This is the control loop for the current PSL setup.
There are still components to be added.
1) TF of the PDH box, the one we have is a modified D0901351, so I measured the TF of this box when the integrator is off (April13,2010 entry.)
This will be added in the model later. It is set to 1 for now.
2) TF of the photodiodes, I assume they are Newfocus 1811 and choose the same value as used in linfss6.m.
3) I will verified the value of TF of the RefCav path (both Fast and PC paths are calculated from D980536) to see if they agree.
4) The TF of actuators will be added later.
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