7-19
IM AQ6370D-01EN
Analysis
7
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.
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.
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