Dr. Kenneth L. Schepler Profile

Dr. Kenneth L. Schepler

Research Professor at CREOL The College of Optics and Photonics

SPIE Involvement:

Conference Chair | Editor | Author

Area of Expertise:

laser , solid-state , nonlinear optics , transition-metals

Publications (26)

Proceedings Article | 21 February 2020 Presentation + Paper

Crystal host engineering for transition metal lasers

Jonathan Evans, Sean McDaniel, Ronald Stites, Patrick Berry, Gary Cook, Thomas Harris, Kenneth Schepler

Proc. SPIE. 11259, Solid State Lasers XXIX: Technology and Devices

KEYWORDS: Ions, Crystals, Iron, Absorption, Chromium, Laser crystals, Transition metals, Tellurium, Continuous wave operation

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SPIE Journal Paper | 19 November 2018

Practical limits of power transmission through single-mode chalcogenide fibers

Alex Sincore, Justin Cook, Felix Tan, Ayman Abouraddy, Martin Richardson, Kenneth Schepler

OE Vol. 57 Issue 11

KEYWORDS: Optical fibers, Chalcogenides, Glasses, Quantum cascade lasers, Raman spectroscopy, Arsenic, Optical engineering, Nonlinear optics, Single mode fibers, Polishing

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Proceedings Article | 14 May 2018 Presentation

Chalcogenide fibers for improved reliability of active infrared sensing systems (Conference Presentation)

Justin Cook, Alex Sincore, Felix Tan, Ahmed El Halawany, Anthony Riggins, Lawrence Shah, Ayman Abouraddy, Martin Richardson, Kenneth Schepler

Proc. SPIE. 10637, Laser Technology for Defense and Security XIV

KEYWORDS: Optical fibers, Chalcogenides, Sensing systems, Reliability, Infrared detection, Defense and security, Mirrors, Modulators, Infrared sensors, Sensors

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Proceedings Article | 20 February 2018 Paper

Mid-infrared performance of single mode chalcogenide fibers

Justin Cook, Alex Sincore, Felix Tan, Ahmed El Halawany, Anthony Riggins, Lawrence Shah, Ayman Abouraddy, Martin Richardson, Kenneth Schepler

Proc. SPIE. 10513, Components and Packaging for Laser Systems IV

KEYWORDS: Optical fibers, Quantum cascade lasers, Cladding, Polymers, Glasses, Mid-IR, Chalcogenides, Solids, Fiber lasers, Laser systems engineering

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Proceedings Article | 15 February 2018 Presentation + Paper

Re-absorption and nonradiative energy transfer in vibronic laser gain media

Jonathan Evans, Thomas Harris, Eric Turner, Martin Kimani, J. Matthew Mann, Ronald Stites, Gary Cook, Kenneth Schepler

Proc. SPIE. 10511, Solid State Lasers XXVII: Technology and Devices

KEYWORDS: Luminescence, Energy transfer, Systems modeling, Transition metals, Crystals, Mid-IR, Infrared lasers

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SPIE Journal Paper | 13 October 2015

CO₂ sensing with a 1.432 μm Nd:YAlO₃ laser

Simon Vana, William Grossman, Kenneth Schepler, Dennis Killinger, Steven Jarrett, John Black, Larry Myers

OE Vol. 54 Issue 10

KEYWORDS: Carbon monoxide, Absorption, Neodymium, Gas lasers, Carbon dioxide lasers, Atmospheric sensing, Atmospheric laser remote sensing, YAG lasers, Carbon dioxide

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Proceedings Article | 27 February 2015 Paper

Surface characterization studies of orientation patterned ZnSe doped with Cr2+

B. Rami Reddy, Kenneth Schepler, Elizabeth Moore, John Hoelscher, Shiva Vangala, Bruce Claflin, Narsingh Singh, Jonathan Evans, Patrick Berry

Proc. SPIE. 9347, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV

KEYWORDS: Raman spectroscopy, Chromium, Luminescence, Electrons, Statistical analysis, Crystals, Ions, Scanning electron microscopy, Phonons, Selenium

