| 圆形镜平面腔数值迭代计算 |
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| 引用本文： | 陈钢,徐海磊.圆形镜平面腔数值迭代计算[J].实验室研究与探索,2011,30(9):42-45. |
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| 作者姓名： | 陈钢 徐海磊 |
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| 作者单位： | 1. 浙江工业大学应用物理系,浙江杭州,310023
2. 台州市公安局网警支队,浙江台州,318000 |
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| 摘 要： | 从菲涅尔-基尔霍夫积分衍射方程出发,推导了圆形镜平面腔所满足的自再现模迭代方程,给出了数值迭代方程的具体形式和TEM00、TEM01、TEM10 3个模式的具体迭代方法。分析计算了3个自再现模的形成过程、单程损耗及相位等特性,并比较了不同菲涅尔数时各模式的本征值和衍射损耗。该方法为研究圆形平面镜谐振腔的激光模式、损耗特性及相位提供了可靠的理论方法,具体的数值迭代方法也可推广应用到其他类型的谐振腔。
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| 关 键 词： | 激光原理 谐振腔 Fresenel-kirchoff积分衍射方程 损耗 |
Calculation of Circular Plane Cavity by Numerical Iteration Method |
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| CHEN Gang,XU Hai-lei.Calculation of Circular Plane Cavity by Numerical Iteration Method[J].Laboratory Research and Exploration,2011,30(9):42-45. |
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| Authors: | CHEN Gang XU Hai-lei |
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| Institution: | CHEN Gang1,XU Hai-lei2(1.Department of Applied Physics,Zhejiang University of Technology,Hangzhou 310023,China,2.Detachment of Cyber-Police,Taizhou Municipal Bureau of Public Security,Taizhou 318000,China) |
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| Abstract: | The self reproducing mode iteration equation of the circular plane cavity was figured out based on the Fresnel-Kirchoff integral and diffraction equation.The equation form and integral method of three cavity modes TEM00,TEM01 and TEM10 were given,and the formation process of self reproducing mode,the round-trip fractional diffraction loss,and the phase characteristics were analyzed and calculated,together with the influence of eigenvalue and diffraction loss on the Fresnel number.The study provides some the... |
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| Keywords: | principle of lasers laser cavity Fresnel-Kirchoff integral equation loss |
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