Title :
Optical response of bulk Bi-Sr-Ca-Cu-O
Author :
Eidelloth, Walter ; Barnes, Frank S.
Author_Institution :
Dept. of Electr. & Comput. Eng., Colorado Univ., Boulder, CO, USA
fDate :
11/1/1989 12:00:00 AM
Abstract :
Preliminary results of measurements of optical detection in bar-shaped bulk samples of Bi-Sr-Ca-Cu-Cu-O at wavelengths of 504, 632, and 820 nm are presented. At 77 K, a roughly logarithmic decay of response with increasing modulation frequency of a GaAs laser (820 nm) was found. A much higher responsivity was observed at 504 nm than at either 632 or 820 nm
Keywords :
bismuth compounds; calcium compounds; high-temperature superconductors; photodetectors; strontium compounds; 504 nm; 632 nm; 77 K; 820 nm; Bi-Sr-Ca-Cu-O; GaAs laser; bar-shaped bulk samples; high temperature superconductors; logarithmic decay; modulation frequency; optical detection; responsivity; Bismuth compounds; Bridge circuits; Diodes; Gallium arsenide; Nitrogen; Optical detectors; Optical films; Optical modulation; Temperature; Voltage;
Journal_Title :
Quantum Electronics, IEEE Journal of
