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GFF
Single Device

Gain Flattening Filter (GFF), also known as gain equalizing filters, are used to flatten or smooth out unequal signal intensities over a specified wavelength range. GFFs are widely used in EDFAs, Raman amplifiers, WDM networks and fiber optics instrumentation. 

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Crowntech customizes GFF based on each customer’s target optical profile, wavelength, and various combinations with additional optical features such as monitoring, splitting, etc.

 

Crowntech’s GFF comes with ultra small package, high operating power, wide wavelength range with excellent environment stability.

Features:

  • Low Insertion Loss

  • Low PDL

  • Epoxy Free in Optical Path

Applications:

  • EDFA

Thin-film-filter-based-WDM.jpg

Specifications:

  1. All specifications include the effect of all states of polarization.

  2. Values referenced without connectors, insertion loss for a connector-pair is 0.20dB to 0.30dB.

  3. Package dimension excludes rubber boot.

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