App-44
IM AQ6370D-01EN
WDM FILTER BOTTOM Analysis Function
This function enables the collective analysis of multiple items of each channel via the
measured waveforms of multi-channel optical filters.
It also enables filter analysis for multi-mode waveforms, which is different from the
FILTER BOTTOM analysis.
Items for analysis
Item for Analysis Description
Nominal Wavelength Reference wavelength/frequency of each channel.
Bottom Wavelength / Level Peak wavelength/frequency and level of each channel
xdB Notch Width / xdB notch width of each channel and its center wavelength/
Center Wavelength frequency.
xdB stop-band Wavelength width / frequency width across xdB of each channel.
xdB Elimination band Elimination band that is xdB from the bottom within the test band of
each channel.
6Ripple Max-min level (flatness) within the test band of each channe.
Cross Talk Difference in level between the positions that are xnm away in each
channel.
List of Parameters
Item Parameter Default Setting Range Unit
Channel Detection,
Nominal Wavelength
ALGORHYTHM NOTCH(B)
PEAK / NOTCH(P)/ NOTCH(B)
/ GRID / GRID FIT
-
MODE DIFF 3.0 0.1 to 50.0 dB
THRESH 20.0 0.1 to 99.9 dB
TEST BAND 0.100 0.001 to 9.999 nm
Bottom
Wavelength/Level
SW ON ON / OFF -
XdB Width
Center Wavelength
SW ON ON / OFF -
ALGORHYTHM NOTCH(B) NOTCH(P) / NOTCH(B) -
THRESH 3.0 0.1 to 50.0 dB
XdB stop-band
SW ON ON / OFF -
THRESH −10.000 −90.000 to 30.000 dB
XdB Elimination ban
SW ON ON / OFF -
THRESH 3.0 0.1 to 50.0 dB
TEST BAND 0.20 0.01 to 99.99 nm
Ripple
SW ON ON / OFF -
TEST BAND 0.20 0.01 to 99.99 nm
Cross Talk
SW ON ON / OFF -
SPACING 0.80 0.01 to 99.99 nm
TEST BAND 0.20 0.01 to 99.99 nm
Appendix 6 Details of Optical Filter Analysis Function
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