Microstructured optical fiber
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United States of America Patent
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May 27, 2003
Grant Date -
Sep 27, 2001
app pub date -
Jan 19, 2001
filing date -
Jan 21, 2000
priority date (Note) -
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Abstract
In an optical fiber having a core region and a cladding region, surrounding the core region, comprising a main medium having different refractive indices from the main medium and spaced apart in the main medium, the core region comprises a central core region having a hollow portion disposed at the center of the core region and an outer core region surrounding the central core region having a mean refractive index higher than the central core region, and the core region has a higher mean refractive index than the cladding region.
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