KS B ISO 11146:2015 Lasers and laser-related equipment ― Test methods for laser baem parameters ― Beam widths, divergence angle and beam propagation factor
2020KS B ISO 11146-2:2020 Lasers and laser-related equipment — Test methods for laser beam widths, divergence angles and beam propagation ratios —Part 2: General astigmatic beams
2015KS B ISO 11146:2015 Lasers and laser-related equipment ― Test methods for laser baem parameters ― Beam widths, divergence angle and beam propagation factor
2013KS B ISO 11146:2013 Lasers and laser-related equipment ?; Test methods for laser baem parameters ?; Beam widths, divergence angle and beam propagation factor
2003KS B ISO 11146:2003 Lasers and laser-related equipment-Test methods for laser beam prarameters-Beam widths, divergence angle and beam propagation factor