半导体激光器发出的激光经过柱透镜形成一出射光片。它与母材成一定角度投射到接头上，光片与搭接接头会成一单光纹，而母材垂直上方的CCD摄像机拍摄折线光纹，同步送计算机处理。
The light-plate that is shot by semiconductor laser comes to a certain Angle to throw overlap joint, which brings a single vein of light, and CCD camcorder shoots and sends it to the computer.
研究表明，所制备的体散射导光板样品的出射光主要分布在偏离出光面法线一定角度的方向上，具有良好的光学均匀度。
The results show that the output light mainly distributes in deviation from the normal of LGP at certain angle direction and a good uniformity of intensity can be achieved.
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