Process of fabricating light-focusing plastic optical elements

Details Process of fabricating light-focusing plastic optical elements Process of fabricating light-focusing plastic optical elements

1993-04-13

1995-04-11

Vargot, Mathieu

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Composite or multiple layer

264 26, 264343, 264 124, 427164, 4271632, B29D 1100

Patent

active

054055563

ABSTRACT:
A process of fabricating a light-focusing plastic optical element includes preparing a prepolymer transparent preform. The prepolymer preform is immersed in a solution containing more than one monomer, each of the monomers having a different reactivity ratio from the other. Some of the monomers may permeate into and disperse in the preform so as to swell the prepolymer preform. The monomers dispersed in the preform are copolymerized after the preform is swelled completely to produce a plastic optical element.

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Yasuji Ohtsuka, et al-"Studies on the light-focusing plastic rod". Applied Optics, vol. 20, No. 13-pp. 2319-2323.
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Yasuhiro Koike, et al-"New interfacial-gel copolymerization technique . . . " Applied Optics, vol. 27, No. 3-pp. 486-491.

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