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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
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 :
40
Thu Oct 21 10:24:01 2021
Blanc
Fixed
info
utilities
Other
Presentations
Here the first part
of all the presentations since the beginning
of the project.
41
Thu Oct 21 10:30:38 2021
Blanc
Fixed
info
utilities
Other
Presentations
Here the second part
of all the presentations since the beginning
of the project.
42
Thu Oct 21 10:32:54 2021
Blanc
Fixed
info
utilities
Other
Presentations
Here the last part
of all the presentations since the beginning
of the project.
1
Tue Mar 23 18:33:16 2021
Ronic Chiche
Fixed
info
lasers and optics | detectors and electronics
Optical room
Phase noise measurement of the Amplitude MIKAN
Installation 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 Chiche
Fixed
info
lasers and optics | detectors and electronics
Optical room
Phase noise measurement of the Amplitude MIKAN
Coupling 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 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.
12
Fri May 7 15:40:10 2021
Ronic Chiche
Fixed
info
lasers and optics
Optical room
Theoretical Finesse, Gain and Coupling
For spherical mirrors M3 and M4 (batch
C117I054) the reflectance (R) is around 99.9987%
(if T+R=1 => T=13ppm)
13
Wed Jun 30 20:26:38 2021
Kevin Dupraz
Under Process
info
lasers and optics | detectors and electronics
Optical room
Cameras Calibration
After installing cameras the actual calibration
are :
NF_Refl: acA1920-40gm
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
17
Tue Sep 7 14:27:07 2021
Blanc
Fixed
info
lasers and optics
Optical room
Polarisation Results of the NKT
I made many tests about polarization and
we can see some points thanks to the following
figures :
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