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Proceedings Article | 20 February 2015 Paper

Gain-switched operation of ultrafast laser inscribed waveguides in Cr:ZnSe

Sean McDaniel, Patrick Berry, Kenneth Schepler, John Macdonald, Stephen Beecher, Ajoy Kar

Proc. SPIE. 9342, Solid State Lasers XXIV: Technology and Devices

KEYWORDS: Waveguides, Pulsed laser operation, Waveguide lasers, Ultrafast lasers, Absorption, Continuous wave operation, Wave propagation, Mirrors, Crystals, Sensors

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Proceedings Article | 26 March 2013 Paper

A broadly tunable continuous-wave Fe:ZnSe laser

Jonathan Evans, Patrick Berry, Kenneth Schepler

Proc. SPIE. 8599, Solid State Lasers XXII: Technology and Devices

KEYWORDS: Continuous wave operation, Ions, Mirrors, Optical testing, Quality measurement, Beam quality measurement, Absorption, Tunable lasers, Mid-IR

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Proceedings Article | 26 March 2013 Paper

Gain-switched single-pass Cr:ZnSe amplifier

Sean McDaniel, Patrick Berry, Kenneth Schepler

Proc. SPIE. 8599, Solid State Lasers XXII: Technology and Devices

KEYWORDS: Amplifiers, Optical amplifiers, Crystals, Tunable lasers, Continuous wave operation, Absorption, Mirrors, Q switching, Monochromators

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Proceedings Article | 12 March 2013 Paper

Progress in orientation-patterned GaP for next-generation nonlinear optical devices

V. Tassev, M. Snure, R. Peterson, K. Schepler, R. Bedford, M. Mann, S. Vangala, W. Goodhue, A. Lin, J. Harris, M. Fejer, Peter Schunemann

Proc. SPIE. 8604, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XII

KEYWORDS: Semiconducting wafers, Absorption, Crystals, Wafer bonding, Frequency conversion, Mid-IR, Nonlinear crystals, Gallium arsenide, Quartz, Vapor phase epitaxy

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Proceedings Article | 16 February 2011 Paper

Energy scaling of nanosecond gain-switched Cr2+:ZnSe lasers

V. Fedorov, I. Moskalev, M. Mirov, S. Mirov, T. Wagner, M. Bohn, P. Berry, K. Schepler

Proc. SPIE. 7912, Solid State Lasers XX: Technology and Devices

KEYWORDS: Nd:YAG lasers, Absorption, Raman spectroscopy, Crystals, Pulsed laser operation, Q switched lasers, Reflectivity, Chromium, Ions, Continuous wave operation

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Proceedings Article | 17 February 2010 Paper

Cr[sup]2+[/sup]:ZnSe master oscillator/power amplifier for improved power scaling

Patrick Berry, Kenneth Schepler

Proc. SPIE. 7578, Solid State Lasers XIX: Technology and Devices

KEYWORDS: Amplifiers, Molybdenum, Absorption, Oscillators, Optical amplifiers, Performance modeling, Chromium, Mid-IR, Data modeling, Continuous wave operation

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SPIE Journal Paper | 1 November 2009

Optical probes of orientation-patterned ZnSe quasi-phase-matched devices

Gary Kanner, Mike Marable, Narsingh Singh, Andre Berghmans, David Kahler, Brian Wagner, A. Lin, Martin Fejer, James Harris, Kenneth Schepler

OE Vol. 48 Issue 11

KEYWORDS: Second-harmonic generation, Gallium arsenide, Crystals, Signal attenuation, Frequency conversion, Long wavelength infrared, Infrared radiation, Mid-IR, Optical engineering, Zinc

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Proceedings Article | 24 February 2009 Paper

