Infrared response of YBa2Cu3O7-delta films to pulsed broadband synchrotron radiation

G. Lawrence Carr; Manuel A. Quijada; David B. Tanner; Carol J. Hirschmugl; Gwyn P. Williams; Shahab Etemad; F. De Rosa; T. Venkatesan; Barundeb Dutta; D. Hemmick; Xiaoxing Xi

doi:10.1117/12.21044

1 October 1990 Infrared response of YBa2Cu3O7-delta films to pulsed broadband synchrotron radiation

G. Lawrence Carr, Manuel A. Quijada, David B. Tanner, Carol J. Hirschmugl, Gwyn P. Williams, Shahab Etemad, F. De Rosa, T. Venkatesan, Barundeb Dutta, D. Hemmick, Xiaoxing Xi

Author Affiliations +

Proceedings Volume 1292, Superconductivity Applications for Infrared and Microwave Devices; (1990) https://doi.org/10.1117/12.21044
Event: 1990 Technical Symposium on Optics, Electro-Optics, and Sensors, 1990, Orlando, FL, United States

Abstract

We report studies of a thin high-Ta film operating as a fast bolometric detector of infrared radiation. The film has a response of several mV when exposed to a 1 W, 1 ns duration broadband infrared pulse. The decay after the pulse was about 4 ns. The temperature dependence of the response accurately tracked dR/dT. A thermal model, in which the film's temperature varies relative to the substrate, provides a good description of the response. We find no evidence for other (non-bolometric) response mechanisms for temperatures near or well below T.

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G. Lawrence Carr, Manuel A. Quijada, David B. Tanner, Carol J. Hirschmugl, Gwyn P. Williams, Shahab Etemad, F. De Rosa, T. Venkatesan, Barundeb Dutta, D. Hemmick, and Xiaoxing Xi "Infrared response of YBa2Cu3O7-delta films to pulsed broadband synchrotron radiation", Proc. SPIE 1292, Superconductivity Applications for Infrared and Microwave Devices, (1 October 1990); https://doi.org/10.1117/12.21044

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