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一、前言我们单位由于研制和生产相位式气体激光测距仪的需要,曾开展了内腔式氦——氖激光器的研制工作和小批量的生产。工作中,我们发现,反射镜片的粘贴工艺经常是制作激光器成败的关键。以前,我们采用单台内调焦平行光管进行准直磨管,并用粘贴同心环的办法使球面镜的球心落在放电管的轴线上,这种方法虽然也能奏效,有时也能制作出性能良好的器件来,但由于重覆性差,因此较佳输出的成品率不高。近年来,不少单位在粘贴镜片方面先后
I. INTRODUCTION Due to the need of developing and manufacturing phase laser range finder, our unit has carried out the research work and small-batch production of cavity-type helium-neon laser. At work, we found that the reflex bonding process is often the key to the success or failure of a laser. In the past, we used a single intracavity focusing collimator to collimate the tube, and by gluing the concentric rings to make the sphere of the spherical mirror fall on the axis of the discharge tube. Although this method works well, it can sometimes be made Good performance of the device, but due to poor repeatability, so the output rate of the output is not high. In recent years, many units have adhered to the lens in succession