KnowraGaussian beamLinked fromLinked fromThe 6 pages that link to Gaussian beam, each with the reason it gives.All 6Broader topic 3Narrower topic 1Compared with 2Gaussian functionBroader topic: Its measured intensity across the beam follows a Gaussian profile.Paraxial approximationBroader topic: Gaussian beams are exact solutions of the paraxial wave equation.Transverse modeBroader topic: The fundamental transverse mode of many stable laser cavities has this profile.