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yong yu ji guang er ji guan beng pu de nd:yag ji guang qi zhong sheng guang q kai guan de yan jiu
Author(s): 
Pages: 73-77
Year: Issue:  3
Journal: Ocean Technology

Keyword:  声光Q开关Nd:YAGDPL;
Abstract: 近年来,激光二极管泵浦的Nd:YAG激光器(DPL)以其诸多优点引起人们的关注,因此开发小型和高效率,适用于DPL中的声光Q开关(MAOQ)成为重要的研究方向。据文献报道,以熔石英玻璃为声光介质,研制成功的MAOQ,工作在Bragg衍射区,驱动功率1~5W,衍射效率10%-30%可调。本文从激光原理出发,详细地探讨MAOQ的工作原理;对声光互作用长度的选取进行了分析;对入射角与衍射损耗进行了实验研究。针对MAOQ的设计难点,选取重火石玻璃为MAOQ的材料,将其设计在过渡衍射区,使入射角为零。当驱动功率4W时,对1.06μm的光波,衍射损耗效率为26%。
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