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Proceedings Paper

High Tc superconducting IR detectors from Y-Ba-Cu-O thin films
Author(s): Mikael Lindgren; Henrik Ahlberg; Anders G. Larsson; Sverre T. Eng; Martin Danerud
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Paper Abstract

A thin-film high-Tc superconducting multielement optical detector made of Y-Ba-Cu-O has been designed and evaluated using optical pulses from a diode laser (830 nm) and a Q-switched CO2-laser (10.6 microns). Different thin films have been tested. A laser deposited film showed the strongest response amplitude for short pulses and responded to an ultrafast, 50 ps wide pulse. Comparisons between dR/dT and response as a function of temperature indicated, however, a bolometric response.

Paper Details

Date Published: 1 October 1990
PDF: 9 pages
Proc. SPIE 1292, Superconductivity Applications for Infrared and Microwave Devices, (1 October 1990); doi: 10.1117/12.21036
Show Author Affiliations
Mikael Lindgren, Chalmers Univ. of Technology (Sweden)
Henrik Ahlberg, Chalmers Univ. of Technology (Sweden)
Anders G. Larsson, Jet Propulsion Lab. (Sweden)
Sverre T. Eng, Jet Propulsion Lab. (United States)
Martin Danerud, Chalmers Univ. of Technology (Sweden)

Published in SPIE Proceedings Vol. 1292:
Superconductivity Applications for Infrared and Microwave Devices
Kul B. Bhasin; Vernon O. Heinen, Editor(s)

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