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Spectral dependence of nonbolometric far‐infrared detection with thin‐film Bi2Sr2CaCu2O8

Schneider, G., Huggard, P. G., O'Brien, T. P., Lemoine, P., Blau, W. and Prettl, Wilhelm (1992) Spectral dependence of nonbolometric far‐infrared detection with thin‐film Bi2Sr2CaCu2O8. Applied Physics Letters 60 (5), p. 648.

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Abstract

The photoresponse of granular current biased thin‐film Bi2Sr2CaCu2O8 superconductor to short pulse far infrared radiation has been measured for 16 laser lines, with frequencies between 10 and 1000 cm−1. A strong dependence of the signal on the frequency ω, approximately proportional to ω−2.3, is observed. It is shown, by calculations based on the resistively shunted junction model, that this photosignal can be understood to arise from the ac Josephson effect at grain boundary weak links.


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Item type:Article
Date:1992
Institutions:Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Wilhelm Prettl
Identification Number:
ValueType
10.1063/1.106581DOI
Related URLs:
URLURL Type
http://link.aip.org/link/APPLAB/v60/i5/p648/s1Publisher
Classification:
NotationType
07.57.Kp; 74.50.+r; 74.25.N-; 74.78.-wPACS
Keywords:BISMUTH OXIDES, STRONTIUM OXIDES, CALCIUM OXIDES, CUPRATES, MULTI−ELEMENT COMPOUNDS, HIGH−TC SUPERCONDUCTORS, PHOTODETECTORS, SPECTRAL RESPONSE, GRANULAR MATERIALS, JOSEPHSON EFFECT, WEAK LINKS, INFRARED RADIATION
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Unknown
Item ID:17056
Owner only: item control page

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