Gain flattening filter and gain flattened optical fiber...

Details Gain flattening filter and gain flattened optical fiber... Gain flattening filter and gain flattened optical fiber...

2006-09-12

2006-09-12

Font, Frank G. (Department: 2883)

Optical waveguides

With disengagable mechanical connector

Structure surrounding optical fiber-to-fiber connection

Reexamination Certificate

active

07104700

ABSTRACT:
A gain flattening filter is provided to reduce volume and manufacturing cost of a gain flattened optical fiber amplifier, even when a required peak loss exceeds the limit of each dielectric thin film filter. The inventive gain flattening filter includes: a housing having a first opening and a second opening; a first ferrule disposed at one end of the housing, the first ferrule having an opening through which an input of an optical fiber is packaged; a second ferrule disposed at the other end of the housing, the second ferrule having an opening through which an output of the optical fiber is packaged; and, a plurality of thin film filters disposed in sequence between the first and second ferrules for flattening gain of optical signals passing therethrough.

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