| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
465
|
Wed Apr 22 09:52:40 2026 |
Ronic Chiche | Under Process | report | lasers and optics | ThomX igloo | Increasing the FP-cavity power | Last Friday, we tried to increase the FP-cavity
power by just increasing the amplifier ratio
from 35% to 70%. |
8x |
|
466
|
Mon Apr 27 16:55:15 2026 |
Ronic Chiche | Under Process | report | lasers and optics | ThomX igloo | Increasing the FP-cavity power | today with Alice and Daniele,
we checked the distance of the
optical setup : |
|
|
467
|
Wed Apr 29 09:38:20 2026 |
Ronic Chiche | Under Process | report | lasers and optics | ThomX igloo | Increasing the FP-cavity power | new power increase after alignment of the
waveplates and iris.
amplifier ratio (%) => FPC cavity |
|
|
468
|
Wed Apr 29 15:31:06 2026 |
Ronic Chiche | Under Process | report | lasers and optics | ThomX igloo | Increasing the FP-cavity power | I installed a stronger optical filter on
the reflection photodiode and loaded it on
1kOhms. |
|
|
469
|
Mon May 18 11:33:46 2026 |
Ronic Chiche | Under Process | report | lasers and optics | ThomX igloo | Increasing the FP-cavity power | this morning with Daniele, we set the amplifier
ratio to 33% => 97kW
then, we set the amplifier ratio |
|
|
470
|
Thu May 28 10:31:23 2026 |
Ronic Chiche | Under Process | report | lasers and optics | ThomX igloo | Increasing the FP-cavity power | Last friday, with Daniele, we did some
realignement on the 2nd CVBG of the compressor
: the beam shape seems better, now. |
|
|
471
|
Wed Jun 10 16:16:33 2026 |
Ronic Chiche | Under Process | info | mechanics | lasers and optics | vacuum | ThomX igloo | removing of the M1 mirror | after trying to increase the power and
after moving S3 to try to change the size
of the beam on the mirrors, the FPC power |
|
|
472
|
Thu Jun 11 11:16:55 2026 |
Ronic Chiche | Under Process | info | mechanics | lasers and optics | vacuum | ThomX igloo | removing of the M1 mirror | this morning, with Daniele, we took some
images of the M1 mirror HR surface :
1- large image span of the mirror |
6x |
|
473
|
Thu Jun 11 17:11:02 2026 |
Ronic Chiche | Under Process | info | mechanics | lasers and optics | vacuum | ThomX igloo | removing of the M1 mirror | This afternoon, we installed a new M1 mirror,
the only one for which the box was not already
opened. |
|
|
98
|
Fri Feb 28 09:20:37 2020 |
Ronic Chiche | Not Fixed | issue | lasers and optics | Optical room | Amplifier laser diodes issue | This is a long time issue for the ThomX
amplifier : on the 4 pumping diodes available,
the 1st diode has a higher temperature than |
  |
|
232
|
Wed Aug 2 13:07:59 2023 |
Ronic Chiche | Not Fixed | issue | detectors and electronics | ThomX igloo | ThomX ring injection kicker noise => USB communication issue with Alphanov amplifier | several times already, when the electrons
ring injection kicker is running @10Hz, we
observed peaks at the same frequency on reflected |
|
|
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 |
|
|
3
|
Tue Oct 2 16:23:54 2018 |
Ronic Chiche | Fixed | issue | mechanics | cabling | software | Optical room | test des vérins ISP | * les vérins de 20mm (axe Z) ont
été testés sur table
grace à une rallonge SUB-C - DB9, |
|
|
4
|
Tue Oct 2 18:00:36 2018 |
Ronic Chiche | Fixed | issue | mechanics | cabling | software | Optical room | test des vérins ISP |
|
|
|
5
|
Wed Oct 3 11:28:46 2018 |
Ronic Chiche | Fixed | report | mechanics | cabling | Optical room | test des vérins ISP 20mm et 6mm | Après avoir utilisé la chaine
: driver ISP - cable ISP DB9 - Feedthrough
enceinte DB9-DB9 - cable perlé DB9-SUB-C |
|
|
6
|
Fri Oct 5 10:17:30 2018 |
Ronic Chiche | Fixed | report | mechanics | cabling | Optical room | test des vérins ISP 20mm et 6mm |
|
|
|
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 |
|