Method of manufacturing photonic crystal fiber using structure-indicating rods or capillaries
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United States of America Patent
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Nov 30, 2010
Grant Date -
May 11, 2006
app pub date -
Feb 9, 2004
filing date -
Feb 12, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for manufacturing a photonic crystal fiber including arranging a spacer formed of two or more spacer parts in a support tube such that the inner wall surface of the support tube has a substantially regular polygonal cross-sectional shape which allows closest packing of a core rod and a plurality of capillaries or the capillaries only; and forming a preform by packing in a support tube the core rod for forming a solid core and the capillaries for forming a cladding, or by providing a core space for forming a hollow core in a support tube and packing in the support tube a plurality of capillaries for forming the cladding; and drawing the preform into a fiber under heating.
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