Y-Ba-Cu-O thin film infrared detectors

J. P. Zheng; Q. Y. Ying; H. S. Kwok

doi:10.1016/0921-4534(90)90525-J

Y-Ba-Cu-O thin film infrared detectors

J. P. Zheng
, Q. Y. Ying
, H. S. Kwok

Department of Electrical Engineering

SUNY Buffalo

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

Y-Ba-Cu-O thin film infrared detectors were fabricated and studied with a CO₂ laser. Operation of the detector in both the bolometric and nonbolometric modes was investigated. In the bolometric mode, the detectivity of the detector at 90 K was 2.1 × 10⁸ cm Hz^{1 2} W^-1 with a response time of 15 μs, corresponding to a bandwidth of 70 KHz. The speed of the detector in the nonbolometric mode was much faster and was beyond the instrument resolution of 10 ns (100 MHz). However, the detectivity could not be determined due to the extremely low noise. The superconducting film quality is critical to the performance of these detectors.

Original language	English
Pages (from-to)	322-326
Number of pages	5
Journal	Physica C: Superconductivity and its Applications
Volume	168
Issue number	3-4
DOIs	https://doi.org/10.1016/0921-4534(90)90525-J
State	Published - Jun 15 1990

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title = "Y-Ba-Cu-O thin film infrared detectors",

abstract = "Y-Ba-Cu-O thin film infrared detectors were fabricated and studied with a CO2 laser. Operation of the detector in both the bolometric and nonbolometric modes was investigated. In the bolometric mode, the detectivity of the detector at 90 K was 2.1 × 108 cm Hz 1 2 W-1 with a response time of 15 μs, corresponding to a bandwidth of 70 KHz. The speed of the detector in the nonbolometric mode was much faster and was beyond the instrument resolution of 10 ns (100 MHz). However, the detectivity could not be determined due to the extremely low noise. The superconducting film quality is critical to the performance of these detectors.",

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year = "1990",

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doi = "10.1016/0921-4534(90)90525-J",

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T1 - Y-Ba-Cu-O thin film infrared detectors

AU - Zheng, J. P.

AU - Ying, Q. Y.

AU - Kwok, H. S.

PY - 1990/6/15

Y1 - 1990/6/15

N2 - Y-Ba-Cu-O thin film infrared detectors were fabricated and studied with a CO2 laser. Operation of the detector in both the bolometric and nonbolometric modes was investigated. In the bolometric mode, the detectivity of the detector at 90 K was 2.1 × 108 cm Hz 1 2 W-1 with a response time of 15 μs, corresponding to a bandwidth of 70 KHz. The speed of the detector in the nonbolometric mode was much faster and was beyond the instrument resolution of 10 ns (100 MHz). However, the detectivity could not be determined due to the extremely low noise. The superconducting film quality is critical to the performance of these detectors.

AB - Y-Ba-Cu-O thin film infrared detectors were fabricated and studied with a CO2 laser. Operation of the detector in both the bolometric and nonbolometric modes was investigated. In the bolometric mode, the detectivity of the detector at 90 K was 2.1 × 108 cm Hz 1 2 W-1 with a response time of 15 μs, corresponding to a bandwidth of 70 KHz. The speed of the detector in the nonbolometric mode was much faster and was beyond the instrument resolution of 10 ns (100 MHz). However, the detectivity could not be determined due to the extremely low noise. The superconducting film quality is critical to the performance of these detectors.

UR - https://www.scopus.com/pages/publications/0025445053

U2 - 10.1016/0921-4534(90)90525-J

DO - 10.1016/0921-4534(90)90525-J

M3 - Article

AN - SCOPUS:0025445053

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VL - 168

SP - 322

EP - 326

JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

IS - 3-4

ER -

Y-Ba-Cu-O thin film infrared detectors

Abstract

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