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ID Date Author Status Type Category Location Title Text   121   Thu Jul 28 13:52:23 2022 Aurélien Martens Fixed report utilities Optical room chiller for CELIA amplifier The chiller of CELIA amplifier has been moved from the corridor to the changing room in front of PLIC.       122   Mon Aug 8 11:11:28 2022 Aurélien Martens Fixed report utilities Optical room chiller for CELIA amplifier today, temperature of the chiller has been set to 23°C. measured temperature in the chiller      123   Mon Aug 8 17:58:32 2022 Ronic Chiche Fixed info lasers and optics Optical room Pulse duration measurement before and after CVBG (as a strecher) I recorded the pulse shape of the MENHIR 216MHz in its fiber injection setup. the fiber is then connected to the      124   Wed Aug 10 12:51:16 2022 Ronic Chiche Fixed report lasers and optics Optical room "ThomX" CELIA Amplifier commissionning The "ThomX" CELIA amplifier is installed on the optical table. I added all the rubber pieces available      125   Thu Aug 11 12:11:48 2022 Ronic Chiche Fixed report lasers and optics Optical room "ThomX" CELIA Amplifier commissionning Beam size at the amplifier output: to make this measurement, I switched ON only 1st and 2nd stage.      126   Thu Aug 11 19:27:09 2022 Ronic Chiche Fixed info lasers and optics | detectors and electronics Optical room Koheras CW laser lock on FP cavity I locked the Koheras CW on the FP cavity but the lock was pretty noisy and very difficult to acquire.      127   Fri Aug 12 11:46:17 2022 Ronic Chiche Fixed info lasers and optics Optical room OEwaves lock and Finesse measurement this morning, I locked the FP cavity with the OEwaves CW laser and the "Fred fiber amplifier" used at 500mA of pump current.      128   Fri Aug 12 17:48:28 2022 Ronic Chiche Fixed report lasers and optics Optical room "ThomX" CELIA Amplifier commissionning this afternoon, with Fabian, we did some measurements on the 3rd stage. finally we      129   Fri Aug 19 16:02:33 2022 Manar Amer Fixed report lasers and optics | detectors and electronics | software Optical room CELIA amplifier installation + chiller Closing series      130   Fri Aug 19 16:03:17 2022 Manar Amer Fixed report lasers and optics | detectors and electronics | software Optical room Alignment / Table setup closing series      131   Fri Aug 19 16:03:40 2022 Manar Amer Fixed report lasers and optics | detectors and electronics | software Optical room CVBG stretching / Fiber Injection closing series      132   Fri Aug 19 16:31:11 2022 Manar Amer Fixed report lasers and optics Optical room Amplifier output Beam Profile In preparation to measure the output beam profile from the amplifier at high power, I have placed two wedge mirrors just before      133   Fri Aug 19 16:36:18 2022 Manar Amer Fixed report lasers and optics Optical room Telescope / amplifier output The previous Sbox telescope was dismantled and the mechanical components cleaned. its lenses are still in the mounts,      134   Mon Aug 22 18:38:03 2022 Manar Amer Fixed report lasers and optics Optical room Telescope / amplifier output Beam divergence was measured using a method called  "Focal      135   Mon Aug 22 18:39:13 2022 Manar Amer Fixed report lasers and optics Optical room Amplifier output Beam Profile Beam divergence after amplifier 4.46 mrad        136   Tue Aug 23 17:37:38 2022 Manar Amer Fixed report lasers and optics Optical room Telescope / amplifier output I placed a periscope to adjust the high of the beam from the amplifier output from ~ 10 cm from the table to ~ 15 cm      137   Wed Aug 24 10:39:58 2022 Manar Amer Fixed report lasers and optics Optical room Telescope / amplifier output Here is a view of beam propagation in the optical software : GaussianBeam the red filled shape is the model      138   Wed Aug 24 10:45:24 2022 Manar Amer Fixed report lasers and optics Optical room 2 Mirror Setup @ 216.6 MHz Adding information about the 2 mirror cavity setup (plan - spherical) that is currently installed.      139   Tue Aug 30 17:48:39 2022 Ronic Chiche Fixed info lasers and optics Optical room 2nd stage CELIA amplifier today, we measured the 2nd stage CELIA amplifier pump wavelength : 970-990 nm      140   Wed Aug 31 18:14:51 2022 Ronic Chiche Fixed info lasers and optics Optical room 2nd stage CELIA amplifier today we did several test with the Dichroic shortpass mirror (Thorlabs DMSP1000) and with a 10nm optical filter around 1030nm

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