Double clad fiber and fiber end processing method, and fiber-combiner connecting structure including the same
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United States of America Patent
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Jan 10, 2012
Grant Date -
May 21, 2009
app pub date -
Nov 14, 2008
filing date -
Nov 16, 2007
priority date (Note) -
Expired
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Abstract
A double clad fiber includes a core, a first cladding provided so as to cover the core, and a second cladding provided so as to cover the first cladding. The second cladding has a plurality of pores extending in a length direction and arranged so as to surround the first cladding. In at least one fiber end, the second cladding has been removed by mechanical processing so that the at least one fiber end is formed by the core and the first cladding.
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