Example image of eyePlorer eyePlorer map for 'Gaussian beam': Beam Electric field Electromagnetic radiation Gaussian function Intensity (physics) Irradiance Optics Laser Optical cavity Transverse mode Lens (optics) Mathematical models in physics Refraction Paraxial approximation Complex number Magnetic field Imaginary unit Radian Wavenumber Characteristic impedance Wavelength Radius of curvature Collimated light Diffraction Beam parameter product Ray transfer matrix analysis Circular symmetry Power (physics) L'Hôpital's rule Orthogonality Basis (linear algebra) Complex conjugate Hermite polynomials Cartesian coordinate system Cartesian Separation of variables Cylindrical coordinate system Laguerre polynomials Elliptic coordinates Polar coordinate system Rayleigh length Complex beam parameter M squared FRED Software Tophat beam Axicon Laser science ASAP (software) Reference beam Vergence (optics)