(19)
(11) EP 1 275 018 A1

(12)

(43) Date of publication:
15.01.2003 Bulletin 2003/03

(21) Application number: 00979055.1

(22) Date of filing: 01.12.2000
(51) International Patent Classification (IPC)7G02B 6/22
(86) International application number:
PCT/JP0008/528
(87) International publication number:
WO 0107/7727 (18.10.2001 Gazette 2001/42)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 11.04.2000 JP 2000109730

(71) Applicant: Sumitomo Electric Industries, Ltd.
Osaka-shi,Osaka 541-0041 (JP)

(72) Inventors:
  • KATO, Takatoshi,c/o Sumitomo Electric Ind., Ltd.
    Yokohama-shi,Kanagawa 244-8588 (JP)
  • HIRANO, Masaaki,c/o Sumitomo Electric Ind., Ltd.
    Yokohama-shi,Kanagawa 244-8588 (JP)

(74) Representative: Grünecker, Kinkeldey, Stockmair & SchwanhäusserAnwaltssozietät 
Maximilianstrasse 58
80538 München
80538 München (DE)

   


(54) DISPERSION-COMPENSATING OPTICAL FIBER WITH W-SHAPED INDEX PROFILE