Hunt, Cynthia L. and Bock, James J. and Day, Peter K. and Goldin, Alexey and Lange, Andrew E. and LeDuc, Henry G. and Vayonakis, Anastasios and Zmuidzinas, Jonas (2003) Transition-edge superconducting antenna-coupled bolometer. In: Millimeter and Submillimeter Detectors for Astronomy. Proceedings of SPIE. No.4855. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, pp. 318-321. ISBN 9780819446343. https://resolver.caltech.edu/CaltechAUTHORS:20181113-143336250
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Abstract
We report test results for a single pixel antenna-coupled bolometric detector. Our device consists of a dual slot microstrip antenna coupled to an Al/Ti/Au voltage-biased transition edge superconducting bolometer (TES). The coupling architecture involves propagating the signal along superconducting microstrip lines and terminating the lines at a normal metal resistor colocated with a TES on a thermally isolated island. The device, which is inherently polarization sensitive, is optimized for 140 GHz band measurements. In the thermal bandwidth of the TES, we measure a noise equivalent power of 2.0 × 10^(-17) W/√Hz in dark tests that agrees with calculated NEP including only contributions from thermal, Johnson and amplifier noise. We do not measure any excess noise at frequencies between 1 and 200 Hz. We measure a thermal conductance G ~5.5 × 10^(-11) W/K. We measure a thermal time constant as low as 437μs at 3μV bias when stimulating the TES directly using an LED.
| Item Type: | Book Section | ||||||
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| Additional Information: | © 2003 Society of Photo-optical Instrumentation Engineers (SPIE). | ||||||
| Series Name: | Proceedings of SPIE | ||||||
| Issue or Number: | 4855 | ||||||
| Record Number: | CaltechAUTHORS:20181113-143336250 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20181113-143336250 | ||||||
| Official Citation: | Cynthia L. Hunt, James J. Bock, Peter K. Day, Alexey Goldin, Andrew E. Lange, Henry G. LeDuc, Anastasios Vayonakis, Jonas Zmuidzinas, "Transition-edge superconducting antenna-coupled bolometer," Proc. SPIE 4855, Millimeter and Submillimeter Detectors for Astronomy, (17 February 2003) | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 90876 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Tony Diaz | ||||||
| Deposited On: | 13 Nov 2018 22:42 | ||||||
| Last Modified: | 03 Mar 2020 13:01 |
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