Principles of stray light suppression and conceptual application to the design of the Diffuse Infrared Background Experiment for NASA's Cosmic Background Explorer

Details Principles of stray light suppression and conceptual application to the design of the Diffuse Infrared Background Experiment for NASA's Cosmic Background Explorer Principles of stray light suppression and conceptual application to the design of the Diffuse Infrared Background Experiment for NASA's Cosmic Background Explorer

Jan 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983spie..384...82e&link_type=abstract

IN: Generation, measurement and control of stray radiation III; Proceedings of the Meeting, Los Angeles, CA, January 18, 19, 198

Physics

6

Background Radiation, Diffuse Radiation, Galactic Radiation, Infrared Detectors, Spacecraft Instruments, Antireflection Coatings, Baffles, Elimination, Paraboloid Mirrors, Photometers, Solar Radiation, Terrestrial Radiation, Wave Diffraction

Scientific paper

The Diffuse Infrared Background Experiment (DIRBE) is a 10 band filter photometer that will operate at superfluid helium temperatures. Diffuse galactic and extragalactic infrared radiation in the 1-300 micrometer wavelength region will be measured by the instrument. Polarization measurements will be made for 3 bands in the 1-4 micrometer spectral region. The main sources of unwanted radiation are the sun, earth, thermal radiation from an external sun shield, the moon, the brighter planets and stars, and sky light itself from outside the instrument's nominal one degree square field of view. The system level engineering concepts and the principles of stray light suppression that resulted in the instrument design are presented.

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