Ultraviolet resistant silica glass fiber

U.S. Patent Number: 5335306

Abstract: A silica glass optical fiber superior in resistance to ultraviolet rays, which fiber comprises a doped silica glass cladding layer formed on a silica glass core, said silica glass core having an OH content of 10-1000 ppm, a fluorine content of 50-5000 ppm, and being substantially free of chlorine.

Inventors: Takita; Masatoshi (Jyoetsu, JP), Hayami; Hiroyuki (Itami, JP), Suzuki; Koichi (Itami, JP)

Assignee: Shin-Etsu Chemical Co., Ltd. (Tokyo, JP) Mitsubishi Cable Industries, Ltd. (Amagasaki, JP)

Application Number: 07/953,787

Issued: 1994-08-02

Expired: 2006-08-02

Classes: 385/142 ; 385/115; 501/37; 501/54

Field of search: 501/37,95,53,54 252/582,584,588 385/115,116,123,126,141,142,144

Click the image above to view patent images at uspto.gov within a frame.

Click here for the fulltext page on uspto.gov within a frame.