FAR-INFRARED LASER-EMISSION SPECTROSCOPY ON AMMONIA ISOTOPOMERS

被引：12
|
作者：
SCHATZ, W
RENK, KF
FUSINA, L
IZATT, JR
机构：
[1] DIPARTIMENTO CHIM FIS & INORGAN,I-40136 BOLOGNA,ITALY
[2] UNIV ALABAMA,DEPT PHYS & ASTRON,TUSCALOOSA,AL 35487
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 1994年 / 59卷 / 04期
关键词：
D O I：
10.1007/BF01081068
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper we report the investigation of the isotopic ammonia gases (NH3)-N-14, (NH2D)-N-14, (NHD2)-N-14, (NH3)-N-15 and (ND3)-N-15 optically pumped by a continuously tunable 20 atm CO2-laser. We found 267 far-infrared emission lines, produced by both inversion and Raman processes, in the frequency range from 15 cm(-1) to about 250 cm(-1). 200 of these were observed for the first time. We obtained far-infrared Raman tuning ranges exceeding 3 cm(-1), photon conversion coefficients up to 12% and maximum output energies of 0.9 mJ. Furthermore, the optimum gas pressure, the polarization and the transient behavior of optically pumped ammonia have been investigated.
引用
收藏
页码：453 / 465
页数：13
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