HOME SBOX THOMX MINICAV Utilities
THOMX orders THOMX installation THOMX commissioning THOMX control command
  Status of commissioning, report also here plots are reports., Page 11 of 24  Not logged in ELOG logo
ID Date Author Status Type Category Location Titledown Text Attachments
  420   Mon Mar 31 18:19:30 2025 Ronic ChicheFixedinfolasers and opticsThomX iglooNew power record in ThomX cavitytoday, we were able
to store more than 97kW in the FP cavity,
always with the same parameter : 33% laser
 20250331_181029.jpg 
  428   Wed Jun 25 09:43:36 2025 Ronic ChicheFixedinfolasers and opticsThomX iglooNew power record in ThomX cavityyesterday, we were able to store more than
98kW in the FP cavity, always with the same
parameter : 33% laser amplifier ratio
 img1(3).jpg 
  344   Wed Jun 19 09:07:56 2024 Ronic ChicheFixedinfosoftwareThomX iglooNew password for login on the ThomX computerthe previous password has expired.

the new access from the computer
:
  
  334   Tue Apr 2 08:51:21 2024 Ronic ChicheFixedinfolasers and opticsThomX iglooNew multiplication factor for the Fabry-Perot intra-cavity powerlast week, we measured the transmission
of a plan mirror from the same batch than
the ThomX mirrors and we got ~ 1.75ppm instead
  
  303   Thu Dec 7 09:09:27 2023 Ronic ChicheFixedinfolasers and opticsThomX iglooNew mirrors batch informationsthe 2 files describe the specfications
for the16  mirrors ordered (4 for ThomX
+ spare, 4 for SBOX + spare) and the measurements
 miroirs_puma_2022_thomx_Kbox.docxMiroirs_à_1031_nm-ThomX_-_KBox_Mars_2023.pdf 
  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
  
  414   Tue Mar 4 14:54:31 2025 Ronic ChicheFixedinfomechanics | softwareThomX iglooNew direction for cavity motorsfrom now on, one reverts the FP cavity
motors direction to compensate the long drift
from the begining of the project.
  
  46   Thu Jul 4 10:17:46 2019 Ronic ChicheFixedinfodetectors and electronicsOptical roomNew design for PDH boxesA new design has been studied for the 5
PDH boxes to better match the low (33MHz)
repetition rate of the ThomX laser.
 2019-06-14_-_PDH_Maurice_modifié.pdf 
  36   Tue May 21 17:44:46 2019 Loïc AmoudryFixedreportlasers and opticsOptical roomNew Suprasil mirror from LMA14/05/19:

New Suprasil mirror received. It
will replace the S-BOX suprasil mirror on
  
  60   Fri Sep 27 10:43:17 2019 Loïc AmoudryFixedreportlasers and opticsOptical roomNew Suprasil mirror from LMA19/09/2019 : email from Chrisophe Michel
about AR coating of LMA mirrors after reading
that Ta2O5 layers can be damaged in vacuum
  
  198   Fri Mar 17 18:54:19 2023 Manar AmerFixedreportlasers and opticsOptical roomNew Mirrors from LMA _ ImagesToday we tested a mirror from one patch

image is for the front face of
the mirror
 20230317_Images_of_New_Mirrors-compressed.pptxMirror_Tested.jpgWhatsApp_Image_2023-03-17_at_6.39.44_PM.jpgimage006.jpg 
  17   Tue Feb 19 15:50:08 2019 Loïc AmoudryFixedinfomechanicsOptical roomMotors connexionsMotors are connected. The true mirror's
name are P1 for injection mirrors, S2, S3
and P4. (S=spherical, P=planar).
 Validation_moteurs.jpg 
  19   Tue Mar 19 17:01:52 2019 Loïc AmoudryFixedissuemechanicsOptical roomMotors Z axis reversedS2 and S3 z-axis are initially at 1/4 (5mm/20mm) of
there range over ~20mm range. This is meant
to be able to spread them up to ~15mm in
  
  23   Thu Mar 28 09:25:58 2019 Loïc AmoudryFixedissuemechanicsOptical roomMotors Z axis reversedAll Z motors (for P1, S2, S3 and P4) have
been initialized again with a proper HOME
command with their own controller  with
  
  52   Fri Aug 30 17:52:41 2019 Ronic ChicheFixedissuemechanics | detectors and electronicsOptical roomMotor issueToday, Axis 9 (Z-axis of P1) has blocked
the software which drives all the motors.
impossible to bypass the problem.
  
  59   Wed Sep 25 15:49:28 2019 Ronic ChicheFixedissuemechanics | detectors and electronicsOptical roomMotor issueToday again, same problem with axis 9 blocking
the controlling software during the mirror
alignment procedure.
  
  15   Fri Feb 1 14:10:25 2019 Loïc AmoudryFixedreportlasers and opticsOtherMirrors sent to LMA30/01/19 - As LMA people came, we discussed
about the spots on ThomX mirrors which should
be clean. As mentionned in "SBOX commissioning",
  
  55   Tue Sep 3 18:06:29 2019 Loïc AmoudryFixedinfolasers and opticsOptical roomMirrors sent to LMAMirrors have been sent today to LMA for
cleaning and maybe annealing (recuit). 3
ULE of ThomX and the fused silicate for injection
  
  14   Fri Feb 1 13:39:21 2019 Loïc AmoudryFixedreportlasers and opticsOptical roomMirrors checked with binocular microscope29/01/19 - ThomX mirrors have also been
checked with binocular microscope. They shown
the same spots as S-BOX mirrors. 
 41_THOMX_SphericalZoom1x.jpg49_THOMX_M1ReflectiveZoom4x.jpg 
  33   Wed Apr 10 13:11:46 2019 Loïc AmoudryFixedreportlasers and opticsOptical roomMirror's cleaning and finesseSummary of what have been cleaned
the last week:

P1 with isopropanol, finesse 11000
  
ELOG V3.1.4-395e101