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ID Date Authordown Status Type Category Location Title Text Attachments
  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		   
  12   Fri May 7 15:40:10 2021 Ronic ChicheFixedinfolasers and opticsOptical roomTheoretical Finesse, Gain and CouplingFor spherical mirrors M3 and M4 (batch
C117I054) the reflectance (R) is around 99.9987%
(if T+R=1 => T=13ppm)		   
  32   Tue Oct 5 18:24:53 2021 Ronic ChicheFixedinfolasers and opticsOptical roomLocking with fast analog loop on AOMin addition to the standard locking scheme
with the GHz laser PZT,

we added an AOM after the PDH modulation		   
  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 
  36   Wed Oct 20 12:36:15 2021 Ronic ChicheFixedreportlasers and opticsOptical roomAmplitude GHz oscillator phase noise with PZT effect3 phase noise measurements made on the
Amplitude GHz oscillator with different PZT
configurations :		  Amplitude_GHz_phase_noise.pngGHz_oscillator_phase_noise_without_front-end-1.png 
  37   Wed Oct 20 14:54:00 2021 Ronic ChicheFixedinfolasers and optics | detectors and electronicsOptical roomPhase noise measurement of the Amplitude MIKANMIKAN phase noise and RIN measurements:




 MIKAN_optical_phase_noise_comparison_with_NKT_CW_oscillator_&_RIN_@54MHz.png 
  38   Wed Oct 20 15:27:51 2021 Ronic ChicheFixedreportlasers and opticsOptical roomAmplitude GHz oscillator phase noise with PZT effectThorlabs PZT datasheet.
Reference: PC4QR

 PC4QR-SpecSheet-1.pdf 
  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 
  4   Thu Apr 15 19:54:19 2021 Manar AmerFixedreportmechanics | cablingOtherMirrors Mottors Connections Added the cabling to the categories 




  
  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 
  6   Mon Apr 19 18:47:28 2021 Manar AmerFixedreportlasers and opticsOtherAlignment using Helium Neon Laser 05 April  2021 :  A rough alignment
of the cavity was done using the Helium Neon
Laser.		  20210202__Helium_Neon_laser_parameters.jpg 
  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 
  8   Tue Apr 27 13:57:15 2021 Manar AmerFixedreportlasers and opticsOtherAlignment using Koheras Following the Helium Neon Alignment + change
in the distance between the mirrors to be;
M3-M4 = 90.5 mm , M1-M2 = 80.2 mm  -→		  6x 
  9   Thu Apr 29 06:14:09 2021 Manar AmerFixedreportlasers and opticsOtherMode observed and cavity Lock ** Following up from yesterday an observation
about the TM00 mode : it has been seen with
similar dimensions and its position is the		  20212804_Fundamental_mode_in_cavity_2D_-_Position.png20212804_Cavity_Coupling_with_Koheras.jpg20212804_Temperature_Curve.jpg 
  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 
  14   Wed Jun 30 20:29:17 2021 Manar AmerFixedreportlasers and opticsOtherMode observed and cavity Lock New configuration is made. The new mode
observed in NF_Trans is the following :

 NF_Trans__2021-06-25__16-38-56.bmp 
  22   Fri Sep 24 09:55:35 2021 Manar AmerUnder Processreportlasers and opticsOptical roomReflection Line Polarization MeasuremetWith the help of Ronic the cavity was locked
in preparation to measure the polarization
of the reflection line when the cavity is		  Reflection_line.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 
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