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5 January 1993 High- Tc -superconducting Meander-line IR detectors
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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.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mikael Lindgren and Sverre T. Eng "High- Tc -superconducting Meander-line IR detectors", Proc. SPIE 1762, Infrared Technology XVIII, (5 January 1993);


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