Axiom Optics published a guide titled How to Measure M² that provides an ISO 11146-compliant laser beam characterization guide breaking down scanning vs. instantaneous measurement techniques and calculating parameters such as M², spot size, and Rayleigh length.

Founded in 2010, Axiom Optics is a North American distributor of high-end optical instrumentation including: advanced light microscopy products, scientific cameras & vision systems, solutions for laser beam diagnostics, positioning & motion hexapods, wavefront sensors, and various adaptive optics solutions. Each member of our dedicated technical sales team has years of experience in their respective field and is able to assist our customers in academia, industry, and government with engineering advice, demonstration units, technical training, on-site installation and support. Our mission is to support researchers and engineers seeking solutions to the most important challenges of the 21st century including climate, energy, manufacturing, healthcare, space, information and more.