GAIN DUE TO LEVEL-DEPENDENT COLLISIONS

被引：0
|
作者：
YE, JY
ZHAN, MS
ZHOU, SK
机构：
[1] Laboratory of Laser Spectroscopy, Anhui Institute of Optics and Fine Mechanics, Academia Sinica, Hefei
来源：
PHYSICAL REVIEW A | 1993年 / 48卷 / 03期
关键词：
D O I：
10.1103/PhysRevA.48.2256
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Based on the level dependence of collision cross sections, a mechanism of light amplification without inversion in a Doppler-broadened three-level system is further studied. In the rate equations, we use a collision-kernel model and consider all of the decay and pumping rates. The emission and absorption profiles are derived by solving the coupled mass-velocity equations numerically. Then, the possibility of obtaining positive gain with noninversion for an ensemble of particles is shown.
引用
收藏
页码：2256 / 2260
页数：5
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