High Tc superconducting IR detectors from Y-Ba-Cu-O thin films

Mikael Lindgren; Henrik Ahlberg; Anders G. Larsson; Sverre T. Eng; Martin Danerud

doi:10.1117/12.21036

1 October 1990 High Tc superconducting IR detectors from Y-Ba-Cu-O thin films

Mikael Lindgren, Henrik Ahlberg, Anders G. Larsson, Sverre T. Eng, Martin Danerud

Proceedings Volume 1292, Superconductivity Applications for Infrared and Microwave Devices; (1990) https://doi.org/10.1117/12.21036
Event: 1990 Technical Symposium on Optics, Electro-Optics, and Sensors, 1990, Orlando, FL, United States

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.

Citation Download Citation

Mikael Lindgren, Henrik Ahlberg, Anders G. Larsson, Sverre T. Eng, and Martin Danerud "High Tc superconducting IR detectors from Y-Ba-Cu-O thin films", Proc. SPIE 1292, Superconductivity Applications for Infrared and Microwave Devices, (1 October 1990); https://doi.org/10.1117/12.21036

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