GAIN FLATTENING FILTER, AND METHOD FOR MANUFACTURING GAIN FLATTENING FILTER

A gain flattening filter includes a first optical fiber that has a core, a core, a first cladding, and a second cladding and that has a uniform composition in a length direction; and a pair of second optical fibers fused to both ends of the first optical fiber. The first optical fiber has a first se...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HASEGAWA Takemi, NAGANO Shigehiro, MASUI Kazuaki, KINUGASA Jun
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS
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