Lasers and laser-related equipment. Test methods for laser beam widths, divergence angles and beam propagation ratios - Stigmatic and simple astigmatic beams Ingestion-build-224916 7 Distance calibration

7 Distance calibration

especially when the mating stud or bolt will be removed frequently

The purpose of BS EN 4819 is to provide the best industry requirements that can enhance the performance and reliability of CMB tags for aerospace applications

can be achieved

relative voltage level

Lasers and laser-related equipment. Test methods for laser beam widths, divergence angles and beam propagation ratios - Stigmatic and simple astigmatic beams Ingestion-build-224916 7 Distance calibration1 Scope This part of ISO 11146 specifies methods for measuring beam widths (diameter), divergence angles and beam propagation ratios of laser beams. This part of ISO 11146 is only applicable for stigmatic and simple astigmatic beams. If the type of the beam is unknown, and for general astigmatic beams, ISO 11146 2 should be applied.