Abstract
This paper describes a highly sensitive optical detector using a perovskite-type superconductor, BaPb0.7Bi0.3O3 (BPB) thin film. Optical signals create quasiparticles and induce changes in the superconducting energy gap. These changes are measured by tunnel junctions which are formed along the grain boundaries in the BPB polycrystalline thin film. The detector sensitivity is about 104 V/W in the 1–8-μm wavelength range, and the detector is found to be capable of responding up to 1.3 GHz at the 1.3-μm wavelength. Consequently, this BPB detector is well suited in infrared spectrometer and optical-communications system applications.
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Dates
Type | When |
---|---|
Created | 23 years ago (July 26, 2002, 9:05 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 4, 2024, 12:03 a.m.) |
Indexed | 4 months ago (April 18, 2025, 6:06 a.m.) |
Issued | 39 years, 2 months ago (June 1, 1986) |
Published | 39 years, 2 months ago (June 1, 1986) |
Published Print | 39 years, 2 months ago (June 1, 1986) |
@article{Enomoto_1986, title={Optical detector using superconducting BaPb0.7Bi0.3O3 thin films}, volume={59}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.336720}, DOI={10.1063/1.336720}, number={11}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Enomoto, Youichi and Murakami, Toshiaki}, year={1986}, month=jun, pages={3807–3814} }