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Entry   First alignement of the Koheras with the FP cavity, posted by Ronic Chiche at Other about lasers and optics 
    Reply   First alignement of the Koheras with the FP cavity, posted by Ronic Chiche at Other about lasers and optics 
Message ID: 10     Entry time: Mon Apr 19 18:21:51 2021     Reply to this: 11
 Author: Ronic Chiche 
 Status: Under Process 
 Type: report 
 Category: lasers and optics 
 Location: Other 
 Title: First alignement of the Koheras with the FP cavity 

today with Manar, we brought the Koheras to the Minicav optical room and aligned it with the Iris used for the cavity.

but if I properly understood what Manar said to me, the cavity mirrors have been moved by roughly 1cm after Daniele and Manar finished the alignment.
with what we saw today, it seems the cavity is not aligned anymore.... we will check that tomorrow with Daniele.
we have a beam at the output window but I'm quite sure it only goes through M1 and not M2 anymore... and then directly to the output window in between M2 and M4.

the other important point for us is the room temperature.
it seems to be set at 25.5°C or something like that.
it's much too high.
Aurélien, who is the person to contact to change this temperature?
a setting around 21°C would be much more convenient...

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