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1. 发明授权

US5953354A Laser resonator optical alignment 失效
标题翻译：激光谐振器光学对准
公开(公告)号：US5953354A
公开(公告)日：1999-09-14
申请号：US17932
申请日：1998-02-03
申请人： Phillip Randall Staver , William Taylor Lotshaw
发明人： Phillip Randall Staver , William Taylor Lotshaw
IPC分类号： H01S3/08 , H01J3/098
CPC分类号： H01S3/08
摘要： A laser resonator includes a laser medium having opposite end faces inclined at Brewster's angle and disposed in optical alignment between spaced-apart and tilted first and second optical elements. A method for adjusting the optical alignment includes pumping the laser medium to produce a laser beam, and adjusting separation spacing between the two optical elements. Tilt of at least one of the optical elements is adjusted in response to any observed change in beam cross-sectional size. In an additional embodiment, the laser medium is initially positioned at about equal spacings between the first and second elements. Position of the laser medium is then adjusted, at a constant value of the separation spacing, to within a position range selected for a specific value of a ratio of intracavity peak power of circulation of the laser beam and a critical power for self-focusing to effect discrimination of mode-locked operation over continuous wave operation.
摘要翻译：激光谐振器包括激光介质，其具有以布鲁斯特角倾斜的相对端面并且在间隔开的和倾斜的第一和第二光学元件之间光学对准。用于调整光学对准的方法包括泵送激光介质以产生激光束，以及调节两个光学元件之间的间隔。响应于任何观察到的光束横截面尺寸的变化来调整至少一个光学元件的倾斜。在另外的实施例中，激光介质最初位于第一和第二元件之间的大致相等的间隔处。然后将激光介质的位置以分离间隔的恒定值调整到针对激光束的循环的腔内峰值功率与用于自聚焦的临界功率的比率的特定值所选择的位置范围内对连续波操作的锁模操作的影响判别。

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