1985-02-28
1987-07-14
Wise, Robert E.
350 9634, G02B 610
Patent
active
046798994
ABSTRACT:
An optical fiber of a silica-based material includes a coating of cured silicone rubber covering an outer surface thereof. The cured silicone rubber coating, when subjected to an infrared spectroscopic measurement, has a transmissivity of not less than 70% at a wave number of 2100 to 2200 cm.sup.-1 at a coating thickness of 0.1 mm due to the infrared absorption due to the stretching and vibration of SiH. The coating of cured silicone rubber contains a neglibible amount of SiH so that the transmission loss of the optical fiber can be prevented from increasing over a long period of time.
REFERENCES:
patent: 3508950 (1970-04-01), Marzocchi
Kobayashi Toshi-aki
Murayama Toshiaki
Sanada Kazuo
Sugawara Yasuyuki
Uesugi Naoshi
Fujikura Ltd.
Nippon Telegraph & Telephone Public Corporation
Wise Robert E.
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