The alignment of laser beam to fiber end face and degradation of beam quality can increase the coupling losses. This paper analyzes their effects to the coupling efficiency.
激光与光纤的机械对准误差和光束质量下降导致了耦合损失，本文分析了它们对耦合效率的影响。
Image processing is one of the key techniques in laser beam automatic alignment.
图像处理是光路自动准直的关键技术之一。
The benchmark beam of light is generated by semiconductor laser and received by light targets with PSD. Finally the measure of shaft center-line alignment is finished by optimum algorithm.
该方法以准直半导体激光光束为基准线，采用PS D光靶获取轴瓦位置二维位置信息，再由优化算法实现轴系的对中计算。
A new theoretical basis of novel laser alignment instrument is put forward. It proves that the position of the basic line will not be influenced when the laser beam has translation and angular motion.
提出一种新型激光准直仪理论根据，证明在一定范围内激光束平移或角位移并不影响基准线的位置。
A new theoretical basis of novel laser alignment instrument is put forward. It proves that the position of the basic line will not be influenced when the laser beam has translation and angular motion.
提出一种新型激光准直仪理论根据，证明在一定范围内激光束平移或角位移并不影响基准线的位置。
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