【Key words】 LD side bump; thermal lens; grooved laser rod; laser beam parameters; fiber coupling
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The influences of the optical system focal shift and the detection laser beam parameters on the echo of cat-eye optical system are studied.
研究光学系统离焦量和探测激光束参数对猫眼光学系统回波强度的影响。
As an un-contacting system, it uses the feedback-information of the reaction of the focused laser beam and measured surface to measure the surface appearance parameters.
该仪器属于非接触式，使用聚焦的激光光束与被测表面相互作用所反馈的信息来进行表面形貌参数的测量。
Then, some practical requirements for the laser beam quality and related characteristic parameters are studied.
然后，研究了实际应用对激光光束质量的一些要求和相关的评价参数。
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