Mid-infrared quantum cascade detectors for applications in spectroscopy and pyrometry

被引：45

作者：

Hofstetter, D. ^{[1
]}

Giorgetta, F. R. ^{[2
]}

Baumann, E. ^{[2
]}

Yang, Q. ^{[3
]}

Manz, C. ^{[3
]}

Koehler, K. ^{[3
]}

机构：

[1] Univ Neuchatel, CH-2009 Neuchatel, Switzerland

[2] Natl Inst Stand & Technol, Div Optoelect, Boulder, CO 80305 USA

[3] Fraunhofer Inst Appl Solid State Phys, D-79108 Freiburg, Germany

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2010年 / 100卷 / 02期

关键词：

MU-M; INTERSUBBAND TRANSITIONS; INFRARED DETECTORS; OPERATION; PHOTODETECTORS; ABSORPTION; GHZ;

D O I：

10.1007/s00340-010-3965-2

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, we give an overview of quantum cascade detector technology for the near- and mid-infrared wavelength range. Thanks to their photovoltaic operating principle, the most advanced quantum cascade detectors offer great opportunities in terms of high detection speed, reliable room temperature operation, and excellent Johnson noise limited detectivity. Besides some important features dealing with their fabrication and their general characteristics, we will also briefly present some possibilities for performance improvement. Elementary theoretical considerations adopted from photoconductive detectors confirm that optimization of such devices always involves various trade-offs.

引用

页码：313 / 320

页数：8

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