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Proceedings Paper

BiPbSrCaCuO detectors for laser power metering
Author(s): Linh Ngo Phong
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Paper Abstract

Since the discovery of the BiSrCaCuO superconductor,1 the response of this compound to infrared and millimeter wavelength radiation has received particular attention. To promote the growth of the high 11 phase, Pb is usually introduced into this compound.2 In our laboratory, the response of thin BiPbSrCaCuO films has been investigated at temperatures above and below Tc. When the film was biased into a partially resistive regime, a subgap nonbolometric response to millimeter waves was found to occur.3 Lately, a nonbolometric response to thermal infrared radiation was also found in normal state films and was attributed to the tensorial Seebeck effect.4 This paper reports on further evidences of the Seebeck effect and a BiPbSrCaCuO detector that makes use of this effect. BiPbSrCaCuO films were prepared on monocrystalline MgO substrates by magnetron rf sputtering.

Paper Details

Date Published: 29 August 2017
PDF: 3 pages
Proc. SPIE 10313, Opto-Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging, 1031346 (29 August 2017); doi: 10.1117/12.2283946
Show Author Affiliations
Linh Ngo Phong, Defence Research Establishment Valcartier (Canada)

Published in SPIE Proceedings Vol. 10313:
Opto-Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging
John C. Armitage, Editor(s)

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