Optical waveguides – Optical fiber waveguide with cladding
Reexamination Certificate
2006-05-16
2006-05-16
Kim, Ellen E. (Department: 2874)
Optical waveguides
Optical fiber waveguide with cladding
C385S037000, C065S530000
Reexamination Certificate
active
07046886
ABSTRACT:
A system and method in accordance with the present invention applies short bursts of a high temperature fluid to a hydrogen-loaded fiber to relocate the hydrogen within the fiber in the proximity of the fiber's core—to achieve a fiber having significantly improved photosensitivity. A stronger fiber grating is realized when the fiber is subsequently exposed to ultraviolet light.
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Michael Fokine and Walter Margulis, “Large increase in photosensitivity through massive hydroxyl formation,” Optics Letters, vol. 25, No. 5 (Mar. 1, 2000), pp. 302-304.
3SAE Technologies, Inc.
Kim Ellen E.
McDermott Will & Emery LLP
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