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  Status of commissioning, report also here plots are reports., Page 8 of 13  Not logged in ELOG logo
ID Date Author Status Type Categorydown 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
  
  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.
  
  128   Fri Aug 12 17:48:28 2022 Ronic ChicheFixedreportlasers and opticsOptical room"ThomX" CELIA Amplifier commissionningthis afternoon, with Fabian, we did some
measurements on the 3rd stage.

finally we
  
  132   Fri Aug 19 16:31:11 2022 Manar AmerFixedreportlasers and opticsOptical roomAmplifier output Beam ProfileIn preparation to measure the output beam
profile from the amplifier at high power,
I have placed two wedge mirrors just before
 20220819_Setup.jpg 
  133   Fri Aug 19 16:36:18 2022 Manar AmerFixedreportlasers and opticsOptical roomTelescope / amplifier outputThe 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 AmerFixedreportlasers and opticsOptical roomTelescope / amplifier outputBeam divergence was measured using a method
called  "Focal
 Focal_length_divergence_method.pdfBeam_Profile_at_high_power_.jpgSBOX_CELIA_AMPLIFIER_Divergence_measurement.pdf 
  135   Mon Aug 22 18:39:13 2022 Manar AmerFixedreportlasers and opticsOptical roomAmplifier output Beam ProfileBeam divergence after amplifier 4.46 mrad

 

  
  136   Tue Aug 23 17:37:38 2022 Manar AmerFixedreportlasers and opticsOptical roomTelescope / amplifier outputI placed a periscope to adjust the high
of the beam from the amplifier output from
~ 10 cm from the table to ~ 15 cm
 20220823_setup.jpg 
  137   Wed Aug 24 10:39:58 2022 Manar AmerFixedreportlasers and opticsOptical roomTelescope / amplifier outputHere is a view of beam propagation in the
optical software : GaussianBeam

the red filled shape is the model
 Capture.PNGTelescope_AMPLI_CELIA_1.xml 
  138   Wed Aug 24 10:45:24 2022 Manar AmerFixedreportlasers and opticsOptical room2 Mirror Setup @ 216.6 MHzAdding information about the 2 mirror cavity
setup (plan - spherical)
that is currently installed.
 manip2miroirs.pptx2mirror_plan_shperical_beam_size.png 
  139   Tue Aug 30 17:48:39 2022 Ronic ChicheFixedinfolasers and opticsOptical room2nd stage CELIA amplifiertoday, we measured the 2nd stage CELIA
amplifier pump wavelength : 970-990 nm
 2nd_stage_pump_wavelength.jpg 
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