Properties of nonlinear optical crystals in the terahertz wavelength region

Narsingh B. Singh; Ted B. Norris; T. BumaRaj N. SinghMilton GottliebDennis SuhreJack J. Hawkins

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Properties of nonlinear optical crystals in the terahertz wavelength region

机译：Properties of nonlinear optical crystals in the terahertz wavelength region

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High-quality crystals of gallium selenide (GaSe) and thallium arsenic selenide (Tl_(3)AsSe_(3)) were successfully grown. The refractive indices were measured in the subterahertz spectral region using time-domain spectroscopy. GaSe has a refractive index of 3.2 and an absorption coefficient of 1 cm~(-1), along with an absorption peak at 0.6 THz. Tl_(3)AsSe_(3) clearly shows birefringence, where the refractive indices are 5.0 and 5.4 along the fast and slow axes, respectively. The absorption coefficient is over 3 cm~(-1) at 0.3 THz, increasing steadily with frequency.

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来源
《Optical Engineering》 |2006年第9期|094002-1-094002-7-0|共7页
作者
Narsingh B. Singh; Ted B. Norris; T. BumaRaj N. SinghMilton GottliebDennis SuhreJack J. Hawkins;
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作者单位

Northrop Grumman Corporation ES, ATL-3B10 1212 Winterson Road Linthicum, Maryland 21090;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类光学仪器;
关键词
crystals; terahertz; refractive index; thallium arsenic selenide; gallium selenide;

Properties of nonlinear optical crystals in the terahertz wavelength region

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