| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
460
|
Tue Oct 28 17:31:47 2025 |
Ronic Chiche | Fixed | issue | lasers and optics | detectors and electronics | ThomX igloo | High frequency noise | we did some tests with Marie to make some
vibrations on the door.
below, I exhibit some pictures of |
|
|
463
|
Mon Dec 8 11:17:17 2025 |
Ronic Chiche | Fixed | issue | lasers and optics | detectors and electronics | ThomX igloo | High frequency noise | This morning, I installed a high-voltage
probe (1:1000) on the AC-line to see if one
could detect a correlation between lock losses |
|
|
1
|
Tue Sep 25 19:17:43 2018 |
Loïc Amoudry | Fixed | info | lasers and optics | Optical room | Onefive Origami 33MHz specs | Power during ~20h, power after turn on,
spectrum image and excel datas, polarisation
and pulse length. |
6x |
|
2
|
Thu Sep 27 15:43:48 2018 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Onefive Origami 33MHz specs - Polarisation | one rotate a lambda/2 before a PBS and
meausure the refected power:
Pmax=35.6 mW |
|
|
7
|
Mon Oct 22 11:03:22 2018 |
Ronic Chiche | Fixed | info | vacuum | Optical room | Détection de fuite | Mail de Bruno Mercier du 18/10/2018 :
Un petit CR
de la journée: |
|
|
8
|
Mon Oct 22 11:27:35 2018 |
Ronic Chiche | Fixed | info | mechanics | Optical room | Remontage mécanique | Mail de Yann du 12/10/2018 :
Je vous fais le bilan des actions
effectuées : |
|
|
9
|
Mon Oct 22 11:29:41 2018 |
Ronic Chiche | Fixed | info | mechanics | Optical room | Remontage des vérins | Mail de Yann du 8/10/2018 :
Bonjour,
Tous les vérins sont maintenant |
|
|
10
|
Mon Nov 26 15:18:49 2018 |
Ronic Chiche | Fixed | info | vacuum | Optical room | Etuvage cavité THOMX | Mail de Bruno Mercier
du 19/11/2018 :
Une première cavité |
|
|
11
|
Fri Dec 21 13:55:09 2018 |
Loïc Amoudry | Fixed | info | vacuum | Optical room | End of vacuum test and cavity ready for cleaning | Vacuum tests finished on 19 december
2018.
Spent last two days to discuss |
|
|
17
|
Tue Feb 19 15:50:08 2019 |
Loïc Amoudry | Fixed | info | mechanics | Optical room | Motors connexions | Motors are connected. The true mirror's
name are P1 for injection mirrors, S2, S3
and P4. (S=spherical, P=planar). |
|
|
27
|
Tue Apr 2 18:05:46 2019 |
Loïc Amoudry | Fixed | info | lasers and optics | Optical room | Beam size at closest spherical mirrors position | S3 and S2 @ +1 640 000 and P1 and P4 @
-825 000
Diameter in x: 4.7mm |
|
|
34
|
Thu Apr 18 16:07:23 2019 |
Loïc Amoudry | Fixed | info | lasers and optics | Optical room | Injection of 33MHz Onefive through fiber | Output power of the Onefive, and power
after injection and different components
have been measured. |
|
|
42
|
Wed Jun 12 17:49:20 2019 |
Loïc Amoudry | Fixed | info | lasers and optics | Optical room | Polarization | Polariztion measured with Input vertically/horizontally polarized
(~100% DOLP)
- Transmission (P4) locked on cavity |
|
|
43
|
Tue Jun 18 20:44:34 2019 |
Huan Wang | Fixed | info | lasers and optics | Optical room | telescope for Koheras | telescope of Koheras is removed, information
record here:
- distance between collimator edge |
|
|
46
|
Thu Jul 4 10:17:46 2019 |
Ronic Chiche | Fixed | info | detectors and electronics | Optical room | New design for PDH boxes | A new design has been studied for the 5
PDH boxes to better match the low (33MHz)
repetition rate of the ThomX laser. |
|
|
49
|
Mon Jul 29 17:15:35 2019 |
Loïc Amoudry | Fixed | info | mechanics | lasers and optics | Optical room | Spin coater air supply removed and front panel changed | Spin coater firstly needed vacuum and air
supply. The air supply being useless for
our experiments, it has been disabled. |
|
|
55
|
Tue Sep 3 18:06:29 2019 |
Loïc Amoudry | Fixed | info | lasers and optics | Optical room | Mirrors sent to LMA | Mirrors have been sent today to LMA for
cleaning and maybe annealing (recuit). 3
ULE of ThomX and the fused silicate for injection |
|
|
57
|
Fri Sep 6 14:59:00 2019 |
Loïc Amoudry | Fixed | info | lasers and optics | Optical room | LMA cleaning technique | Christophe MICHEL told us more precise
informations about spin coater cleaning.
They always clean with pur water |
|
|
61
|
Fri Sep 27 16:17:36 2019 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Finesse measurement | After mirrors were going back from LMA
for cleaning and thermal anealing, they have
been installed in FP cavity for Finesse measurement. |
|
|
62
|
Mon Sep 30 11:20:48 2019 |
Loïc Amoudry | Fixed | info | lasers and optics | Optical room | Diffusion ULE spherical mirror (S3) vs Fused Silicate injection planar mirror (P1) | Observation made with IR Beam Viewer:
The observation of P1 and S3 simultaneously
while locking shows much higher diffusion |
|