I measured the transfer function (TF) from optic pitch and yaw to DARM. Other transfer functions to measure are from IM-L, IM-P and IM-Y, which are the ones expected to be more important then others of the IM. It was not possible to finish all the measurements becasue the interferometer was used for another purpose.

The following applies

• I began using templates found at /kagra/Dropbox/Subsystems/VIS/AutoMeasurement/TypeB/BS/TF/Measurements/20191121/; see klog entries 11679 and 11676.
• I created a new directory for the new measurements: /kagra/Dropbox/Subsystems/VIS/AutoMeasurement/TypeB/BS/TF/Measurements/20200311/.
• I made tamplates for all the measurements; please use them if you want to finish the set of measurements. The amount of actuation still have to be tested to make sure it's not too much.
• I modified the templates as follows:
  • I added 9 sum monitor channels: 3 for the TM and 6 for the IM.
  • I added the uncalibrated DARM signal.
  • I set all channels as A-channels.

The description of the TFs in the figures is as follows:

• First: From TM-P actuation point to DARM.
• Second: From TM-Y actuation point to DARM.