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1. 发明授权

US07079557B1 Intracavity OPO laser 失效
标题翻译：腔内OPO激光
公开(公告)号：US07079557B1
公开(公告)日：2006-07-18
申请号：US10677826
申请日：2003-10-02
申请人： Yusong Yin , Nan Yin , Frank F. Wu
发明人： Yusong Yin , Nan Yin , Frank F. Wu
IPC分类号： H01S3/10
CPC分类号： H01S3/1083 , H01S3/08086 , H01S3/09415 , H01S3/109 , H01S3/11 , H01S3/113 , H01S3/1611 , H01S3/1653
摘要： A laser having an optical parametric oscillator for providing a preselected wavelength beam is provided. A nonlinear crystal cut for phase matching condition preferably cut for noncritical phase matching conditions for the fundamental beam wavelength and the preselected wavelength beam is located in both the optical parametric oscillator cavity and laser resonator cavity.The optical axis of the laser resonator and the optical axis of the optical parametric oscillator cavity are at least partially separate and partially overlap. The laser crystal is located in the laser resonator cavity but not in the optical parametric oscillator cavity. Each end of the OPO nonlinear crystal that intersects the optical axes has a Brewster cut for both the fundamental and preselected wavelength beams so that the fundamental and preselected wavelength beams incident on the nonlinear crystal at approximately the Brewster angle and pass through without substantial reflection loss.The fundamental wavelength beam is directed into the optical parametric oscillator cavity and incidents on nonlinear crystal having a Brewster cut at each end for fundamental and preselected wavelength beam without substantial reflection loss. A portion of the fundamental wavelength beam is partially converted to a preselected wavelength beam. The fundamental beam and the preselected wavelength beams are reflected back through the nonlinear crystal. Preselected wavelength beam is separated from the fundamental wavelength beam.
摘要翻译：提供具有用于提供预选波长光束的光学参量振荡器的激光器。针对基波束波长和预选波长光束的非临界相位匹配条件优选地切割用于相位匹配条件的非线性晶体切割位于光学参量振荡器腔和激光谐振腔中。激光谐振器的光轴和光参量振荡器腔的光轴至少部分分开并部分重叠。激光晶体位于激光谐振腔中，但不在光参量振荡器腔中。与光轴相交的OPO非线性晶体的每个端部都具有基波和预选波长光束的布鲁斯特切割，使得基波和预选波长光束以大约布鲁斯特角入射到非线性晶体上并通过而没有实质的反射损耗。基本波长光束被引导到光参量振荡器腔中，并且在具有布鲁斯特的非线性晶体上的事件在每个端部切割用于基波和预选波长波束而没有实质的反射损耗。基波长光束的一部分被部分地转换成预选的波长光束。基波束和预选波长光束通过非线性晶体反射回来。预选波长光束与基波长光束分离。

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