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  Status of commissioning, report also here plots are reports., Page 8 of 24  Not logged in ELOG logo
ID Date Author Status Type Category Location Titledown Text Attachments
  242   Fri Sep 8 18:22:21 2023 Ronic ChicheFixedinfomechanics | lasers and optics | detectors and electronicsThomX iglooRemoving high order modeshere is the picture of the L-shape arm
and the inside of the vessel.

this image corresponds to the "zero"
 Capture.PNG 
  245   Tue Sep 12 14:28:36 2023 Ronic ChicheFixedinfomechanics | lasers and optics | detectors and electronicsThomX iglooRemoving high order modesyesterday with Daniele, we tried again
to move the arm horizontally and vertically
from the "zero position" to have
  
  8   Mon Oct 22 11:27:35 2018 Ronic ChicheFixedinfomechanicsOptical roomRemontage mécaniqueMail de Yann du 12/10/2018 :

Je vous fais le bilan des actions
effectuées :
  
  9   Mon Oct 22 11:29:41 2018 Ronic ChicheFixedinfomechanicsOptical roomRemontage des vérinsMail de Yann du 8/10/2018 :

Bonjour,
Tous les vérins sont maintenant
  
  431   Thu Jun 26 12:37:22 2025 Ronic ChicheFixedinfolasers and opticsThomX iglooRecipies for different FPC powerFor ~ 46kW power in the FP-cavity:


Alplhanov amplifier ratio
: 20%
  
  432   Tue Jul 1 12:13:18 2025 Ronic ChicheFixedinfolasers and opticsThomX iglooRecipies for different FPC powerFor ~ 23kW power in the FP-cavity:


Alplhanov amplifier ratio
: 15%
  
  436   Wed Jul 9 14:12:54 2025 Ronic ChicheFixedinfolasers and opticsThomX iglooRecipies for different FPC power

For ~ 66kW power in the
FP-cavity:
  
  56   Fri Sep 6 14:48:14 2019 Loïc AmoudryFixedreportmechanics | vacuumOptical roomPrimary vacuum to check dustThe cavity has been cleaned then put under
primary vacuum (primary pump without vacuum
flow control). Dusts presence was checked
 Image3.jpgImage6.jpg 
  93   Wed Feb 19 17:21:28 2020 Loïc AmoudryFixedreportlasers and opticsOptical roomPowerup with 2.5ps pulsesA power up has been performed on ThomX
until 65kW intracavity power. We didn't
see any modes but stored power was really
 report.PNGtek00004.png4A.PNG 
  453   Thu Sep 18 18:29:04 2025 Ronic ChicheFixedinfomechanics | lasers and optics | vacuum | detectors and electronics | cabling | software | utilitiesThomX iglooPower shut down on September 23thto anticipate the power shut down on next
tuesday 23/09,
this afternoon, I switched off all
  
  454   Fri Sep 26 11:08:21 2025 Ronic ChicheFixedinfomechanics | lasers and optics | vacuum | detectors and electronics | cabling | software | utilitiesThomX iglooPower shut down on September 23ththis morning, I restarted all the equipments
of the FPC.

everything was fine after being
  
  455   Fri Sep 26 11:13:35 2025 Ronic ChicheFixedinfomechanics | lasers and optics | vacuum | detectors and electronics | cabling | software | utilitiesThomX iglooPower shut down on September 23ththe 33MHz/500MHz RF frequencies from the
Ring seems different from the previous state
(maybe working at an energy of 50MeV instead
  
  456   Mon Sep 29 10:22:32 2025 Ronic ChicheFixedinfomechanics | lasers and optics | vacuum | detectors and electronics | cabling | software | utilitiesThomX iglooPower shut down on September 23thThis morning I did a phase alignment on
the PDH signal generator (Rigol DG4102)
this procedure ensure that both phases
 img1.jpg 
  199   Mon Mar 20 09:33:54 2023 Ronic ChicheFixedinfoutilitiesThomX iglooPower shut down on Saturday the 18thAll the equipments have been switched off
on Friday 17th due to a power shut down on
Saturday 18th :
  
  201   Mon Mar 20 17:39:28 2023 Ronic ChicheFixedinfoutilitiesThomX iglooPower shut down on Saturday the 18thToday, I restarted all the equipements
:

Chiller                                                
  
  449   Wed Aug 27 12:01:41 2025 Ronic ChicheFixedinfodetectors and electronicsThomX iglooPower shut down on August 29thThis morning, all the equipments have been
switched off due to a power shut down
tomorrow morning.
  
  450   Thu Aug 28 18:01:46 2025 Ronic ChicheFixedinfodetectors and electronicsThomX iglooPower shut down on August 29thafter alignment, CEP adjustment and optimizing
the PDH phase, I got back ~92kW in the FPC
for 33% amplifier ratio.
  
  427   Wed Jun 11 18:59:34 2025 Ronic ChicheUnder Processissuemechanics | lasers and optics | vacuum | detectors and electronicsThomX iglooPossible causes for the noise in the FP-cavity systemlist of possible causes of the high frequency
noise which makes the system loosing the
lock => to be checked.
  
  429   Wed Jun 25 09:57:56 2025 Ronic ChicheUnder Processissuemechanics | lasers and optics | vacuum | detectors and electronicsThomX iglooPossible causes for the noise in the FP-cavity system4.3 - Vibrations of the mirror mounts due
to temperature related to cavity power (the
electrons machine is OFF)
 long_run_wihtout_lock_loss.pnglong_run_wihtout_lock_loss_with_optimum_CEP.png 
  42   Wed Jun 12 17:49:20 2019 Loïc AmoudryFixedinfolasers and opticsOptical roomPolarizationPolariztion measured with Input vertically/horizontally polarized
(~100% DOLP)

- Transmission (P4) locked on cavity
 Polar_horiz_trans_P4.PNGPolar_vert_trans_P4.PNGPolar_vert_input.PNG 
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