Chapter 5 Measurement Functions
5-54
5.7.3 Measurement With/Without Spectrum Division Method
Figure 5.7.3-1 Optical Amplifier Measurement System
To perform measurements using the spectrum division method,
1. Press
f1 Method
.
2. Press
f1 Spect Div On
.
3. Press
f7 More 1/2
.
4. Press
f1 Pin
. Select the traces A to J to store the signal waveform.
5. Press
f2 Pout
. Select the traces A to J to store the optical output
waveform.
6. Press
f7 More 2/2
.
7. Input the output light of the optical amplifier to MS9740B as shown
by the connection in Figure 5.7.3-1 (a).
8. Set the wavelength, resolution, and level scale.
9. Press
f5 Res Cal
.
10. Press
f1 Execute
, and then the message indicating the resolution
calibration in progress is displayed.
11. Press
f3 Write to
.
12. Press
f1 Pin
.
13. Press
Single
or
Repeat
.
The data for the trace specified at step 4 is stored.
14. Press
f3 Write to
.
15. Press
f2 Pout
.
16. Input the output light of the optical amplifier to MS9740B as shown
by the connection in Figure 5.7.3-1 (b).
If necessary, insert an optical bandpass filter between the optical
amplifier and MS9740B to remove the ASE.
17. Press
Single
or
Repeat
.
The data for the trace specified at step 5 is stored.
18. Press
f2 Parameter
.
Source
Amplifier
Analyzer
Source
Analyzer
(b) Measurement of Optical Output