Chirped laser dispersion spectroscopy for spectroscopic chemical sensing with simultaneous range detection

被引：10

作者：

Hangauer, Andreas ^{[1
,2
]}

Chen, Yifeng ^{[1
]}

Wysocki, Gerard ^{[1
]}

机构：

[1] Princeton Univ, Elect Engn Dept, Princeton, NJ 08544 USA

[2] Siemens AG, Corp Technol, Munich, Germany

来源：

OPTICS LETTERS | 2021年 / 46卷 / 02期

关键词：

DISTANCE; LIDAR; LONG; BAND;

D O I：

10.1364/OL.413312

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Spectroscopic chemical detection requires knowledge or determination of an optical path for accurate quantification of path-integrated concentration of species. Continuouswave-laser-based spectroscopic systems operating in an open integrated-path remote sensing configuration are usually not equipped for optical path determination. Here we demonstrate a measurement technique capable of simultaneous spectroscopic chemical quantification and range finding. The range-finding functionality is implemented with chirped laser dispersion spectroscopy. The methodology is potentially useful for remote chemical sensing in a hard-target LIDAR configuration and for automatic calibration of gas cells with unknown or varying lengths. (C) 2021 Optical Society of America

引用

页码：198 / 201

页数：4