Method for aligning optical components

In a fiber optic system, a method for aligning an incoming beam of light and a target fiber that does not use light travelling down the core of the fiber to make adjustments to the relative positions of the beam of light and the fiber. According to the method of the invention, cladding mounted light...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FRICANO GLENN, TRIMMER WILLIAM
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:In a fiber optic system, a method for aligning an incoming beam of light and a target fiber that does not use light travelling down the core of the fiber to make adjustments to the relative positions of the beam of light and the fiber. According to the method of the invention, cladding mounted light detectors detect light in the cladding as the beam of light sweeps across the fiber, and a minimum amount of light detected in the cladding is established during the course of the sweeps. The relative positions of the beam of light and the fiber are then adjusted so that the light detected in the cladding corresponds to the minimum detected during the sweeps.