Mid-infrared dual-comb spectroscopy with an optical parametric oscillator

被引：100

作者：

Zhang, Zhaowei ^{[1
,2
]}

Gardiner, Tom ^{[2
]}

Reid, Derryck T. ^{[1
]}

机构：

[1] Heriot Watt Univ, Inst Photon & Quantum Sci, Edinburgh EH14 4AS, Midlothian, Scotland

[2] Natl Phys Lab, London TW11 0LW, Middx, England

来源：

OPTICS LETTERS | 2013年 / 38卷 / 16期

基金：

英国工程与自然科学研究理事会;

关键词：

LASERS;

D O I：

10.1364/OL.38.003148

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present the first implementation of mid-infrared dual-comb spectroscopy with an optical parametric oscillator. Methane absorption spectroscopy was demonstrated with a resolution of 0.2 cm(-1) (5 GHz) at an acquisition time of similar to 10.4 ms over a spectral coverage at 2900-3050 cm(-1). The average power from each individual mid-infrared comb line was similar to 1 mu W, representing a power level much greater than typical difference-frequency-generation sources. Mid-infrared dual-comb spectroscopy opens up unique opportunities to perform broadband spectroscopic measurements with high resolution, high requisition rate, and high detection sensitivity. (C) 2013 Optical Society of America

引用

页码：3148 / 3150

页数：3

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