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100 mK bolometers for the submillimetre common-user bolometer array (scuba) I. Design and construction |
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| Authors: | W S Holland P A R Ade M J Griffin I D Hepburn D G Vickers C R Cunningham P R Hastings W K Gear W D Duncan T E C Baillie E E Haller J W Beeman |
| Institution: | 1. Department of Physics, Queen Mary and Westfield College, Mile End Road, E1 4NS, London, United Kingdom 2. Royal Observatory, Blackford Hill, EH9 3HJ, Edinburgh, Scotland, United Kingdom 5. Lawrence Berkeley Laboratory and University of Califonria, 94720, Berkeley, California |
| Abstract: | We describe the design and construction of bolometric detectors for SCUBA - the Submillimetre Common-User Bolometer Array for the James Clerk Maxwell Telescope in Hawaii. The instrument contains 131 individual detectors, in two arrays, optimized for the submillimetre atmospheric transmission windows. The detectors are cooled by dilution refrigeration to a temperature of 100 mK, so that the receiver performance will be limited by photon noise from the sky and telescope background in all wavebands. A future paper will describe the performance of the detectors with reference to typical data obtained during the laboratory commissioning period. |
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