US Patent 7295580 Numerical aperture optimization using doped cladding layers
Patent 7295580 was granted and assigned to Hrl Laboratories, Llc on November, 2007 by the United States Patent and Trademark Office.
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Patent Inventor Names
David S. Sumida0
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Patent abstract
A method and apparatus for optimizing the numerical aperture (NA) of a laser active core. The laser active core comprises at least a first and second cladding pair. The first and second cladding pair have at least one NA value. At least one of the first and second cladding pair is doped with a dopant to change the first NA value to a second NA value.
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US Patent 07295580 Numerical aperture optimization using doped cladding layers US Patent 7295580 Numerical aperture optimization using doped cladding layers
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Patent Number
07295580
Patent Number
7295580
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US Patent 07295580 Numerical aperture optimization using doped cladding layers
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Current assignee
Patent jurisdiction
Patent number
07295580
Date of patent
November 13, 2007
Patent application number
10846146
Date Filed
May 14, 2004
Patent primary examiner
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