PICOSECOND YBA2CU3O7-DELTA DETECTOR FOR FAR-INFRARED RADIATION

被引：11

作者：

NEBOSIS, RS ^{[1
]}

STEINKE, R ^{[1
]}

LANG, PT ^{[1
]}

SCHATZ, W ^{[1
]}

HEUSINGER, MA ^{[1
]}

RENK, KF ^{[1
]}

GOLTSMAN, GN ^{[1
]}

KARASIK, BS ^{[1
]}

SEMENOV, AD ^{[1
]}

GERSHENZON, EM ^{[1
]}

机构：

[1] MOSCOW STATE PEDAG UNIV,MOSCOW 119435,USSR

来源：

JOURNAL OF APPLIED PHYSICS | 1992年 / 72卷 / 11期

关键词：

D O I：

10.1063/1.351944

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on a picosecond YBa2Cu3O7-delta detector for far-infrared radiation. The detector, consisting of a current carrying structure cooled to liquid-nitrogen temperature, was studied by use of ultrashort laser pulses from an optically pumped far-infrared laser in the frequency range from 25 to 215 cm-1. We found that the sensitivity (1 mV/W) was almost constant in this frequency range. We estimated a noise equivalent power of less than 5 X 10(-7) W Hz-1/2 . Taking into account the results of a mixing experiment (in the frequency range from 4 to 30 cm-1) we suggest that the response time of the detector was few picoseconds.

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页码：5496 / 5499

页数：4

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