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SBOX orders SBOX installation SBOX commissioning SBOX control command

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ID Date Author Status Type Category Location Title Text   59   Mon Jun 24 16:15:08 2019 Huan Wang Fixed info lasers and optics Optical room amplifier I just had a phone call with Jérome and he told me 2 things : * Be carefull ! the MightyLaser      8   Fri Oct 19 11:13:40 2018 Loïc Amoudry Fixed report lasers and optics Optical room Transmission vs D-shape position at different powe Measurements have been done on 18/10/18. Datas are on excel file, also matlab file.      61   Tue Jan 5 12:38:04 2021 Manar Amer Fixed report lasers and optics Optical room Transmission Measurements for the Mirrors. Thursday 10 December 2020:   First Test Measurement - Inside Box  The transmission ( T ) for the mirrors of SBOX  6x    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      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      141   Fri Sep 2 17:50:21 2022 Manar Amer Fixed report lasers and optics Optical room Telescope / amplifier output removing the reading which is not correct (wrong use of software) redone a reading similar using      142   Fri Sep 2 18:10:10 2022 Manar Amer Fixed report lasers and optics Optical room Telescope / amplifier output Note the correct beam divergence is approximately ~ 2.3 mrad      143   Mon Sep 5 18:06:53 2022 Manar Amer Fixed report lasers and optics Optical room Telescope / amplifier output Am adjustment on the lenses position to have a smaller waist. + 250 mm @ 88 cm from amplifier      145   Wed Sep 7 18:57:20 2022 Manar Amer Fixed report lasers and optics Optical room Telescope / amplifier output We increased the power of the amplifier up to 10 W to see if there is a change in the beam shape at the injection point or      96   Wed Jun 8 11:24:35 2022 Manar Amer Fixed report lasers and optics Optical room Telescope - Spacial Matching Divergence of the CW beam out of the collimator measured after 1 meter to be  2       240   Wed Sep 3 18:10:34 2025 Alice Renaux Under Process report lasers and optics Optical room Successful lock (finally !) Today, with Ronic, we managed to get a successful lock with the NKT laser by setting up a new PDH box from scratch (photodiode      70   Tue Mar 29 16:27:34 2022 Manar Amer Fixed report utilities Optical room Spincoater - Mirrror cleaning In preparation for cleaning the mirrors. The spincoater has been moved with its bump into the sas of the SBox.      75   Wed Apr 13 18:42:50 2022 Manar Amer Fixed report lasers and optics | utilities Optical room Spincoater - Mirrror cleaning Used the spincoater and pure water to clean dielectric mirrors which will be installed inside the SBox for directing the reflection      82   Wed Apr 27 22:30:14 2022 Manar Amer Fixed report lasers and optics | utilities Optical room Spincoater - Mirrror cleaning Images of the SBox mirrors cleaned at the same time when the cavity was aligned. Directly from the spincoater to      85   Mon May 9 19:27:35 2022 Manar Amer Fixed report lasers and optics | utilities Optical room Spincoater - Mirrror cleaning PowerPoint shows the detailed images of all the mirrors before and after cleaning. Images of SBox mirrors and M1 from      87   Wed May 11 20:51:28 2022 Manar Amer Fixed report lasers and optics | utilities Optical room Spincoater - Mirrror cleaning Following the observation that when rotating M2 plan mirror of SBox the deformation position of the mode changes.      89   Tue May 24 21:51:01 2022 Manar Amer Fixed report lasers and optics | utilities Optical room Spincoater - Mirrror cleaning While repeating the alignment, the mirrors were cleaned using the spin-coater and placed again.      100   Mon Jun 27 08:52:46 2022 Manar Amer Fixed report lasers and optics | vacuum Optical room SBox Finesse at 216.6625 MHz The Sbox currently has the injection from ThomX installed T ~ 120 ppm , M2 planar from Sbox spare and M3 / M4 spherical mirrors

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