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A progress report on using bolometers cooled by adiabatic demagnetization refrigeration (1989)

Roellig, T. ; Savage, M. ; Werner, Michael W. ; [et al.]

In: CASI

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Publication Date: 2013-08-31

Description: For sensitive detection of astronomical continuum radiation in the 200 micron to 3 mm wavelength range, bolometers are presently the detectors of choice. In order to approach the limits imposed by photon noise in a cryogenically cooled telescope in space, bolometers must be operated at temperatures near 0.1 K. Researchers report progress in building and using bolometers that operate at these temperatures. The most sensitive bolometer had an estimated noise equivalent power (NEP) of 7 x 10(exp 017) W Hz(exp -1/2). Researchers also briefly discuss the durability of paramagnetic salts used to cool the bolometers.

Keywords: INSTRUMENTATION AND PHOTOGRAPHY

Type: Proceedings of the Third Infrared Detector Technology Workshop; p 45-57

Format: application/pdf

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