Prof. Randall J. Knize Profile

Prof. Randall J. Knize

Director of Laser Ctr/Prof at US Air Force Academy

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Author

Publications (35)

Proceedings Article | 20 August 2020 Presentation + Paper

Enhancement of exciton emission in a semiconductor thin film decorated with plasmonic nanoparticles

Viktoriia Savchuk, Pavlo Pinchuk, Randall Knize, Anatoliy Pinchuk

Proceedings Volume 11462, 114620N (2020) https://doi.org/10.1117/12.2566524

KEYWORDS: Nanoparticles, Quantum efficiency, Plasmonics, Silver, Gold, Luminescence

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Proceedings Article | 9 October 2018 Presentation + Paper

Lasing degradation effects in diode-pumped alkali lasers

B. Zhdanov, M. Rotondaro, M. Shaffer, R. Knize

Proceedings Volume 10798, 1079807 (2018) https://doi.org/10.1117/12.2327028

KEYWORDS: Alkali metals, Cesium, Chemical species, Methane, Combustion, Semiconductor lasers, Contamination, Temperature metrology, Luminescence, Potassium

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Proceedings Article | 14 May 2018 Presentation

Potassium diode pumped alkali laser performance study using He, Ar, CH4 and C2H6 as buffer gas (Conference Presentation)

Boris Zhdanov, Matthew Rotondaro, Michael Shaffer, Randall Knize

Proceedings Volume 10637, 1063710 (2018) https://doi.org/10.1117/12.2309787

KEYWORDS: Potassium, Argon, Helium, Diodes, Semiconductor lasers, Methane, Chemical species, Continuous wave operation, Pulsed laser operation, Ionization

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Proceedings Article | 26 October 2017 Presentation + Paper

New results for temperature rise in gain medium of operating DPAL causing its degradation

B. Zhdanov, M. Rotondaro, M. Shaffer, R. Knize

Proceedings Volume 10436, 104360B (2017) https://doi.org/10.1117/12.2278775

KEYWORDS: Semiconductor lasers, Diodes, Potassium, Carbon monoxide

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Proceedings Article | 21 October 2016 Presentation + Paper

Thermal effects in Cs DPAL and alkali cell window damage

B. Zhdanov, M. Rotondaro, M. Shaffer, R. Knize

Proceedings Volume 9990, 99900C (2016) https://doi.org/10.1117/12.2242166

KEYWORDS: Temperature metrology, Thermal effects, Cesium, Semiconductor lasers, Pulsed laser operation, Methane, Video, Carbon, Cameras, Visualization

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Proceedings Article | 22 April 2016 Paper

Operation of static and flowing Cs DPAL with different buffer gas mixtures

R. Knize, B. Zhdanov, M. Rotondaro, M. Shaffer

Proceedings Volume 9729, 972903 (2016) https://doi.org/10.1117/12.2212880

KEYWORDS: Cesium, Chemical weapons, Gases, Methane, Noble gases, Argon, Gas lasers, Chemical lasers, Continuous wave operation, Chemical species, Laser resonators, Semiconductor lasers, Rubidium

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SPIE Journal Paper | 18 March 2016

Experimental study of the Cs diode pumped alkali laser operation with different buffer gases

Randall Knize, Boris Zhdanov, Matthew Rotondaro, Michael Shaffer

OE, Vol. 55, Issue 03, 036109, (March 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.3.036109

KEYWORDS: Cesium, Semiconductor lasers, Methane, Argon, Gases, Diodes, Continuous wave operation, Absorption, Noble gases, Chemical species

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SPIE Journal Paper | 2 February 2016

Low-pressure cesium and potassium diode pumped alkali lasers: pros and cons

Boris Zhdanov, Matthew Rotondaro, Michael Shaffer, Randall Knize

OE, Vol. 55, Issue 02, 026105, (February 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.2.026105

KEYWORDS: Potassium, Cesium, Semiconductor lasers, Diodes, Continuous wave operation, Pulsed laser operation, Rubidium, Laser resonators, Laser beam diagnostics

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Proceedings Article | 27 October 2015 Paper

