A HIGH POWER OPTICAL FIBER AMPLIFIER PUMPED BY A MULTI-MODE LASER SOURCE - Patent 0723714

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EP 0 723 714 A1

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(43)	Date of publication:
	31.07.1996 Bulletin 1996/31

(21)	Application number: 94903981.0

(22)	Date of filing: 13.10.1993

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International Patent Classification (IPC):

H01S 3/ 063^{( . )}
H01S 3/ 0915^{( . )}
H01S 3/ 16^{( . )}

H01S 3/ 094^{( . )}
H01S 3/ 0933^{( . )}

(86)	International application number:
	PCT/IT1993/000107

(87)	International publication number:
	WO 1995/010868 (20.04.1995 Gazette 1995/17)

(84)	Designated Contracting States:
	CH DE FR GB IT LI SE

(71)	Applicants:
	ITALTEL SOCIETA ITALIANA TELECOMUNICAZIONI s.p.a. I-20149 Milano (IT) IRE-POLUS CO. Fryazino, Moscow, 141120 (RU)

(72)	Inventors:
	GAPONTSEV, Valentin P. Apartment 320 Fryazino Moscow, 141120 (RU) SAMARTSEV, Igor Apartment 404 Fryazino Moscow, 141120 (RU)

(74)	Representative: Giustini, Delio
	c/o Italtel Società Italiana Telecomunicazioni s.p.a. P.O. Box 10 I-20019 Settimo Milanese (MI) I-20019 Settimo Milanese (MI) (IT)

(54)	A HIGH POWER OPTICAL FIBER AMPLIFIER PUMPED BY A MULTI-MODE LASER SOURCE