Dr. Jeffrey E. Ungar Profile

Dr. Jeffrey E. Ungar

President & CEO at QPC Lasers Inc

SPIE Involvement:

Conference Program Committee | Author

Publications (18)

PROCEEDINGS ARTICLE | February 15, 2012

Crystalline fiber Ho3+:YAG laser resonantly pumped by high-spectral-brightness laser diodes

Proc. SPIE. 8235, Solid State Lasers XXI: Technology and Devices

KEYWORDS: Mirrors, Output couplers, Crystals, Reflectivity, Fiber lasers, Semiconductor lasers, Diodes, YAG lasers, Laser crystals, Absorption

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PROCEEDINGS ARTICLE | February 9, 2012

High-efficiency high-brightness diode lasers at 1470 nm/1550 nm for medical and defense applications

Proc. SPIE. 8241, High-Power Diode Laser Technology and Applications X

KEYWORDS: Defense and security, Laser therapeutics, Veins, Laser vision correction, Surgery, High power lasers, Laser applications, Laser development, Semiconductor lasers, Diodes

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PROCEEDINGS ARTICLE | April 3, 2010

A GPU-based full-chip inverse lithography solution for random patterns

Proc. SPIE. 7641, Design for Manufacturability through Design-Process Integration IV

KEYWORDS: Lithography, Light sources, Logic, Manufacturing, 3D modeling, Photomasks, Algorithm development, Optimization (mathematics), Semiconducting wafers, Process modeling

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PROCEEDINGS ARTICLE | May 7, 2009

High-power semiconductor lasers at eye-safe wavelengths

Proc. SPIE. 7325, Laser Technology for Defense and Security V

KEYWORDS: Weapons, Fabry–Perot interferometers, LIDAR, High power lasers, Laser applications, Fiber lasers, Semiconductor lasers, Collimation, Diodes

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PROCEEDINGS ARTICLE | May 7, 2009

Ultracompact visible R-G-B lasers for defense applications

Proc. SPIE. 7325, Laser Technology for Defense and Security V

KEYWORDS: Defense and security, Continuous wave operation, High power lasers, Crystals, Laser applications, Laser development, Laser marking, Semiconductor lasers, Diodes, RGB color model

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PROCEEDINGS ARTICLE | February 24, 2009

High-spectral brightness pump sources for diode-pumped solid state lasers

Proc. SPIE. 7198, High-Power Diode Laser Technology and Applications VII

KEYWORDS: Continuous wave operation, High power lasers, Solid state lasers, Fiber lasers, Semiconductor lasers, Diodes, Laser systems engineering, Diode pumped solid state lasers, Absorption

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PROCEEDINGS ARTICLE | February 24, 2009

Reliability of single-mode and multi-mode high-power semiconductor lasers at eye-safe wavelengths

Proc. SPIE. 7198, High-Power Diode Laser Technology and Applications VII

KEYWORDS: Fabry–Perot interferometers, Optical amplifiers, Semiconductor optical amplifiers, High power lasers, Reliability, Laser applications, Semiconductor lasers, Diodes, High power fiber amplifiers, Absorption

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PROCEEDINGS ARTICLE | October 7, 2008

High-power single-mode eye-safe wavelength semiconductor lasers

Proc. SPIE. 7114, Electro-Optical Remote Sensing, Photonic Technologies, and Applications II

KEYWORDS: Near infrared, Fabry–Perot interferometers, Second-harmonic generation, Waveguides, High power lasers, Fiber lasers, Semiconductor lasers, Diodes, Fiber couplers, Nonabsorbing mirrors

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PROCEEDINGS ARTICLE | April 14, 2008

Advances in high-brightness semiconductor lasers

Proc. SPIE. 6952, Laser Source Technology for Defense and Security IV

KEYWORDS: Fabry–Perot interferometers, Second-harmonic generation, Waveguides, High power lasers, Laser applications, Fiber lasers, Semiconductor lasers, Diodes, Fiber couplers, Nonabsorbing mirrors

