Masalkar, P. J; Rao, V. V; Sirohi, R. S
(Indian Institute of Astrophysics, Bangalore, 1991)
GRIN lenses have been fabricated using Ag/sup+/ < -- > Na/sup+/ ion-exchange in glass. The fabrication process and characterization of GRIN lenses are discussed. The refractive index profile was studied on the Mach-Zehnder ...