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Using the Multi-Wavelength Meter
Displaying Wavelength and Power
Peak WL mode
When
Peak WL
is pressed, the display shows the largest amplitude line in the
spectrum. This is the peak wavelength mode. The word
PEAK
is shown on the
screen. If multiple laser lines are present at the input, the number of lines
located will be shown along the right side of the screen.
Display after “Peak WL” key pressed
In addition to the digital readouts, there is a power bar. It provides a conve-
nient analog “meter movement” for tuning laser power.
Although the
Peak WL
mode shows one signal at a time, softkeys are provided
that allow you to scroll through and display all the measured laser lines. You
can scroll through the list according to the wavelengths or powers measured.
The signals are displayed in order from shortest to longest wavelengths. The
Agilent 86120B can measure up to 100 laser lines simultaneously.
To display peak wavelength and power
1
Connect the fiber-optic cable to the front-panel
OPTICAL INPUT
connector.
2
To display the peak wavelength and power, do one of the following:
• Press the green
Preset
key.
•Press
Peak WL
.