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ID Date Author Status Type Category Location Titledown Text Attachments
  173   Tue Dec 6 11:47:36 2022 Ronic ChicheFixedissuelasers and opticsThomX iglooAlphanov amplifier issueToday, I did a Teams meeting with Guillaume.
He didn't see any problem with
the controller.
 Sécurité_et_CC_ampli_Alphanov.pdf 
  174   Thu Dec 15 11:41:36 2022 Ronic ChicheFixedissuelasers and opticsThomX iglooAlphanov amplifier issueYesterday, we received the controller back
from Alphanov
and I tested it immediately in the
  
  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 
  149   Tue Apr 26 11:12:58 2022 Ronic ChicheFixedissuelasers and opticsThomX iglooAlphanov amplifier compressor's CVBG thermal imageslast Friday with Manar, we took some thermal
images of the Alpnavov compressor box.

I post a small document to summarize
 Thermal_images.pdf 
  150   Tue Apr 26 11:15:23 2022 Ronic ChicheFixedissuelasers and opticsThomX iglooAlphanov amplifier compressor's CVBG thermal imageslast Friday with Manar, we took some thermal
images of the Alpnavov compressor box.

I post a small document to summarize
 Thermal_images.pdf 
  175   Mon Jan 2 15:21:09 2023 Ronic ChicheFixedinfolasers and opticsThomX iglooAlphanov amplifier beam profile measurementtoday with Manar, we brought everything
to make the profile measurement.

the chiller was in error
  
  176   Thu Jan 5 09:58:50 2023 Ronic ChicheFixedinfolasers and opticsThomX iglooAlphanov amplifier beam profile measurementyesterday morning with Manar,

1) we fixed the threshold level
of the laser input signal which makes the
 Tutoriel_PD_PULS.pdf2023_Alphanov_Beam_Profile_setup.jpg 
  177   Mon Jan 9 12:11:14 2023 Ronic ChicheFixedinfolasers and opticsThomX iglooAlphanov amplifier beam profile measurementthis morning with Manar,

- we checked first the chiller
problem.
  
  179   Wed Jan 11 17:31:00 2023 Ronic ChicheFixedinfolasers and optics | softwareThomX iglooAlphanov amplifier beam profile measurementToday with
Ronic 

For
 error_signal_Temperature_case_amplifier.jpg 
  180   Wed Jan 11 17:38:13 2023 Ronic ChicheFixedinfolasers and opticsThomX iglooAlphanov amplifier beam profile measurementthis morning with Manar,

- we fixed the chiller problem
(+/-2°C fluctuation around the set temperature
  
  181   Mon Jan 30 17:28:00 2023 Ronic ChicheFixedreportlasers and optics | softwareThomX iglooAlphanov amplifier beam profile measurementRonic on Friday operated the Amplifier
from the Alphanov software, switched it off
then turned on the LAL software,
  
  182   Mon Jan 30 17:28:33 2023 Ronic ChicheFixedreportlasers and optics | softwareThomX iglooAlphanov amplifier beam profile measurementthe laser amplifier worked for some days
but it ended to a "watchdog" alarm
which switches off the amplifier... investigation
  
  184   Wed Feb 8 11:25:50 2023 Ronic ChicheFixedreportlasers and optics | softwareThomX iglooAlphanov amplifier beam profile measurementwe have had this new issue (watchdog alarm
switching off the amplifier) for several
days.
 scope.jpg 
  185   Wed Feb 8 14:09:50 2023 Ronic ChicheFixedreportlasers and optics | softwareThomX iglooAlphanov amplifier beam profile measurementWith Daniele after, we took a readings
of the beam with a lens of 750 mm.

From the observed data, we can
 20230208_error_watchdog.jpeg 
  186   Fri Feb 10 09:54:46 2023 Ronic ChicheFixedreportlasers and optics | softwareThomX iglooAlphanov amplifier beam profile measurementThis morning,

- with the "Alphanov"
software => Central panel => "system"
  
  187   Tue Feb 14 12:53:09 2023 Ronic ChicheFixedreportlasers and optics | softwareThomX iglooAlphanov amplifier beam profile measurementThis morning with Daniele, we did a second
measurement of the beam profile using a different
lens of focal 400 mm.
  
  188   Wed Feb 22 16:11:32 2023 Ronic ChicheFixedreportlasers and optics | softwareThomX iglooAlphanov amplifier beam profile measurementOn Monday 20th of February, Daniele and
Viktor took some beam profile measurement
data @ 50% of power amplification.
 Analyse_Données_20_fevrier.pptx 
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