resonators, Analytical research, Standards development, Finite element methods, Materials science

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Showing 5 of 26 publications

Proceedings Volume Editor (1)

SPIE Conference Volume | 1 December 1991

Short-Wavelength Radiation Sources

Conference Committee Involvement (1)

Short-Wavelength Radiation Sources

24 July 1991 | San Diego, CA, United States

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