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Laser-beam power for lunar and space applicationsPhotovoltaic properties of GaAlAs/GaAs heteroface converters were measured using a 0.81-micron diode laser. Results indicate that the converters under consideration are promising devices for converting diode-laser radiation to electricity. Conversion efficiency as high as 45 percent has been obtained using GaAs devices, while Si converters of the SSF type give efficiencies up to 34.2 percent.
Document ID
19930060893
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Walker, Gilbert H. (NASA Langley Research Center Hampton, VA, United States)
Williams, Michael D. (NASA Langley Research Center Hampton, VA, United States)
Schuster, Gregory L. (NASA Langley Research Center Hampton, VA, United States)
Iles, Peter A. (Applied Solar Energy Corp. City of Industry, CA, United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1992
Publication Information
Publisher: American Society of Mechanical Engineers
Subject Category
Energy Production And Conversion
Accession Number
93A44890
Distribution Limits
Public
Copyright
Other

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