A Broadband Submillimeter Spectrometer using Transition Edge Sensor Bolometers

Details A Broadband Submillimeter Spectrometer using Transition Edge Sensor Bolometers A Broadband Submillimeter Spectrometer using Transition Edge Sensor Bolometers

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...197.5303b&link_type=abstract

American Astronomical Society, 197th AAS Meeting, #53.03; Bulletin of the American Astronomical Society, Vol. 32, p.1492

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We present the design and testing of a submillimeter spectrometer based on a helium-cooled scanning Fabry-Perot and superconducting transition edge sensor bolometers. The Fabry-Perot uses a low resolution grating to order sort the incoming light. A linear bolometer array consisting of 16 elements detects this dispersed light, capturing 5 orders simultaneously from one position on the sky. With tuning of the Fabry-Perot over one free spectral range, a spectrum covering Δ λ /λ =1/7 at a resolution of δ λ /λ ~1/1500 can be acquired. Made for operation in the 350μ m and 450μ m bands, this spectrometer will be used at the Caltech Submillimeter Observatory in 2001.

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