Low pressure cesium and potassium Diode Pumped Alkali Lasers: pros and cons

Boris Zhdanov, Matthew Rotondaro, Michael Shaffer, Randall Knize

Proceedings Volume 9650, 96500D (2015) https://doi.org/10.1117/12.2194318

KEYWORDS: Potassium, Cesium, Semiconductor lasers, Continuous wave operation, Pulsed laser operation, Rubidium, Laser resonators, Diodes, Laser beam diagnostics

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Proceedings Article | 27 October 2015 Paper

Modeling of pulsed K DPAL taking into account the spatial variation of the pump and laser intensities in the transverse direction

Boris Barmashenko, Ilya Auslender, Salman Rosenwaks, Boris Zhdanov, Matthew Rotondaro, Randall Knize

Proceedings Volume 9650, 96500B (2015) https://doi.org/10.1117/12.2193579

KEYWORDS: Lasers, Chemical species, Absorption, Pulsed laser operation, Temperature metrology, Laser damage threshold, Beam shaping, Laser resonators, Reflectivity, Laser applications

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Proceedings Article | 7 October 2014 Paper

Study of potassium DPAL operation in pulsed and CW mode

Boris Zhdanov, Matthew Rotondaro, Michael Schaffer, Randall Knize

Proceedings Volume 9251, 92510Y (2014) https://doi.org/10.1117/12.2074414

KEYWORDS: Potassium, Semiconductor lasers, Pulsed laser operation, Cesium, Rubidium, Continuous wave operation, Ionization, Laser optics, Gas lasers

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Proceedings Article | 15 October 2013 Paper

DPAL: historical perspective and summary of achievements

B. Zhdanov, R. Knize

Proceedings Volume 8898, 88980V (2013) https://doi.org/10.1117/12.2033923

KEYWORDS: Cesium, Semiconductor lasers, Rubidium, Optical pumping, Absorption, Pulsed laser operation, Diodes, Laser resonators, Laser development, High power lasers

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SPIE Journal Paper | 5 October 2012 Open Access

Review of alkali laser research and development

Boris Zhdanov, Randall Knize

OE, Vol. 52, Issue 2, 021010, (October 2012) https://doi.org/10.1117/12.10.1117/1.OE.52.2.021010

KEYWORDS: Cesium, Semiconductor lasers, Laser development, Rubidium, Pulsed laser operation, Optical pumping, Laser resonators, Mirrors, High power lasers, Continuous wave operation

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Proceedings Article | 5 October 2011 Paper

Diode pumped alkali lasers

B. Zhdanov, R. Knize

Proceedings Volume 8187, 818707 (2011) https://doi.org/10.1117/12.897533

KEYWORDS: Cesium, Semiconductor lasers, Rubidium, Diodes, Optical pumping, Pulsed laser operation, Mirrors, High power lasers, Potassium, Laser resonators

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Proceedings Article | 18 February 2011 Paper

Demonstration of a diode pumped continuous wave potassium laser

Boris Zhdanov, Michael Shaffer, Randall Knize

Proceedings Volume 7915, 791506 (2011) https://doi.org/10.1117/12.871599

KEYWORDS: Potassium, Semiconductor lasers, Diodes, Cesium, Rubidium, Laser resonators, Helium, Continuous wave operation, Polarization, Gas lasers

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Proceedings Article | 5 November 2010 Paper

Performance comparison of nonlinear crystals for frequency doubling of an 894nm Cs vapor laser

B. Zhdanov, M. Shaffer, Y. Lu, B. Naumann, T. Genda, R. Knize

Proceedings Volume 7846, 78460B (2010) https://doi.org/10.1117/12.871808

KEYWORDS: Nonlinear crystals, Crystals, Cesium, Second-harmonic generation, Continuous wave operation, Laser crystals, Harmonic generation, Mirrors, Modes of laser operation

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Proceedings Article | 17 May 2010 Paper

Alkali lasers: a new type of scalable high-power lasers

B. Zhdanov, M. Shaffer, R. Knize

Proceedings Volume 7721, 77211V (2010) https://doi.org/10.1117/12.853409

KEYWORDS: Cesium, Semiconductor lasers, Rubidium, Mirrors, Optical pumping, Diodes, Optical amplifiers, High power lasers, Continuous wave operation, Laser development

