The expressions of the heterodyne efficiency in the conditions of three kinds of optical mismatch including equiphase surface mismatch, collimation mismatch and deviation mismatch are analyzed.
分析了三种光学失配情形（等相位面失配、准直失配和偏移失配）下外差效率的不同表达形式，计算了三种失配情形影响下的外差效率变化曲线。
With this model, all kinds of factors on the coupling efficiency and collimation degree of the muti-mode fiber collimator were analyzed.
利用所建立的模型，分析了各种因素对光纤准直器耦合效率和准直度的影响。
Laser with a bright red line, shop staff, such as cloth to collimation, have the effect of collimation of accurate positioning, improve the printing accuracy, improve the work efficiency greatly.
激光器打出一条明亮的红线，工作人员铺布等需准直的时候，起到精确定位准直的作用，提高印花精度，大大提高工作效率。
Laser with a bright red line, shop staff, such as cloth to collimation, have the effect of collimation of accurate positioning, improve the printing accuracy, improve the work efficiency greatly.
激光器打出一条明亮的红线，工作人员铺布等需准直的时候，起到精确定位准直的作用，提高印花精度，大大提高工作效率。
应用推荐