App-36
IM AQ6376-01EN
FILTER BOTTOM Analysis Function
This function enables the collective analysis of multiple parameters via the measured
waveforms of optical filters.
It is used for filter analysis if the number of modes is one. Items and algorithms for
analysis are the same as in the AQ6317 series.
Items for analysis
BOTTOM LVL: Bottom level
BOTTOM WL:
Bottom wavelength
CENTER WL:
Center wavelength
NOTCH WIDTH: Notch width
CROSS TALK: Cross talk
List of parameters
Item
Parameter
Default
Setting Range Unit
Description
BOTTOM LEVEL
SW
ON
ON or OFF
-
ON/OFF switchover of display.
BOTTOM WL
SW
ON
ON or OFF
-
ON/OFF switchover of display.
CENTER WL
SW
ON
ON or OFF
-
ON/OFF switchover of display.
ALGO
BOTTOM
PEAK
BOTTOM
-
Selection of algorithm for spectrum
width.
THRESH LVL
3
0.1 to 50.0
dB
Threshold value for channel
detection.
MODE DIFF
3
0.0 to 50.0
dB
Minimum value of the peak/bottom
difference during channel detection.
NOTCH
SW
ON
ON or OFF
-
ON/OFF switchover of display.
WIDTH
ALGO
BOTTOM
PEAK BOTTOM
-
Selection of algorithm for spectrum
width.
THRESH LVL
3
0.1 to 50.0
dB
Threshold value for channel
detection.
MODE DIFF
3
0.0 to 50.0
dB
Minimum value of the peak/bottom
difference during channel detection.
Valid only when ALGO is THRESH.
CROSS TALK
SW
ON
ON or OFF
-
ON/OFF switchover of display.
ALGO
BOTTOM
PEAK BOTTOM
BOTTOM_LVL
GRID
-
Selection of algorithm for spectrum
width.
THRESH LVL
3
0.1 to 50.0
dB
Threshold value for channel
detection.
Valid when ALGO is PEAK/
BOTTOM.
MODE DIFF
3
00 to 50.0
-
Multiplying factor.
Valid only when ALGO is THRESH.
CH SPACE
0.4
0.0 to 50.00
nm
Setting of channel spacing.
SEARCH
AREA
0.01
0.01 to 10.00
nm
Setting of the range of analysis.
Valid only when ALGO is GRID.
Appendix 6 Details of Optical Filter Analysis Function