YOKOGAWA AQ6370D User Manual

App-41
IM AQ6370D-01EN
Appendix
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App
Index
XdB stop band
Wavelength
Level [dB]
x
dB
xdB stop-band
λ i
nominal wavelength
Port
A
Port B
Parameter
THRESH
Procedure
Obtain the width (xdB_stop-band) that centers on the reference wavelength λi of each
channel and that is located below by the parameter THRESH_LEVEL both on the left
and on the right.
XdB pass-band
xdB Passband
xdB
Test Band
Minimum Level
in Test Band
λi
nominal wavelength
Wavelength
Level [dB]
Port
A
Port B
Parameter
THRESH
TEST BAND
Procedure
• Perform the bottom search within the range of parameter Test_Band/2 by centering on
reference wavelength λi of each channel and obtain the bottom level (LBi).
• Obtain the width (xdB_pass-band) that is below the bottom level LBi obtained in the
above procedure by the parameter THRESH _LEVEL.
Appendix 6 Details of Optical Filter Analysis Function

YOKOGAWA AQ6370D Specifications

General

Brand	YOKOGAWA
Model	AQ6370D
Category	Measuring Instruments
Language	English