(19)
(11) EP 1 161 697 A1

(12)

(43) Date of publication:
12.12.2001 Bulletin 2001/50

(21) Application number: 00914851.1

(22) Date of filing: 07.03.2000
(51) International Patent Classification (IPC)7G02B 6/20, G02B 6/22
(86) International application number:
PCT/US0005/948
(87) International publication number:
WO 0055/661 (21.09.2000 Gazette 2000/38)
(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

(30) Priority: 12.03.1999 US 123862 P

(71) Applicant: CORNING INCORPORATED
Corning, N.Y. 14831 (US)

(72) Inventor:
  • LI, Ming-Jun
    Horseheads, NY 14845 (US)

(74) Representative: Boon, Graham Anthony 
Elkington and Fife,Prospect House,8 Pembroke Road
Sevenoaks,Kent TN13 1XR
Sevenoaks,Kent TN13 1XR (GB)

   


(54) LARGE EFFECTIVE AREA WAVEGUIDE FIBER