Calculation of quasi phasematching in optical parametric GaAs/AlGaAs waveguides

Kenneth Schepler, Justin Spring

Proc. SPIE. 7197, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VIII

KEYWORDS: Waveguides, Gallium arsenide, Optical parametric oscillators, Refractive index, Aluminum, Cladding, Interfaces, Nonlinear frequency conversion, Frequency conversion, Second-harmonic generation

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Proceedings Article | 13 February 2008 Paper

Optical probes of orientation-patterned ZnSe quasi-phase-matched devices

G. Kanner, M. Marable, N. Singh, A. Berghmans, D. Kahler, B. Wagner, A. Lin, M. Fejer, J. Harris, K. Schepler

Proc. SPIE. 6875, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VII

KEYWORDS: Second-harmonic generation, Crystals, Gallium arsenide, Signal attenuation, Frequency conversion, Long wavelength infrared, Infrared radiation, Mid-IR, Nonlinear optics, Single crystal X-ray diffraction

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Proceedings Article | 10 May 2007 Paper

Room-temperature, near IR fluorescence of high optical quality KTP

S. Hegde, K. Schepler, R. Peterson, D. Zelmon

Proc. SPIE. 6552, Laser Source Technology for Defense and Security III

KEYWORDS: Luminescence, Ferroelectric materials, Spectroscopy, Crystals, Polishing, Nd:YAG lasers, Optics manufacturing, Second-harmonic generation, Absorption, Photography

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Proceedings Article | 19 February 2007 Paper

Mid-IR transition metal lasers

Kenneth Schepler

Proc. SPIE. 6451, Solid State Lasers XVI: Technology and Devices

KEYWORDS: Chromium, Ions, Transition metals, Crystals, Absorption, Laser development, Laser applications, Iron, Infrared lasers, Infrared radiation

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Proceedings Article | 28 February 2006 Paper

Modeling of time-dependent thermal effects in Cr²⁺-doped zinc selenide thin disks

Patrick Berry, Kenneth Schepler

Proc. SPIE. 6100, Solid State Lasers XV: Technology and Devices

KEYWORDS: Chromium, Thermal modeling, Thermal effects, Zinc, Absorption, Q switching, Pulsed laser operation, Q switched lasers, Solid modeling

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Proceedings Article | 1 June 2005 Paper

Processing technology, laser, optical and thermal properties of ceramic laser gain materials

Mark Dubinskii, Larry Merkle, John Goff, Gregory Quarles, Vida Castillo, Kenneth Schepler, David Zelmon, Shekhar Guha, Leonel Gonzalez, Matthew Rickey, Julie Lee, S. Hegde, John Dumm, Gary Messing, Sang-Ho Lee

Proc. SPIE. 5792, Laser Source and System Technology for Defense and Security

KEYWORDS: Ceramics, Nd:YAG lasers, Neodymium, Absorption, Crystals, YAG lasers, Laser applications, Scattering, Laser processing, Laser damage threshold

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Proceedings Article | 21 February 2005 Paper

Optical properties of Nd-doped ceramic yttrium aluminum garnet

David Zelmon, Kenneth Schepler, Shekhar Guha, Daniel Rush, Shrikrishna Hegde, Leonel Gonzalez, Julie Lee

Proc. SPIE. 5647, Laser-Induced Damage in Optical Materials: 2004

KEYWORDS: Ceramics, Neodymium, YAG lasers, Crystals, Crystallography, Scattering, Thermal optics, Absorption, Doping, Refractive index

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Proceedings Article | 23 March 2000 Paper

Progress in periodic poling of ferroelectrics: real-time visualization of domain formation in periodically poled lithium niobate

Mark Missey, Steve Russell, Vincent Dominic, Robert Batchko, Kenneth Schepler

Proc. SPIE. 3928, Nonlinear Materials, Devices, and Applications

KEYWORDS: Crystals, Visualization, Lithium niobate, Scattering, Video, Polarizers, Light scattering, Photoresist materials, Information visualization, Optical lithography

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Proceedings Article | 23 March 2000 Paper

