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Proceedings Paper

High-Tc-superconducting Meander-line IR detectors
Author(s): Mikael Lindgren; Sverre T. Eng
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Paper 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.

Paper Details

Date Published: 5 January 1993
PDF: 5 pages
Proc. SPIE 1762, Infrared Technology XVIII, (5 January 1993); doi: 10.1117/12.138963
Show Author Affiliations
Mikael Lindgren, Chalmers Univ. of Technology (Sweden)
Sverre T. Eng, Chalmers Univ. of Technology (Sweden)


Published in SPIE Proceedings Vol. 1762:
Infrared Technology XVIII
Bjorn F. Andresen; Freeman D. Shepherd, Editor(s)

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