| 强会聚入射时，BBO晶体倍频效率和束腰半径的关系 |
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| 引用本文： | 胡淼,葛剑虹,陈军,刘崇.强会聚入射时，BBO晶体倍频效率和束腰半径的关系[J].物理学报,2009,58(3):1719-1725. |
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| 作者姓名： | 胡淼 葛剑虹 陈军 刘崇 |
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| 作者单位： | (1)杭州电子科技大学通信工程学院,杭州 310018; (2)浙江大学现代光学仪器国家重点实验室,杭州 310027 |
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| 基金项目： | 浙江省自然科学基金（批准号：20062612E11）资助的课题. |
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| 摘 要： | 研究了强会聚绿光高斯光束入射到BBO晶体中的紫外倍频过程，建立了相应的倍频理论模型. 模型综合考虑了高斯光束的发散，BBO晶体的倍频接受角以及紫外光的走离效应等因素的影响. 理论计算了倍频效率和倍频光的远场分布，并通过实验验证了理论分析结果.
关键词：
BBO晶体紫外倍频
高斯光束
倍频接受角
远场光斑
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| 关 键 词： | BBO晶体紫外倍频 高斯光束 倍频接受角 远场光斑 |
| 收稿时间： | 2008-02-25 |
| 修稿时间： | 8/7/2008 12:00:00 AM |
The relation between UV conversion efficiency and focused green Gaussian beam waist in BBO crystal |
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| Hu Miao,Ge Jian-Hong,Chen Jun,Liu Chong.The relation between UV conversion efficiency and focused green Gaussian beam waist in BBO crystal[J].Acta Physica Sinica,2009,58(3):1719-1725. |
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| Authors: | Hu Miao Ge Jian-Hong Chen Jun Liu Chong |
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| Abstract: | Here we present a theory which predicts the process of ultraviolet generation by frequency doubling of focused green Gaussian beam in BBO crystal. In this theory, phase matching acceptance angle, walk-off angle and the divergence of fundamental beam have been considered. Numerically computed results show that the variations of the waist of Gaussian beam can lead to changes in conversion efficiency and in the ultraviolet transverse intensity distribution of far-field. Comparison between the numerical simulation and experimental results supported our theoretical analysis. |
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| Keywords: | ultraviolet generation Gaussian beam phase match acceptance angle far-field intensity distribution |
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