Fast infrared response of YBCO thin films

Paul H. Ballentine; Alan M. Kadin; William R. Donaldson; John H. Scofield; Louis J. Bajuk

doi:10.1117/12.21043

1 October 1990 Fast infrared response of YBCO thin films

Paul H. Ballentine, Alan M. Kadin, William R. Donaldson, John H. Scofield, Louis J. Bajuk

Proceedings Volume 1292, Superconductivity Applications for Infrared and Microwave Devices; (1990) https://doi.org/10.1117/12.21043
Event: 1990 Technical Symposium on Optics, Electro-Optics, and Sensors, 1990, Orlando, FL, United States

Abstract

The response to short infrared pulses of some epitaxial YBCO films prepared by sputter deposition and by electron-beam evaporation is reported. The response is found to be essentially bolometric on the ns timescale, with some indirect hints of nonequilibrium electron transport on the ps scale. Fast switching could be obtained either by biasing the switch close to the critical current or by cooling the film below about 20 K. These results are encouraging for potential application to a high-current optically-triggered opening switch.

Citation Download Citation

Paul H. Ballentine, Alan M. Kadin, William R. Donaldson, John H. Scofield, and Louis J. Bajuk "Fast infrared response of YBCO thin films", Proc. SPIE 1292, Superconductivity Applications for Infrared and Microwave Devices, (1 October 1990); https://doi.org/10.1117/12.21043

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