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7-19
IM AQ6370D-01EN
Analysis
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App
Index
7.8 Optical Amp Gain and NF Measurement
Procedure
Measurement can be performed of the optical amp gain and noise figure from the
measured waveform of the signal light going into the optical amp, and the measured
waveform of the output light leaving the optical amp.
1.
Press
ANALYSIS
. The soft key menu for analyzing measured waveforms
appears.
2.
Press the
ANALYSIS 2
soft key. The analysis function selection menu is
displayed.
3.
Press the
EDFA-NF
soft key. Analysis is performed, and the results are displayed
in a list. The analysis results display screen is switched with the
SWITCH
DISPLAY
soft key.
TRACE & TABLE: A waveform and table are displayed.
TRACE: Only the waveform is displayed.
TABLE: Only the table is displayed.
GRAPH & TABLE: A graph and table are displayed.
GRAPH: Only the graph is displayed.
Switch the
screen.
Note
When zooming a waveform, if you click in the list of analysis results, the waveform of the
selected channel is displayed in the center of the waveform screen.
• Displaying the Gain (Gain) and Noise Factor (NF) Graphs
4.
Press the
GRAPH & TABLE
or
GRAPH
soft key. A soft key menu for the graph
display and markers appears.
5.
Press the
LINE MARKER Y1
soft key. Marker Y1 appears on the graph.
6.
Enter the value using the rotary knob, arrow keys, or numeric keypad.
7.
Press
ENTER
.
8.
Press the
LINE MARKER Y2
soft key. Marker Y2 appears on the graph.
9.
Enter the value using the rotary knob, arrow keys, or numeric keypad.
10.
Press
ENTER
.