| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
435
|
Tue Jul 8 18:48:51 2025 |
Ronic Chiche | Under Process | report | mechanics | lasers and optics | detectors and electronics | ThomX igloo | day by day run for X-ray production | long run today at relatively
nominal power (~90kW) with double loop
(FPC + RF) between 13:30am and 6:30pm |
|
|
461
|
Mon Dec 1 18:03:29 2025 |
Ronic Chiche | Fixed | report | lasers and optics | detectors and electronics | ThomX igloo | Noise issue | since several days, we see that the locking
is more and more unstable and the lock duration
was sometime less than 20-30 seconds ! |
|
|
462
|
Wed Dec 3 16:23:40 2025 |
Ronic Chiche | Fixed | report | lasers and optics | detectors and electronics | ThomX igloo | Noise issue | yesterday, in the same conditions, we had
so many locking issues... exactly
in the same way than before. :-( |
|
|
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. |
|
|
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 |
|
|
|
19
|
Tue Mar 19 17:01:52 2019 |
Loïc Amoudry | Fixed | issue | mechanics | Optical room | Motors Z axis reversed | S2 and S3 z-axis are initially at 1/4 (5mm/20mm) of
there range over ~20mm range. This is meant
to be able to spread them up to ~15mm in |
|
|
23
|
Thu Mar 28 09:25:58 2019 |
Loïc Amoudry | Fixed | issue | mechanics | Optical room | Motors Z axis reversed | All Z motors (for P1, S2, S3 and P4) have
been initialized again with a proper HOME
command with their own controller with |
|
|
24
|
Fri Mar 29 18:33:15 2019 |
Ronic Chiche | Fixed | issue | mechanics | lasers and optics | Optical room | Alignment procedure | we did again the complete alignment procedure
starting with iris and optimizing injection
motors Ma and Mb, then installing mirror |
|
|
35
|
Thu Apr 18 16:17:53 2019 |
Loïc Amoudry | Fixed | issue | lasers and optics | Optical room | 33MHz Onefive power overtime decrease | Power of the 33MHz Onfive decreases over
time. Have to pay attention to that.
Note that air dryers have never been |
|
|
47
|
Thu Jul 4 18:28:55 2019 |
Loïc Amoudry | Fixed | issue | lasers and optics | Optical room | Onefive 33MHz unmodelocked | Oscillator randomly unmodelocked on 3rd
july afternoon (during oscillator power
measurement, maybe a reflection from the |
|
|
52
|
Fri Aug 30 17:52:41 2019 |
Ronic Chiche | Fixed | issue | mechanics | detectors and electronics | Optical room | Motor issue | Today, Axis 9 (Z-axis of P1) has blocked
the software which drives all the motors.
impossible to bypass the problem. |
|
|
53
|
Tue Sep 3 17:51:04 2019 |
Ronic Chiche | Fixed | issue | mechanics | lasers and optics | vacuum | Optical room | Vessel cleanliness | looking in the vessel of the FP cavity
using a UