Dr. Harold E. Hager Profile

Dr. Harold E. Hager

Principal Lead Engineer at Boeing Co

SPIE Involvement:

Author

Proceedings Article | 26 May 2011 Paper

Wireless optical links for avionics applications

Eric Chan, Dennis Koshinz, William Krug, Harold Hager

Proceedings Volume 8026, 80260M (2011) https://doi.org/10.1117/12.886858

KEYWORDS: Free space optics, Light emitting diodes, Optical communications, Stars, Receivers, Laser optics, Light sources and illumination, Telecommunications, Eye, Wireless communications

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Proceedings Article | 20 April 2010 Paper

Hermetic fiber optic modules for avionics applications

Eric Chan, Alex Kazemi, Dennis Koshinz, Harold Soares, Harold Hager

Proceedings Volume 7675, 76750A (2010) https://doi.org/10.1117/12.852464

KEYWORDS: Fiber optics, Transmitters, Receivers, Commercial off the shelf technology, Semiconductor lasers, Fiber lasers, Laser packaging, Laser development, Packaging, X-ray imaging

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Proceedings Article | 29 April 2009 Paper

Low-cost high data rate white LED (WLED) transceiver development

Eric Chan, Dennis Koshinz, William Krug, Harold Hager

Proceedings Volume 7314, 73140J (2009) https://doi.org/10.1117/12.821115

KEYWORDS: Light emitting diodes, Transceivers, Wireless communications, Free space optics, Light sources and illumination, Receivers, Blue light emitting diodes, Phase only filters, Electromagnetic coupling, Free space

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Proceedings Article | 10 April 1996 Paper

VCSEL optical subassembly for avionics fiber optic modules

Harold Hager, Eric Chan, Mark Beranek, Chi-Shain Hong

Proceedings Volume 2683, (1996) https://doi.org/10.1117/12.237680

KEYWORDS: Vertical cavity surface emitting lasers, Fiber optics, Temperature metrology, Aerospace engineering, Semiconductor lasers, Reliability, Avionic systems, Transmitters, Optoelectronics

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Proceedings Article | 29 March 1996 Paper

Universal detachable optical connector for military and commercial aerospace fiber optic modules

Michael Orr, Jim Hartley, Mark Beranek, Eric Chan, Harold Hager, Chi-Shain Hong

Proceedings Volume 2691, (1996) https://doi.org/10.1117/12.236916

KEYWORDS: Connectors, Fiber optics, Aerospace engineering, Local area networks, Ceramics, Transmitters, Receivers, Transceivers, Optical fiber cables, Packaging

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Proceedings Article | 15 September 1993 Paper

Space-environment simulation studies by MeV proton irradiation of two new quantum-well-based fiber optic light sources

Bruce Evans, Harold Hager, Barrie Hughlock

Proceedings Volume 1953, (1993) https://doi.org/10.1117/12.156565

KEYWORDS: Quantum wells, Light emitting diodes, Semiconductor lasers, Gallium arsenide, Photonics, Fiber optics, Laser damage threshold, Laser optics, Light sources, Particles

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Proceedings Article | 8 September 1993 Paper

Radiation effect in quantum well optoelectronic devices

Bruce Evans, Harold Hager, Barrie Hughlock, Eric Chan

Proceedings Volume 10272, 102720E (1993) https://doi.org/10.1117/12.181369

KEYWORDS: Light emitting diodes, Gallium arsenide, Semiconductor lasers, Laser damage threshold, Reliability, Optical testing, Heterojunctions, Fiber optics, Quantum wells, Optoelectronic devices

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Proceedings Article | 25 February 1993 Paper

Effects of 5.5-MeV proton irradiation on reliability of a strained-quantum-well laser diode and a multiple-quantum-well broadband light-emitting diode

Bruce Evans, C. Gossett, Harold Hager, Chi-Shain Hong, Barrie Hughlock

Proceedings Volume 1791, (1993) https://doi.org/10.1117/12.141166

KEYWORDS: Light emitting diodes, Quantum wells, Semiconductor lasers, Reliability, Laser optics, Gallium arsenide, Sensors, Heterojunctions, Particles, Laser damage threshold

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Proceedings Article | 26 June 1992 Paper

Design of InGaAs strained quantum-well lasers for high-temperature operation

Pamela Derry, Richard Fu, Chi-Shain Hong, Eric Chan, K. Chiu, Harold Hager, Luis Figueroa

Proceedings Volume 1634, (1992) https://doi.org/10.1117/12.59169

KEYWORDS: Laser damage threshold, Reflectivity, Semiconductor lasers, Quantum wells, Gallium arsenide, Laser applications, Temperature metrology, Laser resonators, GRIN lenses, Indium gallium arsenide

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Proceedings Article | 1 July 1991 Paper

Optoelectronic devices for fiber-optic sensor interface systems

Chi-Shain Hong, Harold Hager, Barbara Capron, Joseph Mantz, Mark Beranek, Raymond Huggins, Eric Chan, Mark Voitek, David Griffith, Darrell Livezey, Bruce Scharf

Proceedings Volume 1418, (1991) https://doi.org/10.1117/12.43803

KEYWORDS: Spectrographs, Light emitting diodes, Interfaces, Wavelength division multiplexing, Sensors, Fiber optics sensors, Quantum wells, Diffraction gratings, Holography, Waveguides

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Showing 5 of 10 publications

Conference Committee Involvement (5)

Photonic Applications for Aerospace, Transportation, and Harsh Environment III

23 April 2012 | Baltimore, Maryland, United States

Photonic Applications for Aerospace, Transportation, and Harsh Environment II

25 April 2011 | Orlando, Florida, United States

Photonics in the Transportation Industry: Auto to Aerospace III

5 April 2010 | Orlando, Florida, United States

Photonics in the Transportation Industry: Auto to Aerospace II

13 April 2009 | Orlando, Florida, United States

Photonics in the Transportation Industry: Auto to Aerospace

10 September 2007 | Boston, MA, United States

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