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  Status of commissioning, report also here plots are reports., Page 6 of 24  Not logged in ELOG logo
ID Date Author Status Type Category Location Title Text Attachments
  373   Tue Oct 22 18:52:40 2024 Ronic ChicheFixedissuelasers and opticsThomX iglooOnefive 33MHz modelock lossFor the modulation/demodulation generator
for the PDH signal,
after a power shutdown, on can :
  
  372   Mon Oct 21 09:20:47 2024 Ronic ChicheFixedissuelasers and opticsThomX iglooOnefive 33MHz modelock lossAfter the new Yvette flooding of the last
week and the consecutive AC-shut down, I
restarted this morning the laser with the
  
  371   Tue Oct 15 09:33:15 2024 Ronic ChicheFixedissuelasers and opticsThomX iglooOnefive 33MHz modelock lossThis morning, I verified the reason why
the seeder frequency was not displayed on
the amplifier software screen:
  
  370   Mon Oct 14 10:21:17 2024 Ronic ChicheFixedissuelasers and opticsThomX iglooOnefive 33MHz modelock lossOn Friday 11th of October, due to the Yvette
flooding, all the AC power of ThomX have
been shut down.
  
  369   Wed Oct 9 18:39:34 2024 Ronic ChicheUnder Processinfolasers and optics | softwareThomX iglooOptimizing lock parameters for stable X-ray productionThis afternoon, we scanned the optical
table vertically with the hexapod in asynchronous
mode to find its optimum position, looking
  
  368   Wed Oct 9 09:56:21 2024 Ronic ChicheUnder Processinfolasers and optics | softwareThomX iglooOptimizing lock parameters for stable X-ray productionThis morning, I wanted to test quickly
if the Smaract motors can be used in open
loop instead of closed loop or in piezo scan.
  
  367   Tue Oct 8 11:59:27 2024 Fatematuj JohoraUnder Processreportlasers and opticsOptical roomCharacterizing Focus Tunable LensYesterday Ronic and I worked on the high
laser power measurements with the Vertical
set-up of the Focus Tunable Lens. We went
 Updates_of_Focus_Tunable_lenses.pdf 
  366   Thu Oct 3 16:38:03 2024 Ronic ChicheUnder Processinfolasers and optics | softwareThomX iglooOptimizing lock parameters for stable X-ray productionToday with Daniele and Alice, we operated
to cavity.
we obtained 84kW for 33% of amplifier
  
  365   Tue Sep 17 13:04:32 2024 Ronic ChicheUnder Processinfolasers and optics | softwareThomX iglooOptimizing lock parameters for stable X-ray productionhere are the (good) lock parameters used
this morning.

for the RF/FPC lock, the 33MHz
 Capture.JPG 
  364   Tue Sep 17 12:48:13 2024 Ronic ChicheFixedinfomechanicsThomX iglooFinding correct motors position and parameters to keep the lock during a movethis morning with Daniele, we did a quite
long run with this motor position and it
seems we don't lose the lock too much.
  
  363   Mon Sep 16 12:03:30 2024 Ronic ChicheFixedinfomechanicsThomX iglooFinding correct motors position and parameters to keep the lock during a movethis morning, I try
to find a new region for MOT.03 and MOT.06
where we can move them without unlocking
  
  362   Mon Sep 9 11:00:43 2024 Ronic ChicheFixedinfolasers and optics | detectors and electronics | softwareThomX igloorestarting CFP system after the long summer shutdown (RF section conditionning) and Alphanov amplifier issuethis morning, with Vincent :

- we added the 10Hz trigger to
the CH2 on the remote scope (192.168.229.21)
  
  361   Fri Sep 6 17:27:20 2024 Ronic ChicheUnder Processissuemechanics | lasers and optics | detectors and electronicsThomX igloo20Hz oscillation in the locking between Laser and FP-cavitycould it be possible this 20Hz oscillations
comes from anouncements in the bunker, puting
the housing+table in vibration ?
  
  360   Fri Sep 6 17:21:51 2024 Ronic ChicheFixedinfolasers and optics | detectors and electronics | softwareThomX igloorestarting CFP system after the long summer shutdown (RF section conditionning) and Alphanov amplifier issueI changed a little bit the locking parameters
(see picture) for the RF/FPC loop and it
locked rapidely.
 20240906_161926.jpg 
  359   Fri Sep 6 15:20:20 2024 Ronic ChicheFixedinfolasers and optics | detectors and electronics | softwareThomX igloorestarting CFP system after the long summer shutdown (RF section conditionning) and Alphanov amplifier issuenow, the Ring RF frequency is set to 500.067MHz.

so the CFP/laser frequency should
be 500.067MHz/15 = 33.3378MHz.
  
  358   Fri Sep 6 12:10:51 2024 Ronic ChicheFixedinfolasers and optics | detectors and electronics | softwareThomX igloorestarting CFP system after the long summer shutdown (RF section conditionning) and Alphanov amplifier issueafter redoing the alignment of the CVBG,
we got back the initial power in the FPC
(87kW)
  
  357   Fri Sep 6 11:56:53 2024 Ronic ChicheFixedissuelasers and optics | detectors and electronicsThomX igloofixing CVBG issuethis morning with Daniele, we realigned
the amplifier beam axis on the iris position.
it was pretty fast an easy => we
 20240906_151100.jpg 
  356   Thu Sep 5 09:53:10 2024 Ronic ChicheFixedissuelasers and optics | detectors and electronicsThomX igloofixing CVBG issue1) this morning, I aligned to CFP to get
back 82kW in the cavity for 33% of amplifier
ratio.
 12x 
  355   Thu Sep 5 09:51:22 2024 Ronic ChicheFixedissuelasers and optics | detectors and electronicsThomX igloofixing CVBG issuethe CVBG of the compressor module seems
to have an issue.

here is the plan of the work :
  
  354   Fri Aug 30 17:59:01 2024 Ronic ChicheFixedinfolasers and optics | detectors and electronics | softwareThomX igloorestarting CFP system after the long summer shutdown (RF section conditionning) and Alphanov amplifier issueamplifier power measurement before the
compressor CVBG.
we used a mirror in between the amplifier
  
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