Fiber-based, hybrid terahertz spectrometer using dual fiber combs

被引：49

作者：

Yasui, Takeshi ^{[1
]}

Nose, Masaki ^{[1
]}

Ihara, Atsushi ^{[1
,2
]}

Kawamoto, Kohji ^{[1
]}

Yokoyama, Shuko ^{[1
,3
]}

Inaba, Hajime ^{[2
]}

Minoshima, Kaoru ^{[2
]}

Araki, Tsutomu ^{[1
]}

机构：

[1] Osaka Univ, Grad Sch Engn Sci, Osaka 5608531, Japan

[2] Natl Inst Adv Ind Sci & Technol, Natl Metrol Inst Japan, Tsukuba, Ibaraki 3058563, Japan

[3] Microoptics Co Ltd, Nishikyo Ku, Kyoto 6101104, Japan

来源：

OPTICS LETTERS | 2010年 / 35卷 / 10期

关键词：

RESOLUTION;

D O I：

10.1364/OL.35.001689

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We constructed a fiber-based, hybrid terahertz (THz) spectrometer having two working modes, asynchronous-optical-sampling THz time-domain spectroscopy (AOS-THz-TDS) and multiple-frequency-heterodyning THz comb spectroscopy (MFH-THz-CS), by use of dual fiber-laser-based frequency combs. A spectral range of 2 THz and dynamic range of 100 was achieved at the single sweep measurement of 200 ms in the AOS-THz-TDS mode, whereas the detailed structure of the THz frequency comb was clearly observed in the MFH-THz-CS mode. The spectrometer features compactness, robustness, flexibility, and cost effectiveness, in addition to high spectral resolution in rapid data acquisition, and has the potential to become a powerful tool for practical applications. (C) 2010 Optical Society of America

引用

页码：1689 / 1691

页数：3

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