This document specifies methods for measuring beam widths (diameter), divergence angles and beam propagation ratios of laser beams. This document 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 is applicable.
Status: PublishedPublication date: 2021-07
Edition: 2Number of pages: 17
Technical Committee: ISO/TC 172/SC 9 Laser and electro-optical systems
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