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Tunable Filter Module

Photonics Spectra
Aug 2010
DiCon Fiberoptics Inc.Request Info
DiCon Fiberoptics has announced a new tunable optical filter module for the GP750, a fiber optic test system that is able to automate fiber optic switches, fiber optical variable attenuators and, now, tunable optical filters. Based on proprietary microelectromechanical systems technology, the tunable filter can be tuned to demultiplex a signal in either the C- or L-band with a channel spacing of either 50 or 100 GHz. The tunable filter technology allows for precise wavelength tuning and is suitable for test applications in optical channel performance monitoring, reconfigurable optical add/drop multiplexer systems, noise suppression and signal tracking. The fast tuning speed of 30 ms makes it possible to tune quickly and accurately over a number of channels.


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An electronic transducer, either fixed or adjustable, that reduces the amplitude of a wave without causing significant distortion. See also beam attenuator.
optical filter
A device with characteristics of selective transmittance, capable of passing a certain part of the electromagnetic spectrum while being opaque to the other portions. Means of producing filters varies considerably. Color filters (for the visual) usually consist of glass, gelatin or plastic containing dyes or pigments. Band pass filters are found in signal processing and are commonly fabricated via electronics and complex circuitry and are designed to pass and reject parts of the spectrum based...
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