A calibrator for low background infrared bolometers

Details A calibrator for low background infrared bolometers A calibrator for low background infrared bolometers

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986infph..26..325m&link_type=abstract

Infrared Physics (ISSN 0020-0891), vol. 26, Sept. 1986, p. 325-332. Research supported by Universita di Roma II and CNR.

Astronomy and Astrophysics

Astronomy

1

Black Body Radiation, Bolometers, Calibrating, Cryogenic Equipment, Infrared Astronomy, Infrared Detectors, Bessel Functions, Liquid Helium

Scientific paper

A calibration system is described which is suitable for measuring, under laboratory conditions, the optical responsivity of infrared cryogenic bolometers developed for low background purposes, such as infrared astronomy from balloon or satellite platforms. The system consists of a series of diaphrams which reduce the optical throughput of the instrument by a known amount. In this way both a background simulating the inflight conditions and a calibration signal are generated using the ambient temperature blackbody radiation. The design, practical realization, and application of a calibrator of this kind are described.

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