Anritsu MS9740B - Page 223

5.8 Measuring Optical Amplifier (Wavelength Division Multiplex)
5-73
5
Measurement Functions
Note:
If no wavelength is detected within the level range specified by
Threshold Cut Level, the screen center wavelength becomes the
detected wavelength.
Figure 5.8.2-3 Signal Wavelength Measurement Method
When
Peak
is set
Cut Level
Signal Wl:
Peak Wavelength
When
Threshold
is set
Signal Wl:
Center Wavelength of Threshold Level
Threshold
Level