US Patent 6888992 Photonic crystal fibres
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Patent 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 Inventor Names
Jonathan Cave Knight0
Philip St. John Russell0
Timothy Adam Birks0
Date of Patent
May 3, 2005
0Patent Application Number
107027330
Date Filed
November 7, 2003
0Patent Primary Examiner
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US Patent 6888992 Photonic crystal fibres
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