FAR-INFRARED TERAHERTZ TIME-DOMAIN SPECTROSCOPY OF FLAMES

被引：133
|
作者：
CHEVILLE, RA [1 ]
GRISCHKOWSKY, D [1 ]
机构：
[1] OKLAHOMA STATE UNIV,LASER RES CTR,STILLWATER,OK 74078
来源：
OPTICS LETTERS | 1995年 / 20卷 / 15期
关键词：
D O I：
10.1364/OL.20.001646
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present what is to our knowledge the first comprehensive far-infrared absorption measurement of flames. These measurements, covering the region of 7-88 wave numbers (0.2-2.65 THz) are only now made possible by the technique of terahertz time-domain spectroscopy. We observe a large number of absorption Lines-including those of water, CH, and NH3-in a stationary, premixed, propane-air flame. The absorption strength permits the determination of species concentration along the beam path. is determined by comparison of the relative strengths of the water vapor Lines. (C) 1995 Optical Society of America.
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页码：1646 / 1648
页数：3
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