FIELD: optico-electron devices for visualization of images in wide region of spectrum. SUBSTANCE: system includes lens 1 with dichroic surface 2, flat dichroic mirror-counterreflector 4 deposited on one side of germanium plano-concave lens 3 installed in sequence. Three-lens compensator 5 (meniscuses 6,7,8) forming image in spectrum region 0.4-0.9 μ is placed at outlet of mirror 4. Surface 2 is concave spherical mirror for spectrum region 8.0-14.0 μ forming afocal telescopic extension piece together with lens 3, meniscus 9 and lens 10 which is optically coupled through rotary mirror 11 and scanning reflector 12 to lens objective 13 forming image in region 8.0-14.0 μ. EFFECT: increased operational reliability. 5 dwg
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Authors
Dates
1997-09-10—Published
1993-06-28—Filed