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| 非线性晶体内腔倍频的温度模式分布 | |
| 引用本文： | 李隆,史彭,陈浩伟,贾森,白晋涛. 非线性晶体内腔倍频的温度模式分布[J]. 光子学报, 2005, 34(10): 1441-1444 |
| 作者姓名： | 李隆 史彭 陈浩伟 贾森 白晋涛 |
| 作者单位： | [1]西安建筑科技大学理学院,西安710055 [2]西安交通大学电子与信息工程学院、陕西省信息光子技术重点实验室,西安710049 [3]西北大学光子学与光子技术研究所、西北大学光电子省级重点开放实验室,西安710069 |
| 基金项目： | Supported by Special Research of Shaanxi Province Education Department,with the project No. 04JK129 . |
| 摘 要： | 为了提高谐波转换效率和消除温升引起的晶体走离效应，对于非线性晶体温度场分布特点进行了分析与计算.同时研究了基波偏心辐射对KTP晶体温度场的影响.通过对腔内倍频KTP晶体工作特点的分析，建立了方形非线性晶体热模型并首次引入了方形晶体辐射偏心度的定义.基于热传导方程，得到了温度场分布的一般解析表达式. |
| 关 键 词： | 激光器 非线性晶体 内腔倍频 温度场模式 |
| 收稿时间： | 2004-11-08 |
| 修稿时间： | 2004-11-08 |
Temperature Modeling of Intracavity Doubling Frequency Nonlinear Crystal |
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| . Temperature Modeling of Intracavity Doubling Frequency Nonlinear Crystal[J]. Acta Photonica Sinica, 2005, 34(10): 1441-1444 |
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| Authors: | |
| Affiliation: | (1 Faculty of Science,Xi′an University of Architecture &; Technology,Xi′an 710055) (2 School of Electronic &; Information Engineering,Xi′an Jiaotong University,Xi′an 710049) (3 The Institute of Photonics &; Photo Technology of Northwest University,Key Laboratory of Photoelectronic Technology of Shaanxi Province ,Xi′an 710069) |
| Abstract: | In order to improve harmonic conversion efficiency and eliminate walk-off effect,temperature field of nonlinear crystal was accurately calculated.Through work state analysis of KTP crystal with intracavity doubling frequency,a thermal model of rectangle nonlinear crystal was buildt and the radiation eccentricity (RE) of a rectangle crystal was first defined.Based on heat conductive equation,a general analytical solution of temperature model was obtained and the temperature model influenced by eccentric radiated of fundamental wave was first investigated. |
| Keywords: | Laser Nonlinear crystal Intracavity doubling frequency Thermal model |
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