Fiber optical amplifier having a detector for measuring scattere

Details Fiber optical amplifier having a detector for measuring scattere Fiber optical amplifier having a detector for measuring scattere

1994-03-30

1995-11-28

Moskowitz, Nelson

Optical: systems and elements

Optical amplifier

Optical fiber

359177, 285 48, H01S 3094, H01S 317

Patent

active

054713420

ABSTRACT:
In a fiber-optic amplifier, which consists of at least one pump coupler (2) with a pumping light source (1) and an erbium-doped fiber length (7) which is spliced to the pump coupler (2), at least one detector is located in the splice area (12) between the fiber length (7) and the outgoing transmission line, to monitor the amplifier by measuring the scattered light coming from this splice area (12). An electrical evaluating device follows the detector.

REFERENCES:
patent: 4963832 (1990-10-01), Desurvire et al.
patent: 5005175 (1991-04-01), Desurvire et al.
patent: 5054876 (1991-10-01), Grasso et al.
patent: 5195149 (1993-03-01), Pfeiffer et al.
patent: 5229876 (1993-07-01), Fatehi et al.
patent: 5278932 (1994-01-01), De Veau et al.
patent: 5333089 (1994-07-01), Heldmann
"Optical Communications Technology", second issue, Berlin, Heidelberg, New York, Tokyo, springer Publishers, pp. 296-302 by G. Grau.

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