EP0345957A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Optical fibre amplifier
Assignee: Prysmian Cables and Systems Ltd
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Filing: 1989-05-19
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Granted: —
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Expires: 2009-05-19
Abstract
Abstract An Ar⁺ion laser pumped optical fibre amplifier is provided with an optical fibre having a core which has been solution doped using a solution of an aluminium and an erbium salt.
Inventors
- 👤 Richard Ian Laming
- 👤 Simon Blanchette Poole
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 22:56
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/35; H; H01; H01S; H01S3/00; H01S3/05; H01S3/06; H01S3/063; H01S3/067; H01S3/06708; C; C03; C03B; C03B37/00; C03B37/01; C03B37/012; C03B37/014; C03B37/018; C03B37/01807; C03B37/01838; C03B2201/00; C03B2201/06; C03B2201/30; C03B2201/31; C03B2201/34; C03B2201/36; H01S3/14; H01S3/16; H01S3/1601; H01S3/1603; H01S3/1608; H01S3/1691; H01S3/1693
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
30 words
An Ar+ion laser pumped optical fibre amplifier having an optical fibre comprising a core which has been solution doped using a solution of an aluminum salt and an erbium salt.
Claim 2
Dependent Claim
30 words
An Ar+ion laser pumped optical fibre amplifier having an optical fibre comprising a core which has been solution doped using a solution of an aluminum salt and an erbium salt.
Claim 3
Dependent Claim
15 words
An amplifier as claimed in claim 1, wherein the aluminum salt is aluminium trichloride hexahydrate.
Claim 4
Dependent Claim
15 words
An amplifier as claimed in claim 1, wherein the erbium salt is erbium trichloride hexahydrate.
Claim 5
Dependent Claim
19 words
An amplifier as claimed in claim 1, 2 or 3, wherein the core contains a few hundred ppm Er³⁺.
Claim 6
Dependent Claim
15 words
An amplifier as claimed in claim 4, wherein the core contains about 300 ppm Er³⁺.
References Cited (Backward Citations)
No citation records indexed.
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