title: Generalized bending equations for the radial gradient-index optical system.
abstract: Generalized bending equations and an example of their use for a radial gradient-index lens system are described. It is shown that the equations are effective tools in real optical design.
authors.forename: K
authors.initials: K
authors.lastname: Takada
authors.forename: K
authors.initials: K
authors.lastname: Hyakumura
authors.forename: K
authors.initials: K
authors.lastname: Yamamoto