Continuous-wave terahertz system with a 60 dB dynamic range

被引：90
作者：
Gregory, IS
Tribe, WR
Baker, C
Cole, BE
Evans, MJ
Spencer, L
Pepper, M
Missous, M
机构：
[1] TeraView Ltd, Cambridge CB4 0WS, England
[2] Univ Cambridge, Cavendish Lab, Semicond Phys Grp, Cambridge CB3 0HE, England
[3] Univ Manchester, Sch Elect & Elect Engn, Manchester M60 1QD, Lancs, England
来源：
APPLIED PHYSICS LETTERS | 2005年 / 86卷 / 20期
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.1063/1.1935032
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have developed a high-performance continuous-wave terahertz imaging system based on photomixing. The emitter and detector are driven by compact, unstabilized, single-mode diode lasers. The all-optoelectronic, homodyne detection scheme yields both amplitude and phase information, and with careful optimization and matching of both emitter and receiver, a 60 dB dynamic range, at 0.53 THz, can be routinely achieved. This replicates the performance of established pulsed THz imagers at this frequency. (c) 2005 American Institute of Physics.
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页码：1 / 3
页数：3
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