Continuous-wave terahertz imaging with a hybrid system

被引：73

作者：

Loeffler, Torsten ^{[1
]}

May, Thilo ^{[1
]}

am Weg, Christian ^{[1
]}

Alcin, Ali ^{[1
]}

Hils, Bernd ^{[1
]}

Roskos, Hartmut G. ^{[1
]}

机构：

[1] Univ Frankfurt, Inst Phys, D-60438 Frankfurt, Germany

来源：

APPLIED PHYSICS LETTERS | 2007年 / 90卷 / 09期

关键词：

D O I：

10.1063/1.2711183

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The authors have developed a hybrid system for coherent raster-scan imaging at 0.6 THz. It combines a high-power electronic source (a multiplied Gunn emitter) with a femtosecond Ti:sapphire laser in order to achieve a high dynamic range via electro-optic detection. The single-scan dynamic range of 60 db at a lock-in time constant of 10 ms is sufficient to permit detection of scattered terahertz radiation in addition to specularly reflected/transmitted light. Active synchronization of the electronic source and the laser is not needed because of the remarkably low jitter between the two radiation sources.(c) 2007 American Institute of Physics.

引用

页数：3

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