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ID Date Author Status Typedown Category Location Title Text Attachments
  63   Mon Sep 30 11:30:32 2019 Ronic ChicheFixedinfolasers and opticsOptical roomFinesse measurementTo complete these observations:

Finesse has been measured
on thursday, right after cleaning the cavity		   
  64   Thu Oct 3 13:49:58 2019 Loïc AmoudryFixedinfomechanicsOptical roomPneumatic valvesFrederic and Manu from vacuum group came
this morning to fix again the pneumatic valves
which had a leak again.		   
  68   Wed Oct 9 10:08:24 2019 Loïc AmoudryFixedinfolasers and opticsOptical roomImprovement holder amplifier fiberWe've added a clamp in the 3rd stage
to prevent the pump fiber from moving and
tilting (it was tilting to the left).		  1.png2.png 
  69   Wed Oct 9 10:10:01 2019 Loïc AmoudryFixedinfolasers and opticsOptical roomFree Spectral Range (FSR)FSR is 33.347 MHz @1e-8 mbar

 		   
  70   Wed Oct 9 10:16:24 2019 Loïc AmoudryFixedinfolasers and opticsOptical roomFiber injection and onefive output powerFiber injection is finished with the new
ThomX stretching CVBG in double pass (+50%
injection power compared to K-BOX CVBG in		   
  71   Wed Oct 9 11:41:11 2019 Loïc AmoudryFixedinfolasers and opticsOptical roomOnefive spectrum and CVBG spectrumThe Onefive spectrum has shifted a little
bit to lower lambda. It's still enough
for the experiment (3mW injection of ampli		  191008_spectrumbeforecvbg.PNG191008_spectrumaftercvbg.PNG191008_beamshapeaftercvbgthomx.PNG 
  75   Fri Oct 11 18:49:00 2019 Ronic ChicheFixedinfodetectors and electronicsOptical roomNew locking schemeBefore, the locking scheme was to produce
an error signal with the PDH box, send its
output to the electronic amplifier box and		   
  80   Thu Nov 21 11:37:13 2019 Loïc AmoudryFixedinfolasers and opticsOptical roomOnefive Origami 33MHz specsBeam Size Onefive added




 beam_size.xlsxBeam_size_Onefive_33.rar 
  85   Wed Nov 27 13:53:57 2019 Loïc AmoudryFixedinfolasers and opticsOptical roomOnefive output powerThe pump voltage has been increased few
days ago when looking for a modlock of the
laser.		   
  86   Thu Nov 28 10:40:29 2019 Loïc AmoudryFixedinfolasers and opticsOptical roomCVBG reference and Eric Cormier calculationThe Stretcher is the "D 24-02-II",
it must be used in double path before the
amplifier injection.		  compresseurs.jpgEtireur.jpgcalcul_Eric.jpg 
  87   Tue Feb 4 14:39:56 2020 Loïc AmoudryFixedinfolasers and opticsOptical roomOnefive output powerOnefive output power measured today. 3.52
mW with OD1 filter ==> ~35mW.

  
  95   Wed Feb 26 10:38:37 2020 Ronic ChicheFixedinfolasers and opticsOptical roomOptical spectrum analyzer resolutionThe Koheras @0.5mW is directly connected
with fibers FC/APC -> FC/PC to the Avantes
optical spectrum analyzer.		  Capture.PNG 
  96   Wed Feb 26 11:05:09 2020 Ronic ChicheFixedinfolasers and opticsOptical roomOptical spectrum analyzer resolutionSame measurement with Koheras @100mW and
using fiber coupling lenses between Koheras
and Avantes OSA.		  Capture2.PNG 
  97   Wed Feb 26 16:48:02 2020 Ronic ChicheFixedinfolasers and opticsOptical roomOptical spectrum before and after CVBGMeasurement of the optical spectrum with
Avantes OSA before (1st picture) and after
CVBG (2nd picture) with 2nd stage on the		  OSA_after_amplifier_CFBG_and_before_CVBG.PNGOSA_after_amplifier_CFBG_2_CVBG.PNG 
  101   Tue Jul 7 12:49:38 2020 Ronic ChicheFixedinfolasers and opticsOptical roomFinesse measurement after the Edge installationAfter the Edge installation inside the
cavity, the Finesse has been measured several
times by modulation technique with an average		  untitled.png 
  102   Tue Oct 27 13:13:50 2020 Loïc AmoudryFixedinfolasers and opticsOptical roomCoating reflectivityCoatings reflectivity curves and datas
for HR Saphir, HR Suprasil and HR ULE.		  6x 
  106   Thu Nov 4 13:05:49 2021 Ronic ChicheFixedinfolasers and opticsThomX iglooFP cavity alignmentas the iris used to locate the FP-cavity
axis have been removed before moving the
table inside the Igloo, we have to find again		   
  107   Thu Nov 4 18:57:16 2021 Ronic ChicheFixedinfolasers and opticsThomX iglooFP cavity alignmentThis afternoon, we continued the alignment
of the red laser.
we did it using the 2 final injection		   
  112   Mon Jan 17 10:04:14 2022 Ronic ChicheFixedinfomechanicsThomX iglooDocumentation about mechanics on Atriumhttps://atrium.in2p3.fr/0dded51a-1cb0-43e6-ae0d-626cd5db7078

a lot of schematics regarding the		   
  128   Fri Mar 11 12:46:58 2022 Ronic ChicheFixedinfolasers and opticsThomX iglooFP cavity mode axis change and Finesse measurementthis morning with Manar, we did a cavity
mode axis change.

we checked the cavity mode centroid		   
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