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Proceedings Paper

Photoresponse of YBCO microthermometers below the transition temperature
Author(s): D. Robbes; Laurence Mechin; C. Gunther; R. Desfeux; C. Maleville; Anne Ghis; Jean-Claude Villegier
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Paper Abstract

YBCO microthermometers to be used in composite bolometers are working either on the resistive transition or on the critical current transition, as shown earlier. YBCO microbridges obtained by different techniques and processes, of thicknesses varying from 30 nm to 200 nm, and of widths between 10 micrometers and 30 micrometers have been thus qualified. Results are in good accordance with those predicted by the simplified thermal model. A noise measurement has been made on the voltage fluctuations using a conventional current bias. The previously published results have been greatly improved in terms of sensitivity and detectivity, using either a constant current or a constant voltage DC bias.

Paper Details

Date Published: 20 May 1994
PDF: 6 pages
Proc. SPIE 2159, High-Temperature Superconducting Detectors: Bolometric and Nonbolometric, (20 May 1994); doi: 10.1117/12.176142
Show Author Affiliations
D. Robbes, ISMRA (France)
Laurence Mechin, LETI-CEA (France)
C. Gunther, ISMRA (France)
R. Desfeux, ISMRA (France)
C. Maleville, LETI-CEA (France)
Anne Ghis, LETI-CEA (France)
Jean-Claude Villegier, LETI-CEA (France)

Published in SPIE Proceedings Vol. 2159:
High-Temperature Superconducting Detectors: Bolometric and Nonbolometric
Michael Nahum; Jean-Claude Villegier, Editor(s)

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