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ID Date Author Status Type Category Location Title Text Attachments
  93   Wed Jun 8 10:47:45 2022 Manar AmerFixedreportlasers and opticsOptical roomSBox Alignment Closing Series for Alignment.

Beating observed, beam is in the
locking stages		   
  92   Wed May 25 17:34:29 2022 Manar AmerFixedreportlasers and opticsOptical roomFundamental Mode TEM00Adding images from the transmission after
the spherical mirrors M3 and M4 window for
a resonating mode inside the cavity.		  beamviwer_transmission_at_M3.bmpbeamviwer_transmission_at_M4.bmp 
  91   Tue May 24 22:11:40 2022 Manar AmerFixedreportlasers and opticsOptical roomFundamental Mode TEM00The current setup for the SBox has a beam
viewer and 2 photodiodes placed at reflection
and transmission.		  20220524_SBox_Setup.png00mode_CW_piezo_drive.bmp00mode_11mode.bmp 
  90   Tue May 24 22:05:48 2022 Manar AmerFixedreportlasers and opticsOptical roomSBox Alignment The external and internal alignment was
redone.

External Alignment : the collimator		  7x 
  89   Tue May 24 21:51:01 2022 Manar AmerFixedreportlasers and optics | utilitiesOptical roomSpincoater - Mirrror cleaning While repeating the alignment, the mirrors
were cleaned using the spin-coater and placed
again.		   
  88   Wed May 11 21:10:27 2022 Manar AmerFixedreportlasers and opticsOptical roomSBox Alignment M2 Sbox changed to spare. Alignment of
M2 was redone. 

With the help of Ronic , We observe		  TM00_mode.jpgTM01_mode.jpgTM10_mode.jpg 
  87   Wed May 11 20:51:28 2022 Manar AmerFixedreportlasers and optics | utilitiesOptical roomSpincoater - Mirrror cleaning Following the observation that when rotating
M2 plan mirror of SBox the deformation position
of the mode changes.		  M2_spare_fb_2.jpgM2_spare_fa_2.jpg20201210_M2_spare_after_cleaning.tif 
  86   Wed May 11 09:19:48 2022 Manar AmerFixedreportlasers and opticsOptical roomSBox 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.		  Beating00_after_rotatingM2_2.jpg 
  85   Mon May 9 19:27:35 2022 Manar AmerFixedreportlasers and optics | utilitiesOptical roomSpincoater - Mirrror cleaning PowerPoint shows the detailed images of
all the mirrors before and after cleaning.

Images of SBox mirrors and M1 from		  20220509_Images_SBox_Mirrors.pptxM1GFA.jpgM2FA.jpgM3FA.jpgM4FA.jpg 
  84   Mon May 9 19:05:35 2022 Manar AmerFixedreportlasers and opticsOptical roomSBox Alignment Today; replaced the M1 SBox mirror with
M1 from gamma factory , following the previous
alignment.		  M2_alignment_M3_pinhole.jpgM3_alignment_M4_pinhole.jpgM4_alignment_M1_pinhole.jpgBeating_TM00_CW_piezo_drive.jpg 
  83   Mon May 9 18:36:48 2022 Manar AmerFixedreportlasers and opticsOptical roomSBox Alignment Last week In FP cavity we had all SBox
mirrors including the damaged M1 mirror.

The beating was observed with just		  Beating_TM00_SBox_damaged_M1.jpgBeating_HigherOrder_SBox_damaged_M1.jpg 
  82   Wed Apr 27 22:30:14 2022 Manar AmerFixedreportlasers and optics | utilitiesOptical roomSpincoater - Mirrror cleaning Images of the SBox mirrors cleaned at the
same time when the cavity was aligned.

Directly from the spincoater to		  Images_SBox_Mirrors.pptx 
  81   Wed Apr 27 22:13:37 2022 Manar AmerFixedreportlasers and opticsOptical roomSBox Alignment Finished the alignment of the SBox with
M1 of SBox placed, to be changed to gamma
factory mirror later		  all_mirrorsplaced_after_m2_window.jpg20222704_SBox_alignment.pptx 
  80   Tue Apr 26 20:08:10 2022 Manar AmerFixedreportlasers and opticsOptical roomSBox Alignment
Adjust the placement of
the Irises  (done at the start of the		  9x 
  79   Mon Apr 25 18:02:09 2022 Manar AmerFixedreportlasers and opticsOptical roomSBox Alignment Remember to update the position of the
reference Irises tomorrow !!!!

  
  78   Mon Apr 25 17:58:01 2022 Manar AmerFixedreportlasers and opticsOptical roomSBox Alignment After pointers and Advice from Aurélien,

improvement of the beam alignment
through M1 and M2 irises was done.		  Ma1_Ma2_Horizontal_Position_Optimized.pngMa1_Ma2_Vertical_Position_Optimized.pngAfter_M1_diaphram_1m_Saturated_Beam_Optimized.jpgAfter_M2_M1_diaphram_Saturated_Beam_Optimized.jpgAfter_M2_M1_diaphram_Beam_Optimized.jpg 
  77   Mon Apr 25 17:28:29 2022 Manar AmerFixedreportlasers and opticsOptical roomSBox Alignment SBox alignment, using CW laser Koheras
power 1 mW


 6x 
  76   Wed Apr 20 19:05:37 2022 Manar AmerFixedreportlasers and opticsOptical roomKBox Alignment Starting with the alignment of the KBox
using CW Koheras.

The size of the CW output from		  7x 
  75   Wed Apr 13 18:42:50 2022 Manar AmerFixedreportlasers and optics | utilitiesOptical roomSpincoater - Mirrror cleaning Used the spincoater and pure water to clean
dielectric mirrors which will be installed
inside the SBox for directing the reflection		  Reflection_one_front_after_cleaning.jpgreflection_two_front_before_cleaning.jpgReflection_two_front_after_cleaning.jpg 
  74   Fri Apr 8 19:27:12 2022 Manar AmerFixedissuedetectors and electronics | utilitiesOptical roomClean Airflow Dust measurementsDust measurement done today on  top
of the SBox average 10min

 20220408_DustMeasurement.jpg 
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