G - Physics
02
B
88/97
G02B 1/00 (2006.01) D01F 8/10 (2006.01) G02B 1/04 (2006.01) G02B 6/44 (2006.01) B29C 47/00 (2006.01)
Patent
CA 1230767
ABSTRACT A heat-resisting optical fiber comprising a core and a cladding. The core is made of a polymer comprising units of a methacrylic ester, of which the ester moiety has an alicyclic hydrocarbon group of not less than 8 carbon atoms. The cladding is made of a transparent polymeric material having a refractive index at least 3% smaller than that of the core. This optical fiber has excellent heat resistance and good flexibility and can be used at a high temperature over 110°C.
430675
Kato Yasuyuki
Tatsukami Yoshiharu
Wake Shigeo
Kirby Eades Gale Baker
Sumitomo Chemical Co. Ltd.
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