Thermal-lens effect induced changes of polarization, coherence and spectrum of a stochastic electromagnetic beam in a Gaussian cavity

被引：4
|
作者：
Zhu, S. [1 ]
Zhou, F. [1 ]
Cai, Y. [1 ]
Zhang, L. [1 ]
机构：
[1] Soochow Univ, Sch Phys Sci & Technol, Suzhou 215006, Peoples R China
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2011年 / 102卷 / 04期
基金：
中国国家自然科学基金;
关键词：
SCHELL-MODEL BEAMS; MASER INTERFEROMETER; RESONANT MODES; LASER; SHIFTS; PROPAGATION; LIGHT; STATE; LINES; ABSORPTION;
D O I：
10.1007/s00340-010-4223-3
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Based on the unified theory of coherence and polarization, the interaction of a stochastic electromagnetic Gaussian Schell-model (EGSM) beam with a Gaussian cavity containing thermal-lens medium is analyzed. In particular, the effect of the thermal medium of the lens on the evolution properties of the degree of polarization, the degree of coherence and the spectral shift are investigated in detail. It is shown that the thermal-lens medium has a strong influence on the behavior of the EGSM beam especially in unstable resonators, thus it is necessary for us to take the thermal-lens effect into consideration in practice.
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页码：953 / 961
页数：9
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