In the figure, the light sources for oplevs are called "laser" but it is not true, as I said countless times Not all the light beams are called laser!
They are SLD (or SLED), superluminescent diode ; my suggestion is just to rewrite "light source" or "transmitter".
Thank you for reacintg my hair-splitting words!
Here are the photos. Sorry IMMT1 oplev photo is blur...
Oplev centering and calibrations were also done. Report will come soon by the Niigata University team.
Judging from the pics, I cannot resist to say some parts for oplev setup are wrong.