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PROCEEDINGS ARTICLE | February 13, 2008

Advances in high-brightness semiconductor lasers

Proc. SPIE. 6876, High-Power Diode Laser Technology and Applications VI

KEYWORDS: Fabry–Perot interferometers, Second-harmonic generation, Waveguides, High power lasers, Fiber lasers, Semiconductor lasers, Diodes, Fiber couplers, Fiber coupled lasers, Nonabsorbing mirrors

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PROCEEDINGS ARTICLE | May 10, 2007

High brightness semiconductor lasers at 1300-1600 nm

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

KEYWORDS: Optical design, Fabry–Perot interferometers, High power lasers, Laser development, Semiconductor lasers, Diodes, Er:YAG lasers, Fiber couplers, Laser optics, Fiber coupled lasers

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PROCEEDINGS ARTICLE | May 10, 2007

High brightness semiconductor lasers from 780-1064-nm

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

KEYWORDS: Semiconductors, Near infrared, Waveguides, High power lasers, Fiber lasers, Semiconductor lasers, Diodes, Fiber couplers, High power diode lasers, Nonabsorbing mirrors

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PROCEEDINGS ARTICLE | February 14, 2007

High-brightness semiconductor lasers

Proc. SPIE. 6456, High-Power Diode Laser Technology and Applications V

KEYWORDS: Near infrared, Fabry–Perot interferometers, Waveguides, Fiber Bragg gratings, High power lasers, Laser development, Semiconductor lasers, Diodes, Fiber couplers, Laser optics

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PROCEEDINGS ARTICLE | May 12, 2006

Advances in high-brightness high-power semiconductor lasers

Proc. SPIE. 6216, Laser Source and System Technology for Defense and Security II

KEYWORDS: Mirrors, Fabry–Perot interferometers, Waveguides, Fiber Bragg gratings, High power lasers, Reliability, Laser applications, Semiconductor lasers, Diodes, Laser systems engineering

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PROCEEDINGS ARTICLE | May 12, 2006

Monolithic semiconductor mid-IR optical parametric oscillators with modal phase matching

Proc. SPIE. 6216, Laser Source and System Technology for Defense and Security II

KEYWORDS: Semiconductors, Mid-IR, Continuous wave operation, Optical parametric oscillators, Waveguides, Semiconductor lasers, Phase matching, Nonlinear crystals, Optical semiconductors

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PROCEEDINGS ARTICLE | February 15, 2006

Advances in high brightness semiconductor lasers

Proc. SPIE. 6104, High-Power Diode Laser Technology and Applications IV

KEYWORDS: Mirrors, Fabry–Perot interferometers, Waveguides, Fiber Bragg gratings, High power lasers, Materials processing, Reliability, Semiconductor lasers, Diodes, High power diode lasers

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PROCEEDINGS ARTICLE | September 10, 2005

Advances in semiconductor laser bars and arrays

Proc. SPIE. 5887, Lidar Remote Sensing for Environmental Monitoring VI

KEYWORDS: Mirrors, Waveguides, High power lasers, Materials processing, Reliability, Laser development, Solid state lasers, Semiconductor lasers, Diodes, High power diode lasers

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PROCEEDINGS ARTICLE | June 26, 1992

High-power single-mode strained-layer lasers emitting at 980 nm

Proc. SPIE. 1634, Laser Diode Technology and Applications IV

KEYWORDS: Fiber amplifiers, GRIN lenses, Indium gallium arsenide, High power lasers, Laser applications, Laser development, Reflectivity, Single mode fibers, Fiber lasers, Semiconductor lasers

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Showing 5 of 18 publications

Conference Committee Involvement (2)

Semiconductor Lasers and Applications IV

18 October 2010 | Beijing, China

Semiconductor Lasers and Applications III

12 November 2007 | Beijing, China

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