Coated optical fiber, optical fiber tape core using it and...

Details Coated optical fiber, optical fiber tape core using it and... Coated optical fiber, optical fiber tape core using it and...

2005-06-14

2005-06-14

Bovernick, Rodney (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

Utilizing multiple core or cladding

C385S126000, C385S127000

Reexamination Certificate

active

06907175

ABSTRACT:
The present invention provides a coated optical fiber in which a silica type optical fiber is coated with n layers (n being an integer of 2 or greater) of UV-curable resin, wherein the sum of respective contraction stress indices FI defined in the n layers of UV-curable resin by the following expression: FI [N]=(Young's modulus [MPa] of the UV-curable resin layer at −40° C.)×(cross-sectional area [mm2] of the UV-curable resin layer)×(effective linear expansion coefficient [10−6/° C.]/106)×(temperature difference 190[° C.]) is 3 [N] or less. The present invention can sufficiently prevent transmission characteristics from deteriorating in a low temperature environment.

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patent: 2001-240433 (2001-09-01), None

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