3.4.2 Fine tuning (FTF)
Fine tuning allows detuning the laser within a smaller range from the target frequency
set using the coarse tuning parameter. The laser will detune to the target setting with
output power on during the tuning process which changes the output frequency in a
linear ramp. Tuning target setting resolution depends on the laser type. Refer to the
specification for details.
1. –Tuning is triggered
2. Tuning process taking ~1second per GHz. Power remains constant – Power
remains constant
3. Laser settles on new value
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