鲍威尔棱镜是一种光学划线棱镜，它使激光束通过后可以最优化地划成光密度均匀、稳定性好、直线性好的一条直线。鲍威尔棱镜划线优于柱面透镜的划线模式，能消除高斯光束的中心热点和褪色边缘分布。(Powell prism is an optical crossed prism, it can make the laser beam through a straight line optimization into light uniform density, good stability, good lin