DIN EN ISO 11146-2:2021-11
激光器和激光相關(guān)設(shè)備-激光束寬度、發(fā)散角和光束傳播比的測試方法-第2部分:一般像散光束
Lasers and laser-related equipment - Test methods for laser beam widths, divergence angles and beam propagation ratios - Part 2: General astigmatic beams (ISO 11146-2:2021); German version EN ISO 11146-2:2021