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ID Date Author Status Type Categorydown Location Title Text Attachments
  271   Mon Oct 9 13:11:23 2023 Daniele NutarelliFixedinfolasers and opticsThomX iglooTests of pointing stability of the laser CFPLast monday with Victor we have cheked
the stability of de pointing of the laser
FP.
 IMG_20231003_155009_resized_20231009_103610100.jpgIMG_20231003_155458_resized_20231009_103610449.jpg 
  272   Tue Nov 7 14:09:25 2023 Ronic ChicheFixedinfolasers and opticsThomX iglooStrecher and fiber injection alignmentToday, the power measured at the input
of the amplifier (PD_IN on the LAL amplifier
software) is 2.5mW instead of >3mW generally
  
  288   Thu Nov 23 12:26:26 2023 Ronic ChicheFixedissuelasers and opticsThomX iglooTemperature control of the Laser length with the inside Peltier

bunker temperature @ 22.5°C

today, Sebastien Pitrel improved
  
  300   Thu Nov 30 12:33:08 2023 Ronic ChicheFixedinfolasers and opticsThomX iglooFP-cavity inside power sensitivitythis morning I monitored the frequency
shift between the FP-cavity frequency (the
laser is locked on it) and the RF reference
 FP-cavity_freq.pngScreenshot_2023-11-30_12-30-23.png 
  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 
  305   Fri Dec 8 12:21:25 2023 Ronic ChicheFixedinfolasers and opticsThomX iglooStrecher and fiber injection alignmenttoday, the Alphanov amplifier stopped because
of the too low injected power : ~2.5mW (measured
by the Alphanov software)
  
  310   Wed Jan 10 15:21:46 2024 Ronic ChicheUnder Processinfolasers and opticsThomX iglooVariable focal lens validationwe plan to use Electrically Tunable Lenses
EL-10-30-C NIR to build the ThomX telescope
but they need to be compatible with the powerful
 Optotune_EL-10-30.pdfJOSAB.8.000337.pdf 
  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
  
  343   Thu Jun 6 09:17:02 2024 Ronic ChicheFixedissuelasers and opticsThomX iglooAlphanov amplifier issueFYI : to access special menus on the Alphanov
software,

login : "Administrator"
  
  345   Wed Jun 19 09:14:14 2024 Ronic ChicheFixedissuelasers and opticsThomX iglooAlphanov amplifier issuethe present situation is :

Guillaume asked me to disconnect
the "Laser head" cable from the
  
  346   Mon Jul 22 09:54:24 2024 Ronic ChicheFixedissuelasers and opticsThomX iglooAlphanov amplifier issueGuillaume and Julien Bour from Alphanov
will come on wednesday 24/07 to have a first
look and check the amplifier.
  
  347   Tue Jul 23 09:37:24 2024 Ronic ChicheFixedissuelasers and opticsThomX iglooAlphanov amplifier issuepicture of the connectors used to carry
signals between the amplifier pump module
and the rack under the table.
 connecteur_laser_head_sur_module_pompes_ampli.jpgconnecteur_laser_head_sur_chassis_ampli.jpg 
  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 
  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.
  
  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:
  
  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
  
  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 :
  
  403   Mon Feb 17 12:12:02 2025 Ronic ChicheFixedinfolasers and opticsThomX iglooNew power record in ThomX cavitytoday, we were able to store more than
93kW in the FP cavity, always with the same
parameter : 33% laser amplifier ratio
 img1.jpg 
  410   Thu Feb 20 12:36:19 2025 Ronic ChicheFixedinfolasers and opticsThomX iglooNew power record in ThomX cavitytoday, we were able
to store more than 94kW in the FP cavity,
always with the same parameter : 33% laser
 img1.jpg 
  418   Tue Mar 18 11:45:21 2025 Ronic ChicheFixedinfolasers and opticsThomX iglooNew power record in ThomX cavitytoday, we were able to store more than
95kW in the FP cavity, always with the same
parameter : 33% laser amplifier ratio
 img1(2).jpg 
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