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  Status of commissioning, report also here plots are reports., Page 5 of 13  Not logged in ELOG logo
ID Date Author Status Type Category Location Titledown Text Attachments
  127   Fri Aug 12 11:46:17 2022 Ronic ChicheFixedinfolasers and opticsOptical roomOEwaves lock and Finesse measurementthis morning, I locked the FP cavity with
the OEwaves CW laser and the "Fred fiber
amplifier" used at 500mA of pump current.
  
  64   Mon Jul 5 14:14:01 2021 Manar AmerFixedreportlasers and optics | detectors and electronicsOptical roomOEwaves CW Laser - Phase Noise
We started measuring the phase
noise on the OEwaves CW laser.

Class
3b
wavelength 1.5 um


The
 20210207_OEwaves_laser.jpg20210207_Self_coupling_setup.jpgSchematic-setup-for-optical-delayed-self-coupling-detection.png 
  65   Mon Jul 5 14:40:57 2021 Manar AmerFixedreportlasers and optics | detectors and electronicsOptical roomOEwaves CW Laser - Phase Noise a correction on the wavelength of the laser 
it is 1030 um 

  
  66   Mon Jul 5 14:46:44 2021 Manar AmerFixedreportlasers and optics | detectors and electronicsOptical roomOEwaves CW Laser - Phase Noise correction on unit 1030 nm




  
  174   Thu Dec 7 09:09:27 2023 Ronic ChicheFixedinfolasers and opticsThomX iglooNew mirrors batch informationsthe 2 files describe the specfications
for the 16 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.pdfRecap_miroirs_KBOX_et_THOMX.xlsx 
  176   Fri Dec 8 18:59:24 2023 Xinyi LuFixedreportlasers and opticsOptical roomMounts installation and cavity alignmentOver the last two days, Viktor, Ronic and
I have started to install the mirror mounts
and try to align the cavity.
  
  177   Thu Dec 14 17:52:53 2023 Xinyi LuFixedreportlasers and opticsOptical roomMounts installation and cavity alignmentOver the past few days, Viktor, Ronic and
I have continued to align the cavity.
We installed 4 mirrors and monitored the
 CCD.jpgoscillograph.jpg 
  178   Wed Dec 20 10:45:37 2023 Xinyi LuFixedreportlasers and opticsOptical roomMounts installation and cavity alignment- Over the last few days, Viktor, Ronic
and I have reinstalled the mounts and realigned
the cavity with CW laser and old mirrors.
 resonances.jpgcavity_mode.jpgcavity_mode_diameter.jpg 
  7   Thu Oct 18 09:42:39 2018 Loïc AmoudryFixedreportmechanics | lasers and opticsOptical roomMotors for D-shaped mirrorsMotors have been installed on 16/10/18.
No problem with them.

Effect of the motors tested on
 tek00000.pngtek0000CH1.isftek0000CH2.isftek0000CH3.isftek0000CH4.isf 
  24   Fri Dec 21 13:42:43 2018 Loïc AmoudryFixedinfolasers and opticsOptical roomMirrors features, come back from LMAMirrors arrived today from LMA. Their features
are damaged.

Photos avant ou après nettoyage,
 181201_caracteristiques_miroirs.PNG20181207_155704_resized.jpg20181207_155726_resized.jpg 
  23   Thu Nov 15 13:02:44 2018 Loïc AmoudryFixedinfolasers and opticsOptical roomMirrors cleaningThe new mirrors didn't give expected
results. Then the 4 old mirrors have been
sent to LMA on 12/11/18 for a cleaning and
  
  31   Fri Dec 6 11:54:58 2019 Loïc AmoudryFixedreportlasers and opticsOptical roomMirror's installedThe initial 400kW SBOX mirrors which have
been cleaned ont 28th of november have been
installed this morning on the SBOX.
  
  60   Wed Dec 16 12:36:37 2020 Loïc AmoudryFixedreportlasers and opticsOptical roomMirror's cleaning and microscope imagingOn 10th of december 2020 we cleaned the
SBOX mirrors and took microscope images
(the name of the images indicates what they
 14x 
  30   Fri Dec 6 11:53:53 2019 Loïc AmoudryFixedreportlasers and opticsOptical roomMirror's cleaningXPS has been proceeded on the 400kW SBOX
mirrors M3 and M4 (the initial cavity spherical
mirrors) in frebruary 2019. Deposited a lot
 resume_M3.PNGresume_M1_M2_M4.PNG 
  69   Tue Mar 29 16:23:00 2022 Manar AmerFixedreportlasers and optics | cablingOptical roomMightylaser Amplifier Migthylaser amplifier has been moved from
the SBox table to the PLIC table.

 
  
  46   Thu Jan 9 16:54:05 2020 Loïc AmoudryFixedreportlasers and opticsOptical roomMicroscope and cleaning of SBOX mirrorsThe mirrors went in the cavity the 28th
of november (We did several power up
to 30kW stored and only one to 40kW then
 resume_nettoyage_apres_sejour_dans_K-BOX_et_montee_en_puissance.PNG 
  190   Wed Feb 21 17:33:59 2024 Xinyi LuFixedinfolasers and opticsOptical roomMenhir pulsed laser lockingThese days, Ronic, Daniele and I achieved
stable cavity locking with the menhir pulsed
laser.
 Screenshot_2024-02-21_1_110931.pngScreenshot_2024-02-21_110934.pngcalculation.jpg 
  191   Wed Feb 21 18:09:11 2024 Xinyi LuFixedinfolasers and opticsOptical roomMenhir pulsed laser lockingHere is a simulation of the relative FP-cavity
gain vs the CEP for a Finesse of 23000 and
taking into account the Menhir laser optical
 Relative_cavity_gain_vs_CEP.pngGain_vs_CEP.m 
  192   Mon Feb 26 08:58:33 2024 Xinyi LuFixedinfolasers and opticsOptical roomMenhir pulsed laser lockingLast week, Ronic and I focused on CEP
measurements of the menhir laser.


Measurements without
 Gain_vs_CEP.pngScreenshot_2024-02-23_0_183652.png 
  193   Mon Feb 26 16:53:24 2024 Xinyi LuFixedinfolasers and opticsOptical roomMenhir pulsed laser lockinghere is the code to get this last curve




 Gain_vs_CEP.m 
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