OPTICAL WAVEGUIDE INTERFEROMETER COMPRISING A LAMINATE STRUCTURE WITH A FIRST PLANAR WAVEGUIDE MONOLAYER AND A SECOND SANDWICH LAYER - Patent 1540315

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EP 1 540 315 A1

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(43)	Date of publication:
	15.06.2005 Bulletin 2005/24

(21)	Application number: 03790990.0

(22)	Date of filing: 21.02.2003

(51)	International Patent Classification (IPC)⁷: G01N 21/77, G01N 21/45, G02B 6/12

(86)	International application number:
	PCT/GB2003/000734

(87)	International publication number:
	WO 2004/020987 (11.03.2004 Gazette 2004/11)

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

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Priority:

29.08.2002 GB 0220058

(71)	Applicant: Farfield Sensors Ltd.
	Salford M6 6AJ (GB)

(72)	Inventors:
	FREEMAN, Neville John Tarporley CW6 0XA (GB) GROSS, Graham Stockton-On-Tees TS21 1HN (GB) RONAN, Gerard Anthony Salford M6 6AJ (GB)

(74)	Representative: Stuttard, Garry Philip
	Urquhart-Dykes & Lord LLPTower North CentralMerrion Way Leeds LS2 8PA Leeds LS2 8PA (GB)

(54)	OPTICAL WAVEGUIDE INTERFEROMETER COMPRISING A LAMINATE STRUCTURE WITH A FIRST PLANAR WAVEGUIDE MONOLAYER AND A SECOND SANDWICH LAYER