Angular spectrum representation of the Bessel-Gauss beam and its approximation: A comparison with the localized approximation
Shen Jian, Ying Wang, Haitao Yu, Leonardo A. Ambrósio, G. Gouesbet
Topics & Concepts
Paraxial approximationBessel functionAngular spectrum methodSpectrum (functional analysis)MathematicsMathematical analysisBeam (structure)Gaussian quadratureQuadrature (astronomy)GaussPhysicsOpticsQuantum mechanicsIntegral equationDiffractionNyström methodOrbital Angular Momentum in OpticsAdvanced Fiber Optic SensorsForce Microscopy Techniques and Applications