BROADBAND TUNABLE IN-LINE FILTER FOR FIBER OPTICS - Patent 0304441

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EP 0 304 441 A1

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(43)	Date of publication:
	01.03.1989 Bulletin 1989/09

(21)	Application number: 88901382.0

(22)	Date of filing: 20.01.1988

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International Patent Classification (IPC):

G02B 6/ 00^{( . )}
G02B 6/ 34^{( . )}

G02B 6/ 293^{( . )}
G02B 26/ 00^{( . )}

(86)	International application number:
	PCT/US1988/000166

(87)	International publication number:
	WO 1988/005550 (28.07.1988 Gazette 1988/17)

(84)	Designated Contracting States:
	DE FR GB

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Priority:

20.01.1987 US 19870004997

(71)	Applicant: HEWLETT-PACKARD COMPANY
	Palo Alto, CA 94304 (US)

(72)	Inventor:
	SORIN, Wayne, Victor Mountain View, CA 94040 (US)

(74)	Representative: Liesegang, Roland, Dr.-Ing.
	FORRESTER & BOEHMERT Franz-Joseph-Strasse 38 W-8000 München 40 W-8000 München 40 (DE)

(54)	BROADBAND TUNABLE IN-LINE FILTER FOR FIBER OPTICS