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Fabrication of miniature fiber-optic temperature sensors

United States Patent

July 27, 2010
View the Complete Patent at the US Patent & Trademark Office
A method of coupling a silica fiber and a sapphire fiber includes providing a silica fiber having a doped core and a cladding layer, with the doped core having a prescribed diameter, providing a sapphire fiber having a diameter less than the doped core, placing an end of the sapphire fiber in close proximity to an end of the silica fiber, applying a heat source to the end of silica fiber and introducing the end of sapphire fiber into the heated doped core of the silica fiber to produce a coupling between the silica and sapphire fibers.
Zhu; Yizheng (Durham, NC), Wang; Anbo (Blacksburg, VA)
Virginia Tech Intellectual Properties, Inc. (Blacksburg, VA)
11/ 835,835
August 8, 2007
STATEMENT OF GOVERNMENT INTEREST This invention was made with Government support under Grant No. DE-FC26-99FT40685 awarded by the Department of Energy. The Government has certain rights in the invention.