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AOM FREQUENCY AND AMPLITUDE MODULATION TECHNIQUES FOR FACILITATING FULL BEAM EXTINCTION IN LASER SYSTEMS

机译：激光系统中全光束消光的AOM频率和振幅调制技术

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摘要

Digital control of frequency and/or amplitude modulation techniques of an intracavity and/or extracavity AOM (60) facilitate substantially full extinction of a laser beam (90) to prevent unwanted laser energy from impinging a workpiece (80); facilitate laser pulse amplitude stability through closed-loop control of pulse-to-pulse laser energy; facilitate beam-positioning control including, but not limited to, closed-loop control for applications such as alignment error correction, beam walk rectification, or tertiary positioning; and facilitate employment of more than one transducer on an AOM (60) to perform any of the above-listed applications.

机译：腔内和/或腔外AOM（ 60 ）的频率和/或振幅调制技术的数字控制可促进激光束（ 90 ）的基本完全消光，以防止不必要的激光撞击工件的能量（ 80 ）;通过对脉冲间的激光能量进行闭环控制，提高激光脉冲幅度的稳定性;促进光束定位控制，包括但不限于针对对准误差校正，光束走动整流或三次定位等应用的闭环控制;并促进在AOM（ 60 ）上使用多个换能器来执行上面列出的任何应用。 展开▼

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公开/公告号US2006028710A1

专利类型

公开/公告日2006-02-09

原文格式PDF

申请/专利权人 JAY JOHNSON;DAVID WATT;BRIAN BAIRD;RICHARD HARRIS;
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申请/专利号US20050138657

发明设计人 JAY JOHNSON;RICHARD HARRIS;DAVID WATT;BRIAN BAIRD;
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申请日2005-05-25

分类号G02F1/33;

国家 US

入库时间 2022-08-21 21:42:50

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机译： AOM频率和振幅调制技术，可促进激光系统中的全光束消光

4. AOM modulation techniques for facilitating pulse-to-pulse energy stability in laser systems [P] . 美国专利： US7027199B2 . 2006-04-11

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5. AOM modulation techniques for facilitating pulse-to-pulse energy stability in laser systems [P] . 美国专利： US2005270631A1 . 2005-12-08

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