| 多模短波长激光在圆形球面腔中的传输 |
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| 引用本文： | 付汉清,王泰春. 多模短波长激光在圆形球面腔中的传输[J]. 计算物理, 2002, 19(2): 132-136 |
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| 作者姓名： | 付汉清 王泰春 |
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| 作者单位： | 北京应用物理与计算数学研究所计算物理实验室, 北京 100088 |
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| 摘 要： | 用数值积分方法求解了在圆柱坐标中的横向多模菲涅尔(Fresnel)积分方程.在初始复数光场振幅取均匀分布和随机分布的条件下对圆形球面共焦腔、稳定腔和平面腔的TEMn0模进行了计算分析.计算结果表明,球面腔单一模的数值结果同解析解的结果符合较好,多种模同时存在时的结果不仅符合多模空间分布特性而且其基模是主要的.
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| 关 键 词： | 菲涅尔积分方程 横向多模 圆形球面稳定腔 圆形球面非稳腔 |
| 文章编号： | 1001-246X(2002)02-0132-05 |
| 收稿时间： | 2000-06-30 |
| 修稿时间： | 2000-06-30 |
TRANSMISSION OF SHORT WAVELENGTH LASER WITH THE TRANSVERSE MULTIMODE IN CAVITIES WITH CIRCULAR MIRRORS OF SPHERICAL SURFACES |
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| FU Han-qing,WANG Tai-chun. TRANSMISSION OF SHORT WAVELENGTH LASER WITH THE TRANSVERSE MULTIMODE IN CAVITIES WITH CIRCULAR MIRRORS OF SPHERICAL SURFACES[J]. Chinese Journal of Computational Physics, 2002, 19(2): 132-136 |
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| Authors: | FU Han-qing WANG Tai-chun |
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| Affiliation: | Institute of Applied Physics and Computational Mathematics, Beijing 100088, P R China |
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| Abstract: | Fresnel integral equations of the transverse multimode are solved by the numerical integration method in the cylinder coordinate. Under the initial conditions of the uniform and random distribution given respectively for the complex light-field amplitude, TEMn0 modes of the confocal and stable cavities with circular mirrors of spherical surfaces as well as the plane cavity with circular mirrors are computed and analized. Computational results indicate that the numerical results of single mode for spherical cavity coincide with the analytical results. The results of the multimode not only conform to the behavior of the multimode space distribution, but also show that those of the fundamental mode dominate. |
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| Keywords: | Fresnel integral equation transverse multimode stable cavity with circular mirrors of spherical surfaces virtual confocal unstable cavity with circular of spherical surfaces |
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