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Proceedings Article | 18 February 2010 Paper

Scaling of diode-pumped Cs laser: transverse pump, unstable cavity, MOPA

B. Zhdanov, M. Shaffer, R. Knize

Proceedings Volume 7581, 75810F (2010) https://doi.org/10.1117/12.839466

KEYWORDS: Semiconductor lasers, Cesium, Optical amplifiers, Resonators, Laser resonators, Diodes, Oscillators, Optical pumping, Continuous wave operation, High power lasers

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Proceedings Article | 20 February 2009 Paper

Transverse-pumped Cs vapor laser

B. Zhdanov, M. Shaffer, J. Sell, R. Knize

Proceedings Volume 7196, 71960F (2009) https://doi.org/10.1117/12.808264

KEYWORDS: Cesium, Semiconductor lasers, Reflectors, Pulsed laser operation, Laser optics, Laser resonators, Diodes, Continuous wave operation, Temperature metrology, Laser development

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Proceedings Article | 5 June 2008 Paper

Advanced diode-pumped alkali lasers

B. Zhdanov, R. Knize

Proceedings Volume 7022, 70220J (2008) https://doi.org/10.1117/12.803936

KEYWORDS: Cesium, Semiconductor lasers, Potassium, Mirrors, Optical pumping, Absorption, Laser development, Laser resonators, Chemical species, Rubidium

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Proceedings Article | 12 May 2008 Paper

Alkali lasers development at Laser and Optics Research Center of the U.S. Air Force Academy

B. Zhdanov, R. Knize

Proceedings Volume 7005, 700524 (2008) https://doi.org/10.1117/12.782846

KEYWORDS: Cesium, Semiconductor lasers, Rubidium, Laser optics, Mirrors, Laser development, Potassium, Output couplers, Laser resonators, Absorption

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Proceedings Article | 21 February 2008 Paper

Progress in alkali lasers development

B. Zhdanov, R. Knize

Proceedings Volume 6874, 68740F (2008) https://doi.org/10.1117/12.769064

KEYWORDS: Cesium, Rubidium, Semiconductor lasers, Laser development, Continuous wave operation, Mirrors, Output couplers, Laser resonators, High power lasers, Diodes

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Proceedings Article | 19 June 2007 Paper

Optically pumped alkali lasers

Boris Zhdanov, Thomas Ehrenreich, Randall Knize

Proceedings Volume 6537, 653702 (2007) https://doi.org/10.1117/12.753906

KEYWORDS: Cesium, Semiconductor lasers, Potassium, Optical pumping, Laser resonators, Mirrors, Laser development, Diffraction gratings, High power lasers, Absorption

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Proceedings Article | 14 February 2007 Paper

A laser diode array pumped cesium vapor laser

Boris Zhdanov, Thomas Ehrenreich, Randall Knize

Proceedings Volume 6454, 64540M (2007) https://doi.org/10.1117/12.696658

KEYWORDS: Semiconductor lasers, Cesium, Absorption, Diffraction gratings, Laser development, Laser optics, Continuous wave operation, Holography, Optical pumping, Laser resonators

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Proceedings Article | 23 February 2006 Paper

Highly efficient cesium vapor laser

T. Ehrenreich, B. Zhdanov, R. Knize

Proceedings Volume 6101, 610122 (2006) https://doi.org/10.1117/12.645424

KEYWORDS: Cesium, Semiconductor lasers, High power lasers, Optical pumping, Reflectivity, Fiber lasers, Laser resonators, Mirrors, Laser applications, Chemical oxygen iodine lasers

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Proceedings Article | 18 December 2002 Paper

Large-diameter holographically corrected membrane telescope

Geoff Andersen, Randall Knize, Arthur Palisoc, Costas Cassapakis

Proceedings Volume 4849, (2002) https://doi.org/10.1117/12.460451

KEYWORDS: Mirrors, Holography, Holograms, Space telescopes, Telescopes, Diffraction, 3D image reconstruction, Collimators, Point spread functions, Image resolution

