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Analysis of Eigenmode of F-P resonators by using Fox-Li iteration algorithm
Author(s): 
Pages: 124-128
Year: Issue:  z1
Journal: JOURNAL OF CHENGDU UNIVERSITY OF INFORMATION TECHNOLOGY

Keyword:  激光光学F-P型谐振腔Fresnel-Kirchhoff衍射理论Fox-Li迭代法失调特性;
Abstract: 谐振腔内的模式计算是提高激光器输出光束质量和应用自适应光学系统校正腔内像差的前提和基础.在理论分析的基础上,着重采用Fox-Li数值迭代法计算了F-P腔振荡模式的振幅分布和相位分布.计算结果表明,在经过300次渡越后,归一化的振幅分布和相位分布实际上已不再发生变化,则已找到光腔的一个自再现模式或横模分布.另一方面,分析了腔镜倾斜扰动对F-P腔内振荡模式的影响.数值计算表明,腔镜倾斜破坏了场分布的对称性,当引入的扰动量达到λ/36时,振幅分布和相位分布发生严重的畸变.需要用自适应光学技术对腔内像差进行校正.
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