Dr. Christian K. Keyser Profile

Dr. Christian K. Keyser

at Air Force Research Lab

SPIE Involvement:

Author

Publications (16)

Proceedings Article | 12 April 2021 Presentation + Paper

Quasi-phase-matched electric-field-induced optical parametric amplification in xenon-filled hollow-core fibers

Trevor Courtney, Cesar Lopez-Zelaya, Patrick Hemmer, Rodrigo Amezcua-Correa, Christian Keyser

Proceedings Volume 11724, 117240L (2021) https://doi.org/10.1117/12.2586117

KEYWORDS: Optical fibers, Electrodes, Xenon, Atmospheric modeling, Printing, Photonic crystal fibers, Optical amplifiers, Nonlinear crystals, Modulation, Mid-IR

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SPIE Journal Paper | 29 July 2020 Open Access

Hybrid passive polarimetric imager and lidar combination for material classification

Jarrod P. Brown, Rodney Roberts, Darrell Card, Christian Saludez, Christian Keyser

OE, Vol. 59, Issue 07, 073106, (July 2020) https://doi.org/10.1117/12.10.1117/1.OE.59.7.073106

KEYWORDS: LIDAR, Polarimetry, Imaging systems, Image classification, Signal to noise ratio, Sensors, Machine learning, Reflectivity, Polarization

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Proceedings Article | 23 April 2020 Presentation + Paper

Optical parametric generation in liquid- and gas-filled hollow core fibers

Trevor Courtney, Clay Chester, Christian Keyser

Proceedings Volume 11405, 114050I (2020) https://doi.org/10.1117/12.2557420

KEYWORDS: Xenon, Optical fibers, Electrodes, Liquids, Frequency conversion, Silica, Short wave infrared radiation, Gases, Mid-IR

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Proceedings Article | 22 April 2020 Presentation + Paper

Diagonal Mueller matrix measurements based on a single pulse LiDAR polarimeter

Chad Welsh, Stefano Roccasecca, Khanh Nguyen, Richard Martin, Christian Keyser

Proceedings Volume 11412, 114120I (2020) https://doi.org/10.1117/12.2559117

KEYWORDS: Polarization, Polarimetry, Sensors, Data modeling, Pulsed laser operation, Calibration, LIDAR

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Proceedings Article | 2 May 2019 Presentation + Paper

A fiber Kerr effect polarization state generator for temporally multiplexed polarimetric ladar

Christian Keyser, Khanh Nguyen, Arielle Adams, Demetrios Christodoulides, Helena Lopez-Aviles

Proceedings Volume 11005, 110050X (2019) https://doi.org/10.1117/12.2519137

KEYWORDS: Polarization, Polarimetry, Fiber lasers, Phase modulation, Multiplexing, LIDAR, Pulsed laser operation, Wave plates, Kerr effect

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Proceedings Article | 2 May 2019 Paper

Compact lidar polarimetry via time-varying transmit polarization and an elliptical polarization analyzer

Richard Martin, Christian Keyser

Proceedings Volume 11005, 110050A (2019) https://doi.org/10.1117/12.2518880

KEYWORDS: Sensors, Polarization, Signal to noise ratio, Receivers, LIDAR, Polarimetry, Elliptical polarization, Analytical research, Mueller matrices, Wave plates

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Proceedings Article | 14 May 2018 Presentation + Paper

Single-pulse Mueller matrix polarimeter for rapid scene characterization LADAR

Christian Keyser, Khanh Nguyen, Arielle Adams, Richard Martin

Proceedings Volume 10655, 106550G (2018) https://doi.org/10.1117/12.2305564

KEYWORDS: Polarization, Polarimetry, Data modeling, Signal detection, LIDAR, Sensors, Wave plates, Receivers, Statistical analysis

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Proceedings Article | 14 May 2018 Paper

Anomaly detection of passive polarimetric LWIR augmented LADAR

Jarrod Brown, Rodney Roberts, Chad Welsh, Darrell Card, Christian Keyser

Proceedings Volume 10655, 106550U (2018) https://doi.org/10.1117/12.2305046

KEYWORDS: LIDAR, Target detection, Polarization, Polarimetry, Long wavelength infrared, Sensors, Image processing, Detection and tracking algorithms

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Proceedings Article | 10 May 2018 Presentation + Paper

Temporally multiplexed multispectral ladar with Raman-based waveforms

Luke Ausley, Christian Keyser, Richard Martin

Proceedings Volume 10636, 106360C (2018) https://doi.org/10.1117/12.2316351

KEYWORDS: Signal to noise ratio, Sensors, LIDAR, Multiplexing, Error analysis, Reflectivity, Signal detection, Fiber lasers, Pulsed laser operation, Raman scattering, Multispectral sensing, Multispectral imaging, Hollow waveguides, Transient nonlinear optics

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Proceedings Article | 6 May 2005 Paper

EUV spectroscopy of mass-limited Sn-doped laser micro-plasmas

Simi George, Chiew-Seng Koay, Kazutoshi Takenoshita, Robert Bernath, Moza Al-Rabban, Christian Keyser, Vivek Bakshi, Howard Scott, Martin Richardson

Proceedings Volume 5751, (2005) https://doi.org/10.1117/12.596781

KEYWORDS: Tin, Plasma, Extreme ultraviolet, Spectroscopy, Ions, Spectrometers, Solids, Pulsed laser operation, Extreme ultraviolet lithography, Lithium

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Proceedings Article | 6 May 2005 Paper

Radiation transport modeling for Xe and Sn-doped droplet laser-plasma sources

Moza Al-Rabban, Christian Keyser, Simi George, Howard Scott, Vivek Bakshi, Martin Richardson

Proceedings Volume 5751, (2005) https://doi.org/10.1117/12.596767

KEYWORDS: Plasma, Tin, Ions, Xenon, Extreme ultraviolet, Pulsed laser operation, Extreme ultraviolet lithography, Data modeling, Optical simulations, Spherical lenses

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Proceedings Article | 20 May 2004 Paper

Laser plasma EUVL sources: progress and challenges

Martin Richardson, Chiew-Seng Koay, Kazutoshi Takenoshita, C. Keyser, S. George, Somsak Teerawattansook, Moza Al-Rabban, H. Scott

Proceedings Volume 5374, (2004) https://doi.org/10.1117/12.541586

KEYWORDS: Plasma, Tin, Ions, Mirrors, Xenon, Extreme ultraviolet lithography, Atmospheric particles, Extreme ultraviolet, Spectrometers, Oxygen

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Proceedings Article | 7 January 2004 Paper

High-efficiency tin-based EUV sources

Martin Richardson, Chiew-Seng Koay, Christian Keyser, Kazutoshi Takenoshita, Etsuo Fujiwara, Moza Al-Rabban

Proceedings Volume 5196, (2004) https://doi.org/10.1117/12.514083

KEYWORDS: Plasma, Extreme ultraviolet, Ions, Mirrors, Tin, Xenon, Pulsed laser operation, Sensors, Spectroscopy, Reflectivity

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Proceedings Article | 16 June 2003 Paper

High-conversion-efficiency tin material laser-plasma source for EUVL

Chiew-Seng Koay, Christian Keyser, K. Takenoshita, Etsuo Fujiwara, Moza Al-Rabban, Martin Richardson, I. C. Edmond Turcu, Harry Rieger, A. Stone, James Morris

Proceedings Volume 5037, (2003) https://doi.org/10.1117/12.504572

KEYWORDS: Plasma, Tin, Extreme ultraviolet, Extreme ultraviolet lithography, Pulsed laser operation, Mirrors, Sensors, Laser development, Reflectivity, Optical filters

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Proceedings Article | 13 September 2002 Paper

Dynamics of high-repetition-rate laser plasma extreme ultraviolet sources from droplet targets

Christian Keyser, Martin Richardson, I. C. Edmond Turcu

Proceedings Volume 4760, (2002) https://doi.org/10.1117/12.482117

KEYWORDS: Plasma, Extreme ultraviolet, Pulsed laser operation, Optical simulations, Mirrors, Oxygen, Ions, Prisms, Interferometry, X-rays

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Proceedings Article | 14 November 2001 Paper

Laser light coupling physics in high-repetition-rate laser-plasma droplet-target x-ray point sources

Christian Keyser, Robert Bernath, Martin Richardson

Proceedings Volume 4504, (2001) https://doi.org/10.1117/12.448478

KEYWORDS: Plasma, Pulsed laser operation, Optical simulations, Physics, X-rays, Mirrors, Laser applications, Optical diagnostics, X-ray sources, Extreme ultraviolet

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Showing 5 of 16 publications

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