High-Tc-superconducting Meander-line IR detectors

Mikael Lindgren; Sverre T. Eng

doi:10.1117/12.138963

5 January 1993 High- T_c -superconducting Meander-line IR detectors

Mikael Lindgren, Sverre T. Eng

Proceedings Volume 1762, Infrared Technology XVIII; (1993) https://doi.org/10.1117/12.138963
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

We report on the fabrication and characterization of optical detectors made from 100 A thick high Tc superconducting films. A microbridge detector showed response to 50 ps optical pulses with 1 ns rise time. A nonbolometric vortex depairing mechanism at the Kosterlitz-Thouless transition temperature was observed. A detector pattern utilizing a 1.6 micron wide Meander-line showed approximately equal response amplitude at a lower bias current. The response mechanism was mainly bolometric but for 5 ns pulses vortex depairing was observed.

Citation Download Citation

Mikael Lindgren and Sverre T. Eng "High- T_c -superconducting Meander-line IR detectors", Proc. SPIE 1762, Infrared Technology XVIII, (5 January 1993); https://doi.org/10.1117/12.138963

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