Photonic crystal fibres

United States of America Patent

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May 3, 2005
Grant Date
Jun 3, 2004
app pub date
Nov 7, 2003
filing date
Feb 19, 1999

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Abstract

In a method of producing a photonic crystal fibre, a preform (300) that includes holes is formed and the preform (300) is drawn into a fibre. The method includes the step of applying a pressure differential to certain of the holes to control changes in the fibre structure during the draw.

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Patent Owner(s)

Patent Owner	Address
CRYSTAL FIBRE A/S	DENMARK BICKLER BIRKEROED REGION HOVEDSTADEN

International Classification(s)

G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Birks, Timothy Adam	Bath, GB	16	522
Knight, Jonathan Cave	Bath, GB	17	396
Russell, Philip St John	Bath, GB	21	993

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Photonic crystal fibres

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United States of America Patent

10702733

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PATENT NO	6888992
APP PUB NO	20040105641A1
SERIAL NO	10702733
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 03, 2005	US,6888992,B2 US6888992B2	GRANTED PATENT AS SECOND PUBLICATION
June 03, 2004	US,20040105641,A1 US20040105641A1	FIRST PUBLISHED PATENT APPLICATION

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10702733

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