A new method of ray tracing through an inhomogeneous lens with radial symmetry of the refractive-index distribution is proposed that consists of a parametric determination of the polar coordinates of the current ray position.
© 1992 Optical Society of America
J. R. Flores, J. Sochacki, M. Sochacka, and R. Staroński, "Quasi-analytical ray tracing through the generalized Luneburg lens," Appl. Opt. 31, 5167-5170 (1992)