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Appl Opt. 1988 Feb 1;27(3):486-91. doi: 10.1364/AO.27.000486.

New interfacial-gel copolymerization technique for steric GRIN polymer optical waveguides and lens arrays.


A new interfacial-gel copolymerization technique is proposed to prepare steric gradient-index (GRIN) optical waveguides and lens arrays. Since the GRIN profile is obtained from the thin-gel phase formed on the wall of a polymer substrate, many geometrical GRIN materials, such as axial-, radial-, and spherical-GRIN, can be monolithically fabricated. In this paper the principle of GRIN formation is clarified, and a few steric radial -GRIN circuit components are demonstrated.

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