DIN EN ISO 11146-1 E:2020-06 Lasers and laser-related equipment - Test methods for laser beam width, divergence angle and beam diffusivity - Part 1: Astigmatism-free and simple astigmatism beams (draft)
2021DIN EN ISO 11146-1:2021 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 11146-1:2021); German version EN ISO 11146-1:2021
1970DIN EN ISO 11146-1 E:2020-06 Lasers and laser-related equipment - Test methods for laser beam width, divergence angle and beam diffusivity - Part 1: Astigmatism-free and simple astigmatism beams (draft)
2005DIN EN 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); German version EN ISO 11146-1:2005