Photonic crystal fibers
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United States of America Patent
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Jan 24, 2006
Grant Date -
Mar 27, 2003
app pub date -
Dec 11, 2000
filing date -
Dec 10, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A photonic crystal fiber comprising a bulk material having an arrangement of longitudinal holes, the fiber including a cladding region and a guiding core (280), the cladding region having an effective-refractive-index which varies across the fiber's cross section, wherein, in use, the effective-refractive-index variation causes light propagating in the fiber to have a different transverse profile from the profile that it would have if the cladding region were of a substantially uniform effective refractive index.
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