DETERMINATION OF ABSORPTION-LINE PARAMETERS USING 2-TONE FREQUENCY-MODULATION SPECTROSCOPY WITH DIODE-LASERS

被引：11

作者：

KAURANEN, P ^{[1
]}

AVETISOV, VG ^{[1
]}

机构：

[1] GEN PHYS INST,MOSCOW 117942,RUSSIA

来源：

OPTICS COMMUNICATIONS | 1994年 / 106卷 / 4-6期

基金：

瑞典研究理事会;

关键词：

D O I：

10.1016/0030-4018(94)90324-7

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Accurate determination of line parameters from weak absorption using two-tone frequency-modulation spectroscopy (TTFMS) with a GaAlAs diode laser is demonstrated. The air-broadening of three oxygen A-band lines is determined, using a least-squares fit. For a peak absorption of 1.3 x 10(-3) the deviation between the experimental and the fitted spectrum is less than 1%. The fitting procedure is successfully tested on absorptions as small as 4.5 x 10(-5).

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收藏

页码：213 / 217

页数：5

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