Elliptical energy scaling with monolithic PPLN OPOs

Mark Missey, Vincent Dominic, Peter Powers, Kenneth Schepler

Proc. SPIE. 3928, Nonlinear Materials, Devices, and Applications

KEYWORDS: Optical parametric oscillators, Crystals, Near field, Laser crystals, Lithium niobate, Nonlinear crystals, Nonlinear optics, Complex systems, Floods, Phase matching

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Proceedings Article | 28 June 1999 Paper

Power and energy scaling for quasi-phase-matched OPOs

Kenneth Schepler, Mark Missey, Ned O'Brien, Peter Powers

Proc. SPIE. 3793, Operational Characteristics and Crystal Growth of Nonlinear Optical Materials

KEYWORDS: Optical parametric oscillators, Crystals, Resonators, Laser crystals, Ferroelectric materials, Semiconducting wafers, Nonlinear crystals, Lithium niobate, Pulsed laser operation, Interfaces

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Proceedings Article | 1 November 1997 Paper

Excited-state absorption and stimulated emission in Cr4+-doped oxide crystals

Stefan Kueck, S. Hartung, Kenneth Schepler, Klaus Petermann, Guenter Huber

Proc. SPIE. 3176, Tunable Solid State Lasers

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Proceedings Article | 17 June 1993 Paper

Passive Q-switching and mode locking of 2-um lasers

Kenneth Schepler, Brian Smith, Frank Heine, Guenter Huber

Proc. SPIE. 1864, Solid State Lasers IV

KEYWORDS: Mode locking, Optical parametric oscillators, Semiconductor lasers, Resonators, Q switches, Solid state lasers, Semiconductors, Mid-IR, Q switched lasers, Modulation

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Showing 5 of 26 publications

Proceedings Volume Editor (7)

SPIE Conference Volume | 14 April 2020

Nonlinear Frequency Generation and Conversion: Materials and Devices XIX

SPIE Conference Volume | 7 June 2019

Nonlinear Frequency Generation and Conversion: Materials and Devices XVIII

SPIE Conference Volume | 14 May 2018

Nonlinear Frequency Generation and Conversion: Materials and Devices XVII

SPIE Conference Volume | 17 May 2017

Nonlinear Frequency Generation and Conversion: Materials and Devices XVI

SPIE Conference Volume | 21 July 2016

Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XV

Showing 5 of 7 publications

Conference Committee Involvement (21)

Nonlinear Frequency Generation and Conversion: Materials and Devices XXI

22 January 2022 | San Francisco, California, United States

Nonlinear Frequency Generation and Conversion: Materials and Devices XX

6 March 2021 | Online Only, California, United States

Nonlinear Frequency Generation and Conversion: Materials and Devices XIX

3 February 2020 | San Francisco, California, United States

Nonlinear Frequency Generation and Conversion: Materials and Devices XVIII

5 February 2019 | San Francisco, California, United States

Nonlinear Frequency Generation and Conversion: Materials and Devices XVII

29 January 2018 | San Francisco, California, United States

Nonlinear Frequency Generation and Conversion: Materials and Devices XVI

30 January 2017 | San Francisco, California, United States

Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XV

15 February 2016 | San Francisco, California, United States

Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV

9 February 2015 | San Francisco, California, United States

Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIII

4 February 2014 | San Francisco, California, United States

Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XII

5 February 2013 | San Francisco, California, United States

Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XI

24 January 2012 | San Francisco, California, United States

Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X

24 January 2011 | San Francisco, California, United States

Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications IX

25 January 2010 | San Francisco, California, United States

Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VIII

27 January 2009 | San Jose, California, United States

Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VII

22 January 2008 | San Jose, California, United States

Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VI

23 January 2007 | San Jose, California, United States

Laser Sources and Enabling Materials

13 June 2006 | Dayton, Ohio, United States

Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications V

25 January 2006 | San Jose, California, United States

Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications IV

26 January 2005 | San Jose, California, United States

Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications III

26 January 2004 | San Jose, Ca, United States

Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications II

27 January 2003 | San Jose, CA, United States

Showing 5 of 21 Conference Committees

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