EntityQ5527843· pop 8· linked from 14 articlesGaussian opticsSign in to savetechnique in geometric opticsConnectionsCarl Friedrich GaussEntityopticsEntitymathematicianEntityphysicistEntityrefractive indexEntityfocal lengthEntitygeometrical opticsEntityHamiltonian mechanicsEntityoptical axisEntitymagnificationEntityphase spaceEntityparaxial approximationEntityGaussian beamEntitycardinal pointEntityCanonical coordinatesEntitysymplectic matrixEntityoptical propertyEntityCategoriesGeometrical optics