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ID Date Author Status Type Category Location Title Text   74   Fri Apr 8 19:27:12 2022 Manar Amer Fixed issue detectors and electronics | utilities Optical room Clean Airflow Dust measurements Dust measurement done today on  top of the SBox average 10min      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      76   Wed Apr 20 19:05:37 2022 Manar Amer Fixed report lasers and optics Optical room KBox Alignment Starting with the alignment of the KBox using CW Koheras. The size of the CW output from  7x    77   Mon Apr 25 17:28:29 2022 Manar Amer Fixed report lasers and optics Optical room SBox Alignment SBox alignment, using CW laser Koheras power 1 mW  6x    78   Mon Apr 25 17:58:01 2022 Manar Amer Fixed report lasers and optics Optical room SBox Alignment After pointers and Advice from Aurélien, improvement of the beam alignment through M1 and M2 irises was done.      79   Mon Apr 25 18:02:09 2022 Manar Amer Fixed report lasers and optics Optical room SBox Alignment Remember to update the position of the reference Irises tomorrow !!!!      80   Tue Apr 26 20:08:10 2022 Manar Amer Fixed report lasers and optics Optical room SBox Alignment Adjust the placement of the Irises  (done at the start of the  9x    81   Wed Apr 27 22:13:37 2022 Manar Amer Fixed report lasers and optics Optical room SBox Alignment Finished the alignment of the SBox with M1 of SBox placed, to be changed to gamma factory mirror later      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      83   Mon May 9 18:36:48 2022 Manar Amer Fixed report lasers and optics Optical room SBox Alignment Last week In FP cavity we had all SBox mirrors including the damaged M1 mirror. The beating was observed with just      84   Mon May 9 19:05:35 2022 Manar Amer Fixed report lasers and optics Optical room SBox Alignment Today; replaced the M1 SBox mirror with M1 from gamma factory , following the previous alignment.      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      86   Wed May 11 09:19:48 2022 Manar Amer Fixed report lasers and optics Optical room SBox Alignment Yesterday, to find the source of why the mode is deformed, I tried to rotate the mirrors to see if there is a change.      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.      88   Wed May 11 21:10:27 2022 Manar Amer Fixed report lasers and optics Optical room SBox Alignment M2 Sbox changed to spare. Alignment of M2 was redone.  With the help of Ronic , We observe      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.      90   Tue May 24 22:05:48 2022 Manar Amer Fixed report lasers and optics Optical room SBox Alignment The external and internal alignment was redone. External Alignment : the collimator  7x    91   Tue May 24 22:11:40 2022 Manar Amer Fixed report lasers and optics Optical room Fundamental Mode TEM00 The current setup for the SBox has a beam viewer and 2 photodiodes placed at reflection and transmission.      92   Wed May 25 17:34:29 2022 Manar Amer Fixed report lasers and optics Optical room Fundamental Mode TEM00 Adding images from the transmission after the spherical mirrors M3 and M4 window for a resonating mode inside the cavity.      93   Wed Jun 8 10:47:45 2022 Manar Amer Fixed report lasers and optics Optical room SBox Alignment Closing Series for Alignment. Beating observed, beam is in the locking stages

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