Method for treating optical fiber and apparatus for treating...

Optical waveguides – Optical fiber waveguide with cladding

Reexamination Certificate

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C385S110000, C385S115000

Reexamination Certificate

active

07486863

ABSTRACT:
A method of treating optical fiber includes at least a first step of creating a reduced-pressure atmosphere in a space which holds the optical fiber, and a second step of introducing to the space a deuterium-containing gas so as to expose the optical fiber to the gas.

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