SENSITIVE PICOSECOND NBN DETECTOR FOR RADIATION FROM MILLIMETER WAVELENGTHS TO VISIBLE-LIGHT

被引：40

作者：

GOLTSMAN, GN ^{[1
]}

SEMENOV, AD ^{[1
]}

GOUSEV, YP ^{[1
]}

ZORIN, MA ^{[1
]}

GOGIDZE, IG ^{[1
]}

GERSHENZON, EM ^{[1
]}

LANG, PT ^{[1
]}

KNOTT, WJ ^{[1
]}

RENK, KF ^{[1
]}

机构：

[1] UNIV REGENSBURG,INST ANGEW PHYS,W-8400 REGENSBURG,GERMANY

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 1991年 / 4卷 / 09期

关键词：

D O I：

10.1088/0953-2048/4/9/020

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on the application of a broad-band NbN film detector which has high sensitivity and picosecond response time for detection of radiation from millimetre wavelengths to visible light. From a study of amplitude modulated radiation of backward-wave tubes and picosecond pulses from gas and solid state lasers at wavelengths between 2 mm and 0.53-mu-m, we found a detectivity of 10(10) W-1 cm Hz-1/2 and a response time of less than 50 ps at T = 10 K. The characteristics were provided by using a 150 angstrom thick NbN film patterned into a structure of micron strips. According to the proposed detection mechanism, namely electron heating, we expect an intrinsic response time of approximately 20 ps at the same temperature.

引用

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页码：453 / 456

页数：4

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