Chirped laser dispersion spectroscopy with differential frequency generation source

被引：11
|
作者：
Nikodem, Michal [1 ]
Krzempek, Karol [2 ]
Karwat, Renata [1 ]
Dudzik, Grzegorz [2 ]
Abramski, Krzysztof [2 ]
Wysocki, Gerard [3 ]
机构：
[1] Wroclaw Res Ctr EIT+, PL-54066 Wroclaw, Poland
[2] Wroclaw Univ Technol, Laser & Fiber Electron Grp, PL-50370 Wroclaw, Poland
[3] Princeton Univ, Engn Quadrangle, Princeton, NJ 08544 USA
来源：
OPTICS LETTERS | 2014年 / 39卷 / 15期
基金：
美国国家科学基金会;
关键词：
TRACE-GAS-DETECTION; CASCADE LASER; TECHNOLOGY;
D O I：
10.1364/OL.39.004420
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A feasibility study of open-path methane detection at 3.4 mu m using chirped laser dispersion spectroscopy (CLaDS) based on nonlinear differential frequency generation (DFG) laser source is performed. Application of a DFG source based on telecom laser sources and modulators allows mid-infrared CLaDS system to be optimized for measurements of gases at atmospheric conditions for which modulation in the GHz range is required. Excellent agreement between observed CLaDS signals and spectroscopic models has been observed. (C) 2014 Optical Society of America
引用
收藏
页码：4420 / 4423
页数：4
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