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IM 735302-01E
Executing Synchronous Sweep
13.
Confirm that the SYSTEM CONTROLLER soft key in the soft key menu in step 7
is turned ON.
14.
Press SETUP.
15.
Press the MORE1/2 soft key.
16.
Press the TLS SYNC SWEEP soft key. It turns ON.
17.
Press the SWEEP key.
18.
Press the REPEAT or SINGLE soft key. The turnable laser source's wavelength
sweeps in conjunction with the instrument.
Note
• The resolution setting for the function is fixed to 2 nm.
• Wavelength mode is set to vacuum wavelength mode.
• make sure that the span does not exceed the turnable width of the turnable laser source.
• Set the output power and line width of the tunable laser source in advance.
• Synchronous sweeping cannot be performed in pulse light measurement mode while “AUTO”
measurement is being performed.
Explanation
Sweeping is synchronized with the turnable laser source using trigger signals output from
the instrument.
The resolution of actual measurements is determined by the sampling interval (the
quotient of the “sweep width” and the “number of samples – 1”) when performing the
measurement, since the resolution setting for the instrument merely determines how far
to suppress the noise light output from the tunable laser source, setting a wider resolution
will not influence the actual measurement resolution.
Level fluctuations of around 0.1 dB may occur when you perform synchronous sweeping
with the tunable laser source set to WIDE mode.
5.17 Synchronous Sweep Measurement with the Tunable Laser Source
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