The Focal Length Divergence Measurement Method | Ophir Photonics
Complete M² Measurement Systems
Quick guide on laser beam divergence measurement
Laser beam quality - Wikipedia
Rami Arieli: "The Laser Adventure" Divergence Lab., Page 2 Experimental Procedure : This experiment is best performed in a long corridor, with the lights off. For safety reasons, it is suggested to put the laser on the floor. Figure 1: Measuring Beam ...
Fundamentals of Lasers | Edmund Optics
M2 factor, explained by RP Photonics Encyclopedia; laser beam, quality factor, beam divergence, caustic, ISO Standard 11146
Comparison of Beam Divergence, Beam Diameter and M2 - Litron