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US Patent 9494738 Single mode fiber combiners

Patent 9494738 was granted and assigned to NLight on November, 2016 by the United States Patent and Trademark Office.

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

John Edgecumbe0

Jason N. Farmer0

Robert G. Waarts0

Date of Patent

November 15, 2016

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Patent Application Number

124742100

Date Filed

May 28, 2009

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Patent Citations Received

US Patent 11885988 Systems and methods for forming energy relays with transverse energy localization

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US Patent 12061356 High density energy directing device

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US Patent 11714242 Optical fiber array and optical fiber connection structure

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Patent Primary Examiner

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Patent abstract

Single mode fiber beam combiners are formed by extending single mode fibers through a glass ferrule, and tapering and fusing the fibers and the ferrule. Tapers can be selected so that optical power input to each of the single mode fibers remains partially guided by the single mode fiber cladding, or is guided by the multimode fiber formed by the glass ferrule and the fused fiber claddings. Such combiners can include double clad fibers or actively doped fibers for use in lasers or amplifiers.

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