Studies on the light-focusing plastic rod. 15: GRIN rod prepared by photocopolymerization of a ternary monomer system.
Plastic GRIN rod and fiber lenses have been fabricated by photocopolymerization of a ternary monomer system, methyl methacrylate-N-vinyl carbazole-vinyl acetate. We now propose the general mechanism for forming radial GRIN in the ternary monomer system using computer simulation. The relationship between the preparation condition and the optical characteristics was clarified. The region having quadratic-index distribution and the numerical aperture were remarkably improved by the ternary monomer system.
Koike
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Keio University, Faculty of Science & Technology, Department of Applied Chemistry, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama-shi 223, Japan.
Ohtsuka
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Y