Performing Measurement Scans
CT440
43
Setting up a Triggered Scan
To set up a triggered scan:
1.
Using a BNC 50
Ω
coaxial cable, connect the Trigger out port (providing the TTL signal)
of the laser to the input digital
Trigger In
BNC connector located on the rear panel of
On the T100S-HP laser, you must configure the
BNC port as a trigger output, as
explained in
T100S-HP User Manual
.
2.
In the CT440 GUI, in the
Scan Parameters
2a.
Set the wavelength boundaries of the scan.
2b.
Set the scanning
Mode
to
Single Trig
or
Continuous Trig
.
3.
Click the
Scan
button.
The CT440 waits for an external trigger on the
Trigger In
BNC connector to start
measurements (one trigger starts one sweep; a PDL measurement requires either 4 or
6 sweeps).
When the TTL signal is emitted, the start/stop of the scan are synchronized as described
in the above
Summary of Contents for CT440 Series
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