*preliminary result
The measured data are shown in attached fig.1 and 2.
In the fig.1 it looks like they are the same signal.
However in fig.2 which is just magnified plot of fig.1, it shows a time-delay apparently between them.
The delay time is roughly ~50 micro sec.
The surprising is that the LSC signal is going beyond the OMC signal, although the OMC signal drives the LSC !!
We can say it is "negative delay"...
Anyway we can guess that the time stamp or something is wrong.
*next plan
Tomorrow I'm going to measure the transfer-function between them to see the delay more clearly.
( And I would like to fix the delay. )
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