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IM AQ6370D-01EN
5.15 Pulse Light Measurement
Procedure
The following three methods are available for measuring pulse light.
• Measurement using Peak Hold mode
• Measurement using gate sampling
• Measurement as a time average spectrum (see “Explanation”).
• Measurement using External Trigger mode (see section 5.16)
Pulse Light Measurement Settings
1.
Press SETUP. The soft key menu for sweep condition settings appears.
2.
Press the MORE 1/2 soft key.
3.
Press the PLS LIGHT MEASURE soft key.
4.
Press the PEAK HOLD soft key. The peak hold value setting screen is displayed.
5.
Enter a peak hold value using the rotary knob, arrow keys, or numeric key pad. A
value larger than the period of the pulse light being measured must be entered for
the peak hold value.
6.
Press ENTER.
Displaying the Pulse Light Measurement Waveform
7.
Press SWEEP. The soft key menu for sweep appears.
8.
Press the SINGLE or REPEAT soft key. Sweeping begins, and a waveform is
displayed.
9.
To stop the sweep, press the STOP soft key.
Note
• Before you perform pulse light measurements, set the sweep speed to 1x.
• An appropriate sensitivity is determined from the pulse width of the measured pulse light.
For details, see the table, “Sensitivity Name and Corresponding Pulse Width.”
• Enter a value longer than the period of the pulse light being measured for the peak hold
value.
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