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1. 发明申请

WO2002091075A1 ALGORITHM FOR ENHANCING THE LIFETIME OF CRITICAL COMPONENTS IN A LASER SYSTEM 审中-公开
标题翻译：提高激光系统关键部件寿命的算法
公开(公告)号：WO2002091075A1
公开(公告)日：2002-11-14
申请号：PCT/US2002/014851
申请日：2002-05-08
申请人： SPECTRA PHYSICS, INC. , GRUBER, Lukas , HODGSON, Norman , HOFFMAN, Hanna, J. , ANGSTENBERGER, Joerg
发明人： GRUBER, Lukas , HODGSON, Norman , HOFFMAN, Hanna, J. , ANGSTENBERGER, Joerg
IPC分类号： G02F1/35
CPC分类号： G02F1/3525
摘要： A method and system are described aimed at substantially increasing the lifetime of sensitive optical elements subjected to high power laser radiation. The lifetime enhancement is accomplished by spatially distributing the laser beam spots both globally and locally according to algorithms that are custom tailored to the subject element as well as the system and application needs. The methods of the invention are particularly well-suited to non-linear crystals used to convert radiation from high repetition rate, diode-pumped laser systems into the UV spectral range, where lifetime requirements are particularly challenging. The methods of the invention further enable effective utilization of available experimental data characterizing the element's performance in combination with a stored library of preferred spot scanning patterns that may be executed on the surface of the element according to the selected algorithm.
摘要翻译：描述了一种方法和系统，其目的在于大大增加经受高功率激光辐射的敏感光学元件的寿命。寿命增强是通过根据针对主题元素定制的算法以及系统和应用需求的全局和局部空间分布激光束斑点而实现的。本发明的方法特别适用于用于将来自高重复率，二极管泵浦激光系统的辐射转换成UV光谱范围的非线性晶体，其中寿命要求是特别具有挑战性的。本发明的方法还可以有效利用表征元件性能的可用实验数据，并结合存储的可根据所选算法在元件表面上执行的优选点扫描图案库。

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