In order to obtain the laser beam with better beam quality, less spot diameter and higher power density in laser manufacturing (LM), Gaussian beam used in LM was transmitted and transformed.

• 摘要为了获得光束质量较好、光斑尺寸较小、功率密度较高的、适合激光加工的激光束，对激光加工中的高斯光束进行传输与变换。