DS/EN ISO 11146-1:2005
激光器和激光相关设备 激光束宽度、发散角和光束传播比的测试方法 第1部分:散光和简单散光光束(ISO 11146-1:2005)
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)