YASKAWA AQ6370B - Page 353

App-41
IM 735302-01E
Appendix
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App
Index
Ripple
Test Band
Ripple
Minimum Level
in Test Band
Maximum Level
in Test Band
λi
nominal wavelength
Wavelength
Level [dB]
Port A
Port B
Parameter
TEST BAND
Procedure
• Perform the peak search and bottom search within the range of parameter
Test_Band/2 by centering on the reference wavelength
λ
i of each channel, and obtain
the peak level (LP’i) and the bottom level (LB’i).
• Use the peak level (LP’i) and bottom level (LB’i) obtained in the above procedure to
obtain the ripple from the following equation:
  Ripple=LP’i−LB’i
Appendix 6 Details of Optical Filter Analysis Function