Rapid-phase modulation of terahertz radiation for high-speed terahertz imaging and spectroscopy

被引：50

作者：

Sinyukov, Alexander M. ^{[1
]}

Liu, Zhiwei ^{[1
]}

Hor, Yew Li ^{[1
]}

Su, Ke ^{[1
]}

Barat, Robert B. ^{[2
]}

Gary, Dale E. ^{[1
]}

Michalopoulou, Zoi-Heleni ^{[3
]}

Zorych, Ivan ^{[3
]}

Federici, John F. ^{[1
]}

Zimdars, David ^{[4
]}

机构：

[1] New Jersey Inst Technol, Dept Phys, Newark, NJ 07102 USA

[2] New Jersey Inst Technol, Otto York Dept Chem Engn, Newark, NJ 07102 USA

[3] New Jersey Inst Technol, Dept Math Sci, Newark, NJ 07102 USA

[4] Picometrix, Ann Arbor, MI 48113 USA

来源：

OPTICS LETTERS | 2008年 / 33卷 / 14期

关键词：

D O I：

10.1364/OL.33.001593

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Rapid voltage-controlled phase modulation of cw terahertz (THz) radiation is demonstrated. By transmitting an infrared beam through a lithium niobate phase modulator the phase of the THz radiation, which is generated by the photomixing of two infrared beams, can be directly modulated through a 2 7 phase shift. The 100 kHz modulation rate that is demonstrated with this technique is approximately 3 orders of magnitude faster than what can be achieved by mechanical scanning. (C) 2008 Optical Society of America.

引用

页码：1593 / 1595

页数：3

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