Imaging at 3.4 THz with a quantum-cascade laser

被引：23
|
作者：
Chamberlin, DR
Robrish, PR
Trutna, WR
Scalari, G
Giovannini, M
Ajili, L
Faist, J
机构：
[1] Agilent Labs, Palo Alto, CA 94304 USA
[2] Univ Neuchatel, Inst Phys, CH-2000 Neuchatel, Switzerland
来源：
APPLIED OPTICS | 2005年 / 44卷 / 01期
关键词：
D O I：
10.1364/AO.44.000121
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have assembled a single-frequency imaging system at 3.4 THz with a quantum-cascade laser. Images of electronic and biological applications are demonstrated. We operate the laser with a peak output power of 2.5 mW at a 7% duty cycle and a 22 K operating temperature. The minimum spot size is 340 mum. The signal is detected with a single-element deuterated triglycine sulfate detector, and images are captured by scanning of the sample. (C) 2005 Optical Society of America.
引用
收藏
页码：121 / 125
页数：5
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