激光半经典椭圆矢量理论的初步研究

摘要/Abstract

摘要：

为了准确描述激光与介质间的相互作用，提出椭圆模式下的半经典矢量理论。从自洽场方程组出发，分析了现有圆矢量理论的局限性，以实际的椭圆偏振模为本征模，推导出椭圆矢量理论公式，并进行了分析讨论。分析表明，椭圆矢量理论比较符合实际物理模型，物理意义明确，在椭圆度为0时演变为圆矢量理论,在半定量上和实验结果符合的较好。这对完善半经典理论和环形激光器研究有一定参考价值。

关键词: 激光物理, 半经典理论, 椭圆本征模, 自洽场方程

Abstract:

To describe the interaction of laser and medium accurately, the semi-classical vector theory for elliptical mode is presented in this paper. From the self-consistent field equations, the limitations of the circular vector theory are analyzed. Based on the elliptical mode eigenvector, the elliptical vector theory formula is derived and discussed. The discussion shows that, the elliptical vector theory is in accordance with actual physics mode and has specific physics meaning, it evolves into circular vector theory when ellipticity is zero and accords with the experiment results well semi-quantitatively.

Key words: laser physics, semi-classical theory, elliptical eigenvector mode, self-consistent field equations

杨建强. 激光半经典椭圆矢量理论的初步研究[J]. J4, 2009, 26(5): 537-542.

YANG Jian-Qiang. Preliminary study of laser semi-classical elliptical vector theory[J]. J4, 2009, 26(5): 537-542.

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