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Roll off factor

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(joined May 2014)
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Can anybody tell me the roll off factor of Gain Flattening Filter (GFF)?

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    • #14186
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      anita sharma
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      Can anybody tell me the roll off factor of Gain Flattening Filter (GFF)?

    • #14218
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      Damian Marek
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      I believe that depends on what the filter has been optimized to and the which interpolation method is used. Try optimizing the filter then using a white light source to view the transmission function. Or simply use an optical test set like the Optical Filter Analyzer or Lightwave Analyzer.

      Cheers!

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