Results of wave optics and ray optics are summarized to make a convenient and self-consistent expression for gradient-index imaging. By applying the theory, a limit of the transmitted spatial frequency and focused spot is obtained. An optimum design of a light focuser for a video disk is demonstrated.
© 1980 Optical Society of America
Original Manuscript: June 22, 1979
Published: April 1, 1980
Kenichi Iga, "Theory for gradient-index imaging," Appl. Opt. 19, 1039-1043 (1980)