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WHITE PAPERS & APPLICATION NOTES
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Advances in Gain Flattening Filters
Gain flattening filters (GFFs), used to smooth out unequal optical signal intensities over a specified wavelength range in optical amplifiers, have evolved significantly over the past 20 years. While the packaging and materials utilized to construct these components have remained almost unchanged, advances including improved coating processes and optimized manufacturing control have pushed GFF performance to new heights.
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