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20 May 1994 Thin YBCO films as fast infrared detectors: model calculations and experiment results
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Abstract
The transient thermal photoresponse of YBCO thin epitaxial films is calculated for conditions comparable to those frequently used in actual photoresponse measurements. At low light fluences and low bias currents, the calculations are in accord with a linear bolometric response. At higher fluences and bias currents, the thermal response displays behaviors often attributed to a non-bolometric mechanism. This is particularly true for the response decay time, which can decrease as the temperature falls through Tc. Some comparisons with experiment are presented, and it is concluded that a careful analysis is required to distinguish non-bolometric from bolometric response, especially for conditions of high light fluence.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
G. Lawrence Carr, David B. Tanner, Shahab Etemad, and Arun Inam "Thin YBCO films as fast infrared detectors: model calculations and experiment results", Proc. SPIE 2159, High-Temperature Superconducting Detectors: Bolometric and Nonbolometric, (20 May 1994); https://doi.org/10.1117/12.176150
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