High resolution spectroscopy of ammonia in a hollow-core fiber

被引：39
|
作者：
Cubillas, Ana M. [1 ]
Hald, Jan [2 ]
Petersen, Jan C. [2 ]
机构：
[1] Univ Cantabria, Photon Engn Grp, E-39005 Santander, Spain
[2] Danish Fundamental Metrol Ltd, DK-2800 Lyngby, Denmark
来源：
OPTICS EXPRESS | 2008年 / 16卷 / 06期
关键词：
D O I：
10.1364/OE.16.003976
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have demonstrated frequency modulation saturation spectroscopy of the v(1) + v(3) band of ammonia in hollow-core photonic bandgap fibers (HC-PBFs). Previously blended lines have been resolved and the corresponding molecular transitions assigned. Cross-over resonances are observed between transitions that do not share a common level. We have measured the pressure dependence of the line shape and determined the collisional self-broadening coefficients for ammonia. The many absorption lines of ammonia in the 1.5 mu m wavelength region are potential frequency references lines for optical communication as well as candidates for spectroscopic trace gas monitoring. (C) 2008 Optical Society of America.
引用
收藏
页码：3976 / 3985
页数：10
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