An algebraic formula is derived for the fifth-order distortion of a GRIN-rod lens. By measuring distortion, one can then determine the coefficients of the profile formula.
© 1983 Optical Society of America
Original Manuscript: June 30, 1982
Published: February 1, 1983
Erich W. Marchand, "Distortion in a gradient-index rod," Appl. Opt. 22, 404-406 (1983)