First astronomical images with a multiplexed superconducting bolometer array

Dominic J. Benford; Johannes G. Staguhn; Troy J. Ames; Christine A. Allen; James A. Chervenak; Catherine R. Kennedy; Sebastien Lefranc; Stephen F. Maher; S. Harvey Moseley; François Pajot; Cyrille Rioux; Richard A. Shafer; George M. Voellmer

doi:10.1117/12.672365

6 July 2006 First astronomical images with a multiplexed superconducting bolometer array

Author Affiliations +

Proceedings Volume 6275, Millimeter and Submillimeter Detectors and Instrumentation for Astronomy III; 62751C (2006) https://doi.org/10.1117/12.672365
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

Abstract

We present images taken with the first deployed astronomical instrument to use multiplexed superconducting bolometers. The Fabry-Perot Interferometer Bolometer Research Experiment (FIBRE), a broadband submillimeter spectrometer, took these images as a detector investigation at the Caltech Submillimeter Observatory (CSO). FIBRE's detectors are superconducting bilayer transition edge sensor (TES) bolometers read out by a SQUID multiplexer. An order-sorted Fabry-Perot provides illumination of a 16-element linear bolometer array, resulting in five orders at a spectral resolution of around 1200 covering the 350 micron atmospheric band. We present multiwavelength images of Jupiter, Venus and the high-mass star-forming region G34.3+0.2 taken with this instrument at several wavelengths in the 350 micron band, separated by approximately 8 microns. These images have validated the use of multiplexed superconducting bolometers in an astronomical application and have helped inform the design of our future instruments.

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Dominic J. Benford, Johannes G. Staguhn, Troy J. Ames, Christine A. Allen, James A. Chervenak, Catherine R. Kennedy, Sebastien Lefranc, Stephen F. Maher, S. Harvey Moseley, François Pajot, Cyrille Rioux, Richard A. Shafer, and George M. Voellmer "First astronomical images with a multiplexed superconducting bolometer array", Proc. SPIE 6275, Millimeter and Submillimeter Detectors and Instrumentation for Astronomy III, 62751C (6 July 2006); doi: 10.1117/12.672365; https://doi.org/10.1117/12.672365

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