EXTENSION OF HETERODYNE FREQUENCY MEASUREMENTS ON OCS TO 87-THZ (2900 CM-1)

被引:14
作者
DAX, A [1 ]
MURTZ, M [1 ]
WELLS, JS [1 ]
SCHNEIDER, M [1 ]
BACHEM, E [1 ]
URBAN, W [1 ]
MAKI, AG [1 ]
机构
[1] UNIV WASHINGTON,DEPT CHEM,SEATTLE,WA 98195
关键词
D O I
10.1016/0022-2852(92)90096-7
中图分类号
O64 [物理化学(理论化学)、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号
070203 ; 070304 ; 081704 ; 1406 ;
摘要
Heterodyne frequency measurements have been extended to 87 THz by using the CO overtone laser as a transfer oscillator. Measurements were made on the 1111-0110 band of OCS at 2900 cm-1. Frequency differences were measured between a tunable diode laser (TDL) which was locked to OCS absorption lines and a stabilized overtone laser which was referenced to stabilized CO2 lasers. These measurements have been combined with earlier Fourier transform (FT) measurements and a comprehensive set of data from frequency and FT measurements on lower lying transitions in OCS. This permits obtaining accurate values of transition frequencies for calibration of spectra in the 3.4-μm region. © 1992.
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页码:98 / 103
页数:6
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