HOME SBOX THOMX MINICAV Utilities
THOMX orders THOMX installation THOMX commissioning THOMX control command
  Status of commissioning, report also here plots are reports., Page 18 of 24  Not logged in ELOG logo
ID Date Author Status Type Category Location Title Text Attachments
  125   Thu Feb 3 18:59:10 2022 Manar AmerFixedreportlasers and optics | detectors and electronicsThomX iglooCavity Lock and Finess measurment

to measure the Finesse, instead
of having 2x EOM for the PDH and for the
  
  123   Thu Feb 3 18:40:04 2022 Manar AmerFixedreportlasers and optics | detectors and electronicsThomX iglooFP cavity alignment The fluctuation problem has been solved.
It was simply the new scheme to inject
2 RF frequencies in a single EOM.
  
  121   Thu Feb 3 14:11:50 2022 Manar AmerFixedreportlasers and optics | detectors and electronicsThomX iglooCavity Lock and Finess measurment This morning, me and Ronic managed to obtain
the FSR and image of the finesse which is
to be analyzed.
 6x 
  120   Thu Feb 3 14:10:08 2022 Manar AmerFixedreportlasers and optics | detectors and electronicsThomX iglooFP cavity alignment As it can be seen on the first plot, even
with a good locking (good reduction of "high"
frequencies noise: we had better locking
  
  119   Thu Feb 3 13:56:24 2022 Manar AmerFixedreportlasers and optics | detectors and electronicsThomX iglooFP cavity alignment Ending alignment series !!




  
  118   Wed Feb 2 11:41:01 2022 Manar AmerFixedreportlasers and optics | detectors and electronicsThomX iglooFP cavity alignment Adding Oscilloscope images


delocked + locked intervals
showing the 20% coupling
lock
 tek0003.pngtek0006.pngtek0007.png 
  117   Wed Feb 2 11:22:51 2022 Manar AmerFixedreportlasers and optics | detectors and electronicsThomX iglooFP cavity alignment This morning with Manar, we installed the
AOM+RF amplifier and the associated fast
feedback loop.
  
  116   Tue Feb 1 16:40:06 2022 Manar AmerFixedreportlasers and optics | detectors and electronicsThomX iglooFP cavity alignment This afternoon, I did some alignment of
the injection mirrors with a fast scan on
the LaseLock to get a regular transmission
  
  115   Tue Feb 1 14:17:02 2022 Manar AmerFixedreportlasers and optics | detectors and electronicsThomX iglooFP cavity alignment Installed and inputs: 


CW laser ; power = 101
mW
PDH ;

at output

Low
 ThomX_FP_setup_01-02-2022.pngtek0002.png 
  114   Wed Jan 19 09:36:53 2022 Manar AmerFixedreportlasers and opticsThomX iglooFP cavity alignment Yesterday, we did the alignment again using
Iris and beam profilers to obtain a more
precise result.
  
  113   Mon Jan 17 21:22:28 2022 Manar AmerFixedreportlasers and opticsThomX iglooFP cavity alignment ***** Continuation of the alignment ----
FP Cavity Open --- ****

The cavity was put under outer
 Interior_of_cavity_P1_S3_windowOpen.jpgInterior_of_cavity_P1_S3_windowOpen_irrisOnP1.jpgCavityAlignment_cavityOpen_S2_Output.jpgCavityAlignment_cavityOpen_S3_Output.jpeg 
  112   Mon Jan 17 10:04:14 2022 Ronic ChicheFixedinfomechanicsThomX iglooDocumentation about mechanics on Atriumhttps://atrium.in2p3.fr/0dded51a-1cb0-43e6-ae0d-626cd5db7078

a lot of schematics regarding the
  
  111   Thu Jan 13 17:08:56 2022 Ronic ChicheFixedissuemechanics | lasers and opticsOptical roomAlignment procedurePicture of the installed mirrors inside
the FP cavity.

To install an Iris instead of a
 montage.jpg 
  110   Tue Jan 11 10:36:35 2022 Manar AmerFixedreportlasers and opticsThomX iglooFP cavity alignment The alignment is on hold until next week
17th - 18th  Jan

an Alignment attempt will be done
  
  109   Thu Dec 2 21:31:21 2021 Manar AmerFixedreportlasers and opticsThomX iglooFP cavity alignment Note the direction of injection is  
  M1 - M2 - M3 - M4

                                                      
 2021_12_02_M2_Transmission.jpg2021_12_02_M3_transmission_90deg.PNG 
  108   Fri Nov 26 20:12:10 2021 Ronic ChicheFixedreportlasers and opticsThomX iglooFP cavity alignmentA continuation of the alignment process
was done, there was change in it due to variation
in temperature, 
  
  107   Thu Nov 4 18:57:16 2021 Ronic ChicheFixedinfolasers and opticsThomX iglooFP cavity alignmentThis afternoon, we continued the alignment
of the red laser.
we did it using the 2 final injection
  
  106   Thu Nov 4 13:05:49 2021 Ronic ChicheFixedinfolasers and opticsThomX iglooFP cavity alignmentas the iris used to locate the FP-cavity
axis have been removed before moving the
table inside the Igloo, we have to find again
  
  105   Fri Dec 18 17:06:53 2020 Loïc AmoudryFixedreportlasers and opticsOptical roomOnefive ouput power and spectrum1)  Note: The OneFive laser used for
experimenting is the one for the  SBox

but, for now only this laser arrived
  
  104   Fri Dec 18 16:10:04 2020 Loïc AmoudryFixedreportlasers and opticsOptical roomOnefive ouput power and spectrumAfter turning on, one can see the 133.33MHz
Onefive output power for ~40min with OD2
filter (~/20). So the real output power is
 33MHz_output_power.PNG133_spectrum_full.PNG133_spectrum.PNG133_spectrum2.PNG 
ELOG V3.1.4-395e101