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MINICAV orders MINICAV installation MINICAV commissioning MINICAV control command

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ID Date Author Status Type Category Location Title Text   3   Thu Apr 15 19:45:08 2021 Manar Amer Fixed report mechanics Other Mirrors Mottors Connections * The connections to control the motors of the mirrors are connected in the order stated :      4   Thu Apr 15 19:54:19 2021 Manar Amer Fixed report mechanics | cabling Other Mirrors Mottors Connections Added the cabling to the categories       5   Mon Apr 19 18:41:03 2021 Manar Amer Fixed report mechanics | cabling | software Other Setting up the Motors A document attached that describes the procedure needed to: - connect the motors      6   Mon Apr 19 18:47:28 2021 Manar Amer Fixed report lasers and optics Other Alignment using Helium Neon Laser 05 April  2021 :  A rough alignment of the cavity was done using the Helium Neon Laser.      7   Mon Apr 19 19:11:47 2021 Manar Amer Fixed report mechanics | software Other Distances between mirrors   At the reference zero the distance between the mirrors is (taken from a reference presentation "status9nov2020"      8   Tue Apr 27 13:57:15 2021 Manar Amer Fixed report lasers and optics Other Alignment 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 Amer Fixed report lasers and optics Other Mode 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      10   Fri Apr 30 17:41:10 2021 Aurélien Martens Fixed report lasers and optics | detectors and electronics Optical room Lock, cavity length and finesse estimate Ronic just suceeded in obtaining a reasonably good lock on the cavity. Air flow is switched off.      11   Tue May 4 15:56:33 2021 Manar Amer Fixed report mechanics | lasers and optics | software Other Distances between mirrors New update on the position of the Motors for the cavity ***** we moved      14   Wed Jun 30 20:29:17 2021 Manar Amer Fixed report lasers and optics Other Mode observed and cavity Lock New configuration is made. The new mode observed in NF_Trans is the following :      15   Mon Sep 6 18:17:24 2021 Kevin Dupraz Under Process report lasers and optics | detectors and electronics Optical room Cavity lock and references Cavity is lock and optimized with the NKT. Input power is maximized (10mW). Cavity mode is in attachement.      16   Tue Sep 7 11:05:47 2021 Aurélien Martens Fixed report lasers and optics | detectors and electronics Optical room Lock, cavity length and finesse estimate we observed that the transmitted light coming from the cavity is made of the cavity mode light and the scattered light on the      22   Fri Sep 24 09:55:35 2021 Manar Amer Under Process report lasers and optics Optical room Reflection Line Polarization Measuremet With the help of Ronic the cavity was locked in preparation to measure the polarization of the reflection line when the cavity is      25   Mon Oct 4 15:10:17 2021 Aurélien Martens Fixed report mechanics | detectors and electronics | software Optical room new position of smaract motors following the measuremetn at 879.9 MHZ of the laser theoptical cavity length has been adjusted to that value from 876MHz setting      26   Mon Oct 4 15:24:14 2021 Aurélien Martens Fixed report lasers and optics | detectors and electronics Optical room piezo actuation range A 10V applied on the laser piezo was found to induce a frequecny change of about 5kHz, compatible with expectations from the piezo      28   Tue Oct 5 11:35:16 2021 Aurélien Martens Fixed report detectors and electronics | software Optical room new position of smaract motors a cavity length measurement gave 880.9Mhz. The m1/M2 have been put to +5.1000mm both M3/M4 srill at -2.9mm      29   Tue Oct 5 12:18:34 2021 Aurélien Martens Fixed report detectors and electronics | software Optical room new position of smaract motors to find the fundamental mode we moved the cavity mirrors to new positions: +5.104mm for both planar mirrors      30   Tue Oct 5 12:23:51 2021 Aurélien Martens Fixed report detectors and electronics | software Optical room new position of smaract motors the M1 is not at 5.1045mm to put the fundamental on the scanning range of the laser piezo M2 still at 5.104mm      31   Tue Oct 5 16:23:04 2021 Aurélien Martens Fixed report detectors and electronics | software Optical room new position of smaract motors after 3hours (1pm --> 4pm) the cavity moved by 12um in total new positions: +5.1065mm on M1      35   Tue Oct 19 18:27:20 2021 Ronic Chiche Fixed report mechanics | lasers and optics | detectors and electronics Optical room PZT resonant frequencies we have excited the PZT with a swept sinus wave from 1kHz to 10kHz and from 10kHz to 100kHz.

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