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New entries since:Thu Jan 1 01:00:00 1970
ID Date Author Status Type Category Location Title Text Attachments
  18   Mon Sep 27 10:08:01 2021 Manar AmerFixedreportmechanics | lasers and optics | detectors and electronics | cablingOptical roomMinicav Updated SetUp Enclosed is the current setup of the minicavity

** made by Fred
 Minicav_update_1.PNGminicav_update_1.svg 
  17   Mon Jul 5 10:04:21 2021 Manar AmerFixedreportmechanicsOtherMirrors Mounts Update, they are received and the order
is logged in MINICAV orders

Mounts placed in SAS cupboard
  
  16   Fri May 7 16:18:07 2021 Ronic ChicheFixedinfolasers and optics | vacuumOptical roomVacuum and locking testsToday, the vacuum pressure inside the Minicav
was good : 7.8e-6 mbar
the Gauge model is a Leybold PTR 90N
 IMG_20210507_104741.jpgIMG_20210507_104908.jpgIMG_20210507_105000.jpgIMG_20210507_105413.jpgIMG_20210507_105436.jpg 
  15   Thu May 6 17:40:49 2021 Manar AmerFixedreportmechanics | lasers and opticsOtherOptical Windows installedA new optical window was installed in place
of the old broken one (it was broken from
the sides, a sign there might have been a
 20211304_Optical_Windows_sides_properties.pdf 
  14   Thu May 6 17:36:20 2021 Manar AmerFixedreportmechanics | vacuumOthervacuum Joint installedThe placement of the new ordered optical
joint for the minicav
 20210605_Vacuum_New_Joint.jpg 
  13   Thu Apr 22 16:59:12 2021 Manar AmerFixedreportlasers and opticsOtherTelescope to match Koheras with minicavThe telescope to adjust the beam size was
made only using one lens with very long focal
length (1 meter)
  
  12   Tue Apr 20 15:57:49 2021 Manar AmerFixedreportlasers and opticsOtherTelescope to match Koheras with minicavThe beam waist of the Koheras CW laser
after the collimater is bigger than the Waist
required for injection inside the cavity
  
  11   Tue Apr 20 15:56:05 2021 Ronic ChicheUnder Processreportlasers and opticsOtherFirst alignement of the Koheras with the FP cavity
We changed the mirrors position
back to the original reference (0, 0, 0,
0) for all mirrors, but the alignment could
  
  10   Mon Apr 19 18:21:51 2021 Ronic ChicheUnder Processreportlasers and opticsOtherFirst alignement of the Koheras with the FP cavitytoday with Manar, we brought the Koheras
to the Minicav optical room and aligned it
with the Iris used for the cavity.
  
  9   Tue Mar 23 14:36:01 2021 Manar AmerFixedreportmechanicsOtherMirrors closely backed when Fixed Throughout all the range of motion for
the motors  

-→ no problem with the mirrors
 20211103__Mirror_position_check_M1-M3.jpg20211103__Mirror_position_check_M2-M4.jpg20212303__pinholes_after_cut.jpg20212303__pinholes_position_check_M1-M3.jpg20212303__pinholes_position_check_M2-M4.jpg 
  8   Thu Mar 11 11:04:55 2021 Manar AmerFixedissuemechanicsOtherMirrors closely backed when Fixed The mirrors were placed in the wrong orientation,
it was adjusted correctly

but the issue of having the mirrors/irises
 20211003_Mirrors-Irises_very_closely_spaced_after_adjustment_of_position.jpg 
  7   Mon Mar 8 18:47:39 2021 Manar AmerFixedissuemechanicsOtherMirrors closely backed when Fixed As shown in the image attached when placing
the mirror mounts (or irises) of the very
close mirrors on the mounts they hit each
 20210503__Mirrors_very_closely_spaced_.jpg 
  6   Mon Mar 8 18:35:06 2021 Manar AmerNot FixedreportmechanicsOtherScrews Length Specific length (5 mm) for the screws used
to fix the mirrors and the irises in the
cavity box
 20210503__Minicavity_Screws_length_to_fix_mirrors.jpg20210302__Minicavity_irise_and_screws.jpg 
  5   Mon Mar 8 18:33:41 2021 Manar AmerNot Fixedreportlasers and opticsOtherSpare Mirrors There are spare mirrors placed in the preparation
room of the minicavity

the exact number to be investigated
  
  4   Mon Mar 8 18:33:24 2021 Manar AmerNot Fixedissuelasers and opticsOtherMirrors Damage The mirrors have what seems to be damage
spots on them

To be investigated after
 20210802__Injection_mirror_.jpg 
  3   Mon Mar 8 18:32:56 2021 Manar AmerFixedreportmechanicsOtherMirrors Mounts The minicavity mirror mounts are located
in the preparation room  before the
clean room in the cupboard.
 20210803__Minimirror_Mounts.jpg 
  2   Mon Mar 8 18:31:26 2021 Manar AmerFixedreportmechanicsOtherreferance plate position adjestment The reference plate position was adjusted;

- previously: the side facing us
(where the plane mirrors are located), the
 20210102_referance_plate_marker_when_installed.jpg20210202_referance_plate_marker_correct_possition.jpg 
  1   Mon Feb 1 17:46:16 2021 Manar AmerFixedreportmechanicsOtherInstallation of referance plate (installation plaque de référence)************************** The
work in this report is done in the Minicavity
clean room ***************************
 minicavity-showing_new_plate.jpg210102_setup_next_to_cavity_box-up_view.jpg210102_setup_on_the_table_of_minicav.jpgsetup.jpgPlateSchematic.pdf 
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