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ID Date Author Statusdown Type Category Location Title Text Attachments
  219   Thu Apr 25 22:12:25 2024 Xinyi LuFixedinfolasers and opticsOptical room2 mirror cavity high power experimentsToday, Ronic and I recorded some intracavity
power and cavity mode size as shown in Fig.
1.		  record_20240425.pngScreenshot_2024-04-25_4_155354-155kw.pngScreenshot_2024-04-25_1_154630-155kw.png60kW_highordermode2.jpg 
  220   Mon May 6 18:38:18 2024 Xinyi LuFixedinfolasers and opticsOptical roomhigh-power experiments of 2-mirror cavityToday, Ronic, Daniele and I redo the high-power
2-mirror cavity experiments, and the results
are shown in the table (Figure 1 and		  record_20240506.pngrecord20240506.xlsxScreenshot_2024-05-06_11_145855-500kW.pngScreenshot_2024-05-06_1_112931-14kW.png 
  221   Thu May 16 18:51:17 2024 Xinyi LuFixedinfolasers and opticsOptical roomhigh-power experiments of 2-mirror cavityhere is a Matlab code to try to optimize
the telescope for a hot cavity,
taking into account the thermal lens		  telescope_optimization_for_700kW.pdf2_Mirrors_-_216MHz_-_700kW_cavity_setup.xmlcavity_2M_dynamic_thermal_effect.m 
  222   Fri May 17 15:02:01 2024 Xinyi LuFixedinfolasers and opticsOptical roomhigh-power experiments of 2-mirror cavityHere's a summary of our experiment
last week:

The initial telescope position:		  6x 
  223   Wed Jun 19 10:38:00 2024 Ronic ChicheFixedinfomechanics | lasers and optics | detectors and electronicsOptical roomD-shape mirrors positionning statussummary:

- the motors used to move the D-shape
are the Newport Picomotors 8303-V		   
  226   Fri Nov 29 12:06:05 2024 Alice RenauxFixedinfolasers and opticsOptical roomMenhir 160MHz laserThe Menhir 160MHz has been put back in
place on the CELIA amplifier setup. Its output
power is measured to be 150-160mW with an		  spectre_avant_cvbg.xlsxspectre_apres_cvbg.xlsxspectre_avant_cvbg.pngspectre_apres_cvbg.png 
  228   Tue Dec 3 13:51:52 2024 Ronic ChicheFixedinfoutilitiesOptical roomoptical table cleaningthis morning with Alice and Daniele, we
removed all the optics elements and equipments
from the SBOX optical table and started to		  Oxydation.jpg20241203_113105.jpg20241203_125359.jpg 
  229   Fri Dec 6 16:59:57 2024 Ronic ChicheFixedinfoutilitiesOptical roomoptical table cleaningthis afternoon, we checked the dust meter
which is at 0 for 1 and 5µm dust particles
but ~ 2000-3000 for 0.3µm particles.		   
  231   Tue Mar 4 18:33:26 2025 Ronic ChicheFixedinfoutilitiesOptical roomoptical table cleaningnow, it seems the table is clean enough
(dust meter counts 0 particles) to install
a 2 mirrors FP-cavity.		   
  237   Fri Jun 13 20:10:00 2025 Alice RenauxFixedreportlasers and opticsOptical roomDamaged mirrors testToday with Dorian we tested three mirrors
with which we previously haven't been
able to obtain any resonance or optical beating		   
  241   Thu Sep 4 17:35:50 2025 Ronic ChicheFixedinfolasers and optics | detectors and electronicsOptical roomInstallation of the avalanche photodiodeAfter installing the 2nd EOM, we had some
trouble to be able to lock again.
One possible reason was the very low		   
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