OPTICAL WAVEGUIDE WITH MULTIPLE CORE LAYERS AND METHOD OF FABRICATION THEREOF - Patent 1151333

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EP 1 151 333 A1

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(43)	Date of publication:
	07.11.2001 Bulletin 2001/45

(21)	Application number: 00901778.1

(22)	Date of filing: 07.02.2000

(51)	International Patent Classification (IPC)⁷: G02B 6/132, H01S 3/063

(86)	International application number:
	PCT/GB0000/323

(87)	International publication number:
	WO 0046/619 (10.08.2000 Gazette 2000/32)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

05.02.1999 GB 9902477

(71)	Applicant: THE UNIVERSITY COURT OF THE UNIVERSITY OF GLASGOW
	Glasgow G12 8QQ (GB)

(72)	Inventors:
	DA SILVA MARQUES, Paulo, Vicente P-4050 Porto (PT) BONAR, James, Ronald Paisley PA2 6JA (GB) AITCHISON, James, Stewart Glasgow G12 9DN (GB) PAIS PEREIRA LEITE, Antonio, Manuel P-4150 Porto (PT)

(74)	Representative: Naismith, Robert Stewart et al
	CRUIKSHANK & FAIRWEATHER19 Royal Exchange Square Glasgow, G1 3AEScotland Glasgow, G1 3AEScotland (GB)

(54)	OPTICAL WAVEGUIDE WITH MULTIPLE CORE LAYERS AND METHOD OF FABRICATION THEREOF