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MINICAV orders MINICAV installation MINICAV commissioning MINICAV control command
  Status of commissioning, report also here plots are reports., Page 1 of 5  Not logged in ELOG logo
ID Date Author Status Type Categorydown Location Title Text Attachments
  40   Thu Oct 21 10:24:01 2021 BlancFixedinfoutilitiesOtherPresentationsHere the first part
of all the presentations since the beginning
of the project.
 2-Présentation_LAL_22_06_2020_Corrigée.pptx4-Présentation_LAL_29_06_2020_Corrigée.pptx5-Présentation_LAL_27_07_2020.pptx6-Présentation_LAL_30_11_2020.pptx7-Présentation_LAL_07_12_2020.pptx 
  41   Thu Oct 21 10:30:38 2021 BlancFixedinfoutilitiesOtherPresentationsHere the second part
of all the presentations since the beginning
of the project.
 8-Présentation_LAL_15_04_2021_elog.pptx9-Présentation_LAL_10_05_2021_elog.pptx10-Présentation_LAL_28_06_2021.pptx 
  42   Thu Oct 21 10:32:54 2021 BlancFixedinfoutilitiesOtherPresentationsHere the last part
of all the presentations since the beginning
of the project.
 12-Présentation_LAL_13_09_2021.pptx13-Présentation_LAL_27_09_2021.pptx14-Présentation_LAL_11_10_2021.pptxPrésentation_Amplitude_23_08_2021.pptx 
  7   Mon Apr 19 19:11:47 2021 Manar AmerFixedreportmechanics | softwareOtherDistances between mirrors
  At the reference zero the
distance between the mirrors is (taken from
a reference presentation "status9nov2020"
 20211604__Distances_Between_mirrors.pngstatus9nov2020.pptx 
  43   Thu Dec 2 16:12:17 2021 Aurélien MartensFixedreportmechanics | softwareOptical roomnew smaract positionsM1 and M2 at 5.1085mm and M3 and M4 at
-2.9mm
  
  11   Tue May 4 15:56:33 2021 Manar AmerFixedreportmechanics | lasers and optics | softwareOtherDistances between mirrors New update on the position of the Motors
for the cavity

***** we moved
 20210305_Distances_between_Mirrors_new_motor_set_point.png 
  23   Fri Oct 1 16:55:47 2021 BlancFixedinfomechanics | lasers and optics | detectors and electronicsOptical room1GHz oscillator Frep measurementa previous cavity FSR measurement was giving
a center frequency around 867.5MHz.

the
present 1GHz oscillator Frep measurement
  
  35   Tue Oct 19 18:27:20 2021 Ronic ChicheFixedreportmechanics | lasers and optics | detectors and electronicsOptical roomPZT resonant frequencieswe have excited the PZT with a swept sinus
wave from 1kHz to 10kHz and from 10kHz to
100kHz.
 Sweep_1kHz-10kHz.pngSweep_10kHz-100kHz.png 
  39   Thu Oct 21 09:44:35 2021 BlancFixedinfomechanics | lasers and optics | detectors and electronicsOptical room1GHz oscillator Frep measurementThe optical spectrum of the GHz oscillator:
FWHM ~ 4nm

 Spectre_GHz-3.PNG 
  25   Mon Oct 4 15:10:17 2021 Aurélien MartensFixedreportmechanics | detectors and electronics | softwareOptical roomnew position of smaract motorsfollowing the measuremetn at 879.9 MHZ
of the laser theoptical cavity length has
been adjusted to that value from 876MHz setting
  
  5   Mon Apr 19 18:41:03 2021 Manar AmerFixedreportmechanics | cabling | softwareOtherSetting up the MotorsA document attached that describes the
procedure needed to:

- connect the motors
 setting_up_the_motors.docx 
  4   Thu Apr 15 19:54:19 2021 Manar AmerFixedreportmechanics | cablingOtherMirrors Mottors Connections Added the cabling to the categories 




  
  3   Thu Apr 15 19:45:08 2021 Manar AmerFixedreportmechanicsOtherMirrors Mottors Connections * The connections to control the motors
of the mirrors are connected in the order
stated :
 20210804_Motor_connections_with_mirrors_inside_cavity_box.jpg20210804_Mottor_cables_behind_cavity_box.jpg 
  1   Tue Mar 23 18:33:16 2021 Ronic ChicheFixedinfolasers and optics | detectors and electronicsOptical roomPhase noise measurement of the Amplitude MIKANInstallation of the MIKAN.
powermeter (with OD1) just after the
oscillator shows 440mW for 4A of the MIKAN
  
  2   Tue Apr 6 09:25:47 2021 Ronic ChicheFixedinfolasers and optics | detectors and electronicsOptical roomPhase noise measurement of the Amplitude MIKANCoupling into a 50-50% fiber coupler using
the Thorlabs XYZ table NanoMax TS.
We reached 117mW after the 50% arm
  
  10   Fri Apr 30 17:41:10 2021 Aurélien MartensFixedreportlasers and optics | detectors and electronicsOptical roomLock, cavity length and finesse estimateRonic just suceeded in obtaining a reasonably
good lock on the cavity. Air flow is switched
off.
 IMG_20210430_173331.jpg 
  13   Wed Jun 30 20:26:38 2021 Kevin DuprazUnder Processinfolasers and optics | detectors and electronicsOptical roomCameras CalibrationAfter installing cameras the actual calibration
are :

NF_Refl: acA1920-40gm
 NF_Refl_calib_hex2mm__2021-06-23__16-59-26.bmpNF_Trans_calib_hex2mm__2021-06-23__17-06-49.bmpNF_Inj_calib_DIODE__2021-06-24__10-56-00.bmpNF_Inj_calib_DIODE__2021-06-24__10-42-00.bmpNF_Trans__2021-06-25__16-38-56.bmp 
  15   Mon Sep 6 18:17:24 2021 Kevin DuprazUnder Processreportlasers and optics | detectors and electronicsOptical roomCavity lock and referencesCavity is lock and optimized with the NKT.
Input power is maximized (10mW).

Cavity mode is in attachement.
 NF_Trans_2021-09-06__17-49-00.bmp 
  16   Tue Sep 7 11:05:47 2021 Aurélien MartensFixedreportlasers and optics | detectors and electronicsOptical roomLock, cavity length and finesse estimatewe observed that the transmitted light
coming from the cavity is made of the cavity
mode light and the scattered light on the
  
  18   Tue Sep 7 17:48:50 2021 BlancFixedinfolasers and optics | detectors and electronicsOptical roomLocking of the cavity and setup changingWe change the setup a bit to have the same
polarization on the photodiode and the PDH
(in reflexion of the cavity). CF: schematics
 scope_0.png 
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