Sheila, Craig

Since Koji and Peter have replaced the PSL EOM, the phase of IMC PDH error signal is altered.  Shelia and I went out to the PSL racks and looked at the I and Q demodulated IMC error signal.
To get the carrier PDH slope to be along I, we adjusted the error signal delay from 6.4375 ns to 13.4375 ns.  
You can see the rotation of the IMC PDH error signal in plots 1 and 3, which are pictures of the I and Q demodulated error signal in an XY oscope plot.