| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
2
|
Mon Oct 1 11:30:39 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Phase measurement with HASO | 2 measurement.
First one locked, in transmission
of M2 with 2nd stage 0A.Total 89 cm from |
|
|
3
|
Mon Oct 1 14:27:35 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Phase measurement with HASO | * Loic has to fix the number of files (3)
regarding the number of measurements (2)
* splitted Intensity and phase |
8x |
|
4
|
Mon Oct 1 15:19:48 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Phase measurement with HASO | with just intensity, the coupling is 98%,
and with phase, x direction coupling is 95%,
y direction 97%, so the telescope is good. |
|
|
5
|
Tue Oct 9 10:15:17 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Polarization optimization | Optimization of the polarization has been
made the 03/10/18. Checked in reflection
of the cavity in reflection&transmission |
|
|
6
|
Tue Oct 9 10:19:29 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Record power-up | Measurement made on 03/10/18 (nothing has
been done since there).
Stable power in the cavity of 225 |
|
|
7
|
Thu Oct 18 09:42:39 2018 |
Loïc Amoudry | Fixed | report | mechanics | lasers and optics | Optical room | Motors for D-shaped mirrors | Motors have been installed on 16/10/18.
No problem with them.
Effect of the motors tested on |
|
|
8
|
Fri Oct 19 11:13:40 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Transmission vs D-shape position at different powe | Measurements have been done on 18/10/18.
Datas are on excel file, also matlab
file. |
|
|
9
|
Fri Oct 19 11:23:27 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Beam size vs D-shape position | Measurement done on 18/10/18.
At high power, the shape of the
0.0 mode does not change. The D-shape only |
|
|
10
|
Fri Oct 19 11:46:21 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Beam size vs D-shape position | Matlab code for size vs position and power
:
clear all |
|
|
11
|
Wed Oct 31 11:27:49 2018 |
Loïc Amoudry | Fixed | report | mechanics | lasers and optics | Optical room | Power measurement with D-shape | Measurements of lot of points with D-shape
mirrors well positionned.
Power not optimized to the best |
|
|
12
|
Wed Oct 31 11:36:30 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Finesse vs power by difference between main and second resonance | Measurements show that ratio decrease versus
power. BUT, the second resonance measurement
induce lower power in the cavity so the ratio |
|
|
13
|
Wed Oct 31 13:42:22 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Polarization frequency | Check of the frequency of the onefive locked
on each polarization of the cavity (tilt
a waveplate by 45°). |
|
|
14
|
Wed Oct 31 13:43:03 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Polarization frequency | Measurement on 30/10/18.
|
|
|
15
|
Wed Oct 31 13:43:28 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Finesse vs power by difference between main and second resonance | Measurement on 24/10/18
|
|
|
16
|
Wed Oct 31 13:44:22 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Finesse vs power by difference between main and second resonance | Measurement on 25/10/2018
|
|
|
17
|
Wed Oct 31 13:48:58 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | M1 transmission measurement | Center of M1:
I |
|
|
19
|
Wed Oct 31 14:03:22 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | M4 transmission measurement | The kept transmission for M4 is
2.17 ppm. Which is the value
measured after alignement (center of the |
|
|
20
|
Wed Oct 31 14:04:50 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | M4 transmission measurement |
Loïc |
|
|
21
|
Wed Oct 31 14:06:17 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | M1 transmission measurement | At different positions, transmission give
194, 193, 208, 200 ppm?
|
|
|
22
|
Mon Nov 5 13:11:08 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | First run with spare mirrors |
I (A)
|
|