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  Status of commissioning, report also here plots are reports., Page 18 of 24  Not logged in ELOG logo
ID Date Author Status Type Category Location Titledown Text Attachments
  125   Thu Feb 3 18:59:10 2022 Manar AmerFixedreportlasers and optics | detectors and electronicsThomX iglooCavity Lock and Finess measurment

to measure the Finesse, instead
of having 2x EOM for the PDH and for the
  
  126   Thu Feb 3 19:01:04 2022 Manar AmerFixedreportlasers and optics | detectors and electronicsThomX iglooCavity Lock and Finess measurment

After changing the way of injecting
modulation for PDH and modulation for FSR
 Finesse_Fit.png 
  127   Fri Feb 4 10:59:56 2022 Manar AmerFixedreportlasers and optics | detectors and electronicsThomX iglooCavity Lock and Finess measurment one thing which could reduce the Finesse
is the L-shape metal piece if it is slightly
inserted in the FP-cavity mode path.
 apercu_03.jpgBras_manipulateur.jpg 
  212   Tue May 30 18:32:37 2023 Manar AmerFixedreportlasers and optics | detectors and electronics | cabling | softwareThomX iglooCavity Lock - Alphanov Amplifier This morning, while trying Guillaume solution
of disconnecting the 24 V necessary to the
second and third stage and raise the threshold
 tek00000.png 
  215   Fri Jun 2 10:54:25 2023 Manar AmerFixedreportlasers and optics | detectors and electronics | cabling | softwareThomX iglooCavity Lock - Alphanov Amplifier Yesterday, with Ronic we locked ThomX cavity
on the second resonance 

Laser : 33.36 MHz , Amplifier :
 13x 
  216   Tue Jun 6 01:12:11 2023 Manar AmerFixedreportlasers and optics | detectors and electronics | cabling | softwareThomX iglooCavity Lock - Alphanov Amplifier Today, I installed a power meter at the
transmission point of the 1st spherical mirror
, transmission 3 ppm (direct from cavity
 20230605_tek00001_33uW.png20230605_tek00002_82uW.png 
  218   Wed Jun 7 21:46:50 2023 Manar AmerFixedreportlasers and optics | detectors and electronics | cabling | softwareThomX iglooCavity Lock - Alphanov Amplifier Today with Ronic,

starting with major events that
happened (Water circulation + ThomX valves
 tek00001.png20230607_183626_Frep_CEP_motors_smartAct.jpg20230607_183641_transmitted_power.jpgtek00002.png 
  220   Fri Jun 9 19:51:43 2023 Manar AmerFixedreportlasers and optics | detectors and electronics | cabling | softwareThomX iglooCavity Lock - Alphanov Amplifier In the morning, we locked on the first
resonance. With an increase on the amplifier
power @ 20-25% and 30%, which reduced the
 tek00001_noise_reduced_first_resonance.pngtek00000_cavity_lock_with_noise_from_odcillator_controller.png 
  221   Mon Jun 19 16:08:15 2023 Manar AmerFixedreportlasers and optics | detectors and electronics | cabling | softwareThomX iglooCavity Lock - Alphanov Amplifier The computer is possible to connect from
the control room,

we are able to run remotely the
  
  203   Tue Mar 28 13:56:52 2023 Manar AmerFixedreportlasers and optics | detectors and electronicsThomX iglooCavity Alighnment Last week, with Ronic and Victor we aligned
the cavity using CW laser (Koheras)


we have also installed
 9x 
  204   Tue Apr 4 13:03:23 2023 Manar AmerFixedreportlasers and optics | vacuum | detectors and electronicsThomX iglooCavity Alighnment Today, we prepared lenses for a telescope
for the CW laser injection into the cavity,
yet to be installed
 20230404_P4_Transmission.jpg20230404_vacuum_level.jpg 
  192   Wed Mar 8 15:11:49 2023 Ronic ChicheFixedinfolasers and opticsThomX iglooCW laser installation and cleaningThis morning with Manar, in order to prepare
the installation of the news FP cavity mirrors,

- we installed the Koheras below
 20230308_121713.jpg 
  193   Mon Mar 13 14:02:59 2023 Ronic ChicheFixedinfolasers and opticsThomX iglooCW laser installation and cleaningThis morning with Ronic , in preparation
for the mirror installation, we removed additional
mechanics and cables from the table. 
  
  205   Fri Apr 7 00:26:11 2023 Manar AmerFixedreportlasers and optics | detectors and electronicsThomX iglooCW FP Cavit lock Yesterday morning we locked the cavity
on a strange mode in the cavity (we call
it mode, but not sure what it is ??)
 20230406_setup.jpg20230406_transmission_S2-P4.jpg20230406_Cavity_Lock.jpg 
  206   Fri Apr 7 15:56:40 2023 Manar AmerFixedreportlasers and optics | detectors and electronicsThomX iglooCW FP Cavit lock This morning with Daniele and Viktor,

- we confirmed the "potato"
mode was well centered on the injected beam
 20230407_103103-2.jpg 
  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 
  391   Wed Jan 8 12:24:48 2025 Ronic ChicheUnder Processinfolasers and optics | detectors and electronics | cablingThomX iglooCEM noise measurementsThe goal of these measurements is to check
if one can find some correlation between
the CFP lock losses observed during a run
 Without_Noise_@_20Hz.pngWith_Noise_@_20Hz.pngDelock_@_20Hz.pngVoice_noise_@400Hz.png 
  392   Wed Jan 8 16:08:59 2025 Ronic ChicheUnder Processinfolasers and optics | detectors and electronics | cablingThomX iglooCEM noise measurementsThis afternoon, we started almost all the
parts of the machine with Vincent and Nicolas,
and we didn't see any change in the Loop
  
  27   Tue Apr 2 18:05:46 2019 Loïc AmoudryFixedinfolasers and opticsOptical roomBeam size at closest spherical mirrors positionS3 and S2 @ +1 640 000 and P1 and P4 @
-825 000

Diameter in x: 4.7mm
  
  18   Tue Mar 19 16:35:32 2019 Loïc AmoudryFixedreportlasers and opticsOptical roomBeam size and finesseFSR initiale : 33.34 MHz (S3 = -825000
et S4 = -825000)

Beam size initiale : wx=2.05mm
  
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