OPTICAL FILTER FOR FREQUENCY DEPENDENT FILTERING - Patent 1305661

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EP 1 305 661 A1

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(43)	Date of publication:
	02.05.2003 Bulletin 2003/18

(21)	Application number: 00940029.2

(22)	Date of filing: 30.06.2000

(51)	International Patent Classification (IPC)⁷: G02B 6/293, G02B 5/20, G02B 26/02, G02F 1/19, G02F 1/095, H04B 10/17

(86)	International application number:
	PCT/AU0000/735

(87)	International publication number:
	WO 0202/7370 (04.04.2002 Gazette 2002/12)

(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

(71)	Applicant: Nortel Networks (Photonics) Pty Ltd
	Eveleigh, NSW 1430 (AU)

(72)	Inventor:
	FRISKEN, Steven, James Randwick, NSW 2031 (AU)

(74)	Representative: Driver, Virginia Rozanne et al
	Page White & Farrer54 Doughty Street London WC1N 2LS London WC1N 2LS (GB)

(54)	OPTICAL FILTER FOR FREQUENCY DEPENDENT FILTERING