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  Status of commissioning, report also here plots are reports., Page 7 of 13  Not logged in ELOG logo
ID Date Author Status Type Categorydown Location Title Text Attachments
  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 
  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 
  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 
  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 
  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 
  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 
  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 
  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 
  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 
  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
  
  94   Wed Jun 8 10:58:15 2022 Manar AmerFixedreportlasers and opticsOptical roomFundamental Mode TEM00Images of the Transmitted beam at M2 mirror
at different days. 

The first one was from last week,
 20220530_00_Mode.bmp00_Mode_Beam_Transmitted_Position_drift_due_to_temperature.bmp 
  96   Wed Jun 8 11:24:35 2022 Manar AmerFixedreportlasers and opticsOptical roomTelescope - Spacial Matching Divergence of the CW beam out of the collimator
measured after 1 meter to be 


 SBox_Spacial_Matching_Telescope.png 
  102   Wed Jul 6 18:35:38 2022 Manar AmerFixedreportlasers and opticsOptical roomFundamental Mode TEM00Closing series of 00 mode for FSR @ 133.33
MHz

 
  
  103   Wed Jul 6 18:37:02 2022 Manar AmerFixedreportlasers and opticsOptical roomDivergence of the CW beam after collimator Closing the series of the telescope for
the beam @ 133.33 MHz

 
  
  107   Fri Jul 8 17:09:26 2022 Manar AmerFixedreportlasers and opticsOptical roomImages of ThomX mirrors Under the microscope,

the spherical mirrors show the
deposit of metal dots on the reflecting surface
 ThomX_Spherical_Front_coating.jpgThomX_Spherical_2_Front_coating.jpgThomX_Spherical_back.jpg 
  108   Fri Jul 8 17:10:44 2022 Manar AmerFixedreportlasers and opticsOptical roomImages of ThomX mirrors Mirror images in the previous log showing
the metal deposit of the coating of the spherical
mirrors
  
  123   Mon Aug 8 17:58:32 2022 Ronic ChicheFixedinfolasers and opticsOptical roomPulse 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
 pulse_measurement_without_and_with_CVBG.pngpulse_measurement_after_CVBG_compared_with_convolution.pngSpectrumafterCVBGzoom.png.png 
  124   Wed Aug 10 12:51:16 2022 Ronic ChicheFixedreportlasers and opticsOptical room"ThomX" CELIA Amplifier commissionningThe "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 ChicheFixedreportlasers and opticsOptical room"ThomX" CELIA Amplifier commissionningBeam size at the amplifier output:

to make this measurement, I switched
ON only 1st and 2nd stage.
 Capture.PNGCapture2.PNG 
  127   Fri Aug 12 11:46:17 2022 Ronic ChicheFixedinfolasers and opticsOptical roomOEwaves lock and Finesse measurementthis morning, I locked the FP cavity with
the OEwaves CW laser and the "Fred fiber
amplifier" used at 500mA of pump current.
  
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