Agilent Technologies 8163A Manual page 61

A Sample Session
Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Sixth Edition
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b Enter 1540.000 and press Enter.
6 How to set the averaging time for the Power Sensor module:
a Move to the measurement averaging time, [Tavg], and press Enter.
b Move to <1 s>, using the cursor key, and press Enter.
7 For the Power Sensor module, make sure that Watts are the selected Power Unit
and that the instrument is in automatic ranging mode. To change these settings:
a Move to the power parameter, [P], and press the
[Power Unit] softkey.
b Move to <W>, using the cursor key, and press Enter.
c Move to the [Range Mode] parameter and press Enter.
d Move to <Auto>, using the cursor key, and press Enter.
8 How to set the wavelength for the Tunable Laser module:
a Move to the wavelength parameter, [λ], for the Tunable Laser module and
press Enter.
b Enter 1540.000 and press Enter.
9 How to set the modulated power for the Tunable Laser module:
a If power is not displayed in Watts, move to the [P] parameter and press the
[Power Unit] softkey.
b Move to <W>, using the cursor key, and press Enter.
c Move to the [P] parameter and press Enter.
d Enter 500.000.
e Change units to µW, if necessary, using the [Unit+] or [Unit−] softkey.
f Press Enter.
10 How to set the modulation frequency for the Tunable Laser module:
a Select the [Frequency] parameter and press Enter.
b Enter 100.000 and press Enter.
11 For the Tunable Laser module, press the button beside the Optical Output. The
green LED should switch on to indicate that the laser is now active.
You should notice that the power reading is approximately half the value
set on the Tunable Laser module. This is because the output is modulated
by a square wave with a 50% duty cycle.
Getting Started
61