Title :
Bolometric YBa2Cu3O7-x infra-red detector
Author :
Tseng, T.Y. ; Chang, C.Y. ; Haung, C.J. ; Chen, M.C.
Author_Institution :
Dept. of Electron. Eng., Nat. Chiao-Tung Univ., Hsinchu, Taiwan
Abstract :
Results of the measurement of optical detection in YBa2Cu3O7-x superconducting epitaxial films at a wavelength of 0.94 mu m are presented. These films show bolometric responses at temperatures in the resistive transition regions which are strongly dependent on the bias current. For 0.94 mu m radiation, electronically chopped at 20 Hz, measurement of a meander bridge yields a bolometric responsivity of approximately 6.1 V/W.
Keywords :
barium compounds; bolometers; high-temperature superconductors; infrared detectors; yttrium compounds; 0.94 micron; 20 Hz; YBa 2Cu 3O 7-x; bias current; bolometric responses; high temperature superconductors; meander bridge; measurement of optical detection; resistive transition regions; responsivity; superconducting epitaxial films; temperatures; wavelength;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19911073
