Lasers and laser-related equipment - Test methods for laser beam widths, divergence angles and beam propagation ratios - Part 1: Stigmatic and simple astigmatic beams (ISO 11146-1:2005)
激光和激光相关设备.激光束宽度 发散角和光束传播比的试验方法.第1部分:像散光束和简单像散光束(ISO 11146-1-2005)