(19)
(11)
EP 1 038 338 A1
(12)
(43)
Date of publication:
27.09.2000
Bulletin 2000/39
(21)
Application number:
98960794.0
(22)
Date of filing:
07.12.1998
(51)
International Patent Classification (IPC)
7
:
H01S
3/06
,
G02B
6/22
(86)
International application number:
PCT/US9825/943
(87)
International publication number:
WO 9930/391
(
17.06.1999
Gazette 1999/24)
(84)
Designated Contracting States:
DE ES GB
(30)
Priority:
09.12.1997
US 987862
(71)
Applicant:
SCIENTIFIC-ATLANTA, INC.
Norcross,Georgia 30092 (US)
(72)
Inventors:
ANTHON, Douglas, W.
Wheaton, IL 60187 (US)
MATON, Peter
SouthamptonHampshire SO50 7GR (GB)
SPEED, Ashley
SouthamptonHampshire SO30 2RU (GB)
(74)
Representative:
Kügele, Bernhard et al
NOVAPAT INTERNATIONAL SA,9, Rue du Valais
1202 Genève
1202 Genève (CH)
(54)
DOUBLE-CLAD RARE EARTH DOPED OPTICAL FIBERS