Optical transmission systems and apparatuses including Bragg gra

Details Optical transmission systems and apparatuses including Bragg gra Optical transmission systems and apparatuses including Bragg gra

1999-03-25

2000-11-14

Padgett, Marianne

Coating processes

Direct application of electrical, magnetic, wave, or...

Pretreatment of substrate or post-treatment of coated substrate

4271632, 385124, 385141, B05D 306, B05D 506, G02B 602, G02B 610

Patent

active

061467138

ABSTRACT:
Apparatuses, systems, and methods are disclosed for providing optical communications. Bragg grating used in the optical components and systems of the present invention are produced by selectively hydrogenating one or more selected sections of an optical waveguide in general, and particularly optical fiber. Selective hydrogenation can be performed by selectively establishing local conditions in a first environment conducive to introducing greater quantities of hydrogen into selected sections than into non-selected sections, which are maintained in a second environment. The extent of selective hydrogenation and the hydrogen concentration difference between selected and non-selected section of the waveguide is a function of the temperature, pressure, and time of exposure established in the first and second environments.

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