Lasers and laser-related equipment—Test methods for laser beam widths,divergence angles and beam propagation ratios—Part 1:Stigmatic and simple astigmatic beam
IDT ISO 11146-1:2005
全国光学和光子学标准化技术委员会(SAC/TC 103)
GB/T 26599的本部分规定了激光光束的光束宽度（直径）、发散角与光束传输比的测量方法。GB/T 26599 的本部分仅适用于无像散和简单像散光束。如果光束的类型未知，或者光束是广义像散光束，则本部分不适用。
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