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SPIE Journal Paper | 1 July 2002

Large-aperture, holographically corrected membrane telescope

Geoff Andersen, Randall Knize, Arthur Palisoc, Costas Cassapakis

OE, Vol. 41, Issue 07, (July 2002) https://doi.org/10.1117/12.10.1117/1.1481510

KEYWORDS: Mirrors, Holograms, Holography, Telescopes, Space telescopes, 3D image reconstruction, Point spread functions, Image resolution, Reflectivity, Image processing

Proceedings Article | 19 September 2001 Paper

Holographic Raman/Rayleigh lidar for all-atmosphere thermal profiles

Anthony Dills, Geoff Andersen, Randall Knize

Proceedings Volume 4377, (2001) https://doi.org/10.1117/12.440107

KEYWORDS: Holographic optical elements, LIDAR, Optical fibers, Holography, Molecules, Telescopes, Nitrogen, Raman spectroscopy, Laser scattering, Raman scattering

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Proceedings Article | 5 September 2000 Paper

Daytime holographic Raman lidar system

Jay Brasseur, Geoff Andersen, Paul Haris, Randall Knize

Proceedings Volume 4035, (2000) https://doi.org/10.1117/12.397798

KEYWORDS: Holographic optical elements, LIDAR, Raman spectroscopy, Holography, Raman scattering, Nitrogen, Oxygen, Scattering, Holograms, Laser scattering

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Proceedings Article | 28 July 2000 Paper

Holographically corrected telescope with temporal update

Geoff Andersen, Randall Knize

Proceedings Volume 4013, (2000) https://doi.org/10.1117/12.393997

KEYWORDS: Space telescopes, Holography, Telescopes, Holograms, Mirrors, Monochromatic aberrations, Optical instrument design, Diffraction, Adaptive optics, Optical design

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Proceedings Article | 16 June 2000 Open Access

Undergraduate laser and optical physics laboratory course at the U.S. Air Force Academy

Randall Knize, W. Roc White, Boris Zhdanov

Proceedings Volume 3831, (2000) https://doi.org/10.1117/12.388726

KEYWORDS: Laser optics, Physics, Crystals, Carbon dioxide lasers, Harmonic generation, Nd:YAG lasers, Q switched lasers, Nonlinear crystals, Polarization, Optical correlators

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Proceedings Article | 19 July 1999 Paper

Holographically corrected telescope for high-bandwidth optical communications

Geoff Andersen, Randall Knize

Proceedings Volume 3749, (1999) https://doi.org/10.1117/12.354763

KEYWORDS: Space telescopes, Telescopes, Holograms, Holography, Optical communications, Diffraction, Signal to noise ratio, Satellite communications, Mirrors, Reflector telescopes

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Proceedings Article | 20 October 1998 Paper

Large holographically corrected space telescopes

Geoff Andersen, W. Roc White, Randall Knize

Proceedings Volume 3432, (1998) https://doi.org/10.1117/12.327978

KEYWORDS: Space telescopes, Telescopes, Holography, Holograms, Mirrors, Monochromatic aberrations, Collimation, Optical instrument design, Diffraction, Astronomical telescopes

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Proceedings Article | 28 August 1998 Paper

Holographically corrected telescopes

Geoff Andersen, Randall Knize

Proceedings Volume 3356, (1998) https://doi.org/10.1117/12.324495

KEYWORDS: Space telescopes, Telescopes, Mirrors, Holography, Holograms, Collimation, Spherical lenses, 3D image reconstruction, Wavefronts, Astronomical telescopes

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Proceedings Article | 13 October 1997 Paper

Holographic microscopes

Geoff Andersen, Donald Erbschloe, Randall Knize

Proceedings Volume 3132, (1997) https://doi.org/10.1117/12.279096

KEYWORDS: Microscopes, Holograms, Holography, Objectives, Holographic optical elements, Diffraction, Spatial filters, Micromachining, 3D image reconstruction, Monochromatic aberrations

Showing 5 of 35 publications

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