Heat trap - An optimized far infrared field optics system

Details Heat trap - An optimized far infrared field optics system Heat trap - An optimized far infrared field optics system

Jan 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apopt..15...53h&link_type=abstract

Applied Optics, vol. 15, Jan. 1976, p. 53-60.

Astronomy and Astrophysics

Astronomy

47

Bolometers, Far Infrared Radiation, Infrared Astronomy, Optical Measuring Instruments, Design Analysis, Flux Density, Heat Sinks, Incident Radiation, Mirrors, Submillimeter Waves

Scientific paper

The article deals with the design and performance of a heat trap IR system designed to maximize the concentration and efficient reception of far IR and submillimeter wavelength radiation. The test object is assumed to be extended and/or viewed at wavelengths much longer than the detector, and the entrance aperture is limited to the size of the telescope Airy diffraction disk. The design of lenses, cavity, bolometers, light collectors, and mirrors for the system is discussed. Advantages and feasibility of arrays of heat traps are considered. Beam patterns, flux concentration, and performance variation with wavelength are dealt with. The heat trap is recommended for sensing all types of far IR sources and particularly for extended far IR sources.-

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