(19)
(11) EP 1 433 022 A2

(12)

(88) Date of publication A3:
08.01.2004

(43) Date of publication:
30.06.2004 Bulletin 2004/27

(21) Application number: 02765070.4

(22) Date of filing: 02.10.2002
(51) International Patent Classification (IPC)7G02F 1/355, G02F 1/133
(86) International application number:
PCT/GB2002/004453
(87) International publication number:
WO 2003/029893 (10.04.2003 Gazette 2003/15)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 03.10.2001 GB 0123742

(71) Applicant: Qinetiq Limited
Farnborough,Hampshire GU14 0LX (GB)

(72) Inventors:
  • MASON, Paul David,Qinetiq Limited
    Malvern,Worcestershire WR14 3PS (GB)
  • ORCHARD, David Arthur,Qinetiq Limited
    Malvern,Worcestershire WR14 3PS (GB)
  • TERRY, Jonathan Andrew Craig,Qinetiq Limited
    Malvern,Worcestershire WR14 3PS (GB)

(74) Representative: Bowdery, Anthony Oliver 
D/IPD DERA Formalities,A4 Building,Room G016,Ively Road
Farnborough, Hants. GU14 OLX
Farnborough, Hants. GU14 OLX (GB)

   


(54) NON-LINEAR OPTICAL STACKS