FIELD: optical instrumentation engineering. SUBSTANCE: sun simulator has three light sources, three two-lens systems, orifice diaphragm, dull plate and two filters with radial change of light transmission. Simulator is used for check of Earth orientation devices in infra-red range of spectrum. EFFECT: extended radiating spectrum, angular size of 32′ of light beam and enhanced radiating power. 3 cl, 3 dwg, 3 tbl
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Authors
Dates
1995-08-20—Published
1992-12-17—Filed