Keywords: *COST ANALYSIS; *COST ESTIMATES; *ENERGY CONVERSION; *SYSTEMS ENGINEERING; COST EFFECTIVENESS; ELECTRICAL ENGINEERING; ENERGY TECHNOLOGY Subject Classification: 7544 Energy Production & Conversion (197 5-) COSATI Code: 10A Conversion Techniques Interferometric investigation of a diode laser source. CREATH, K. (Arizona, University, Tucson, AZ) Applied Optics (ISSN 0003-6935), vol. 24, May 1, 1985, p. 1291-1293. 9 Refs. Language: Eng 1i sh. Country of Origin: United States. Country of Publication: United S t at es Document Type: JOURNAL ARTICLE Most documents available from AIAA Technical Library Journal Announcement: IAA8514 Diode lasers provide a coherent light source in the near IR. They have many desirable characteristics, such as small size, high efficiency, and a single-1ongitudinal mode output as large as 15 mW, and they can be modulated at high pulse rates. An AlGaAs diode laser operating at 840 nm with an output of 5 mW was evaluated with a Smartt point-diffraction interferometer. The wave front observed had astigmatism of about 2 wavelengths present over the output beam divergence angle. In a modified Twyman-Green interferometer, the coherence length measured was greater than 15 m with high visibility fringes. This source was found to be stable and highly linearly polarized. When used as an interferometric source, many possibilities for small scale interferometers and test equipment are now viable. (Author) Source of Abstract (Subfile): AIAA/TIS Keywords: *ALUMINUM GALLIUM ARSENIDES; *GALLIUM ARSENIDE LASERS; *HETER0JUNCTION DEVICES; *INFRARED LASERS; *LASER INTERFEROMETRY; *SEMICONDUCTOR DIODES; ENERGY CONVERSION EFFICIENCY; LASER MODES; LASER OUTPUTS; LINEAR POLARIZATION; NEAR INFRARED RADIATION Subject Classification: 7536 Lasers L Masers (1975-) GaAlAs-GaAs solar cell development: Prospective for space applications under concentration. THEREZ, F. ; CHIKOUCHE, A.; ALCUBILLA, R.; BIELLE- DASPET, D.; ROUX, M. (ONERA, Toulouse); REULET, R. (ONERA, Toulouse) Centre National de la Recherche Scientifique, Toulouse (France). Lab. d Automatique et d'Analyse des Systemes. Corp. Source Code: CL847343 In ESA Photovoltaic Generators in Space p 95-99 (SEE N85- 22565 13-20). Nov. 1984. Contract No.: CNRS-3870.01 Language: Eng1i sh. Country of Origin: France. Country of Publication: International Organ!zati on Document Type: CONFERENCE PAPER Most documents available from AIAA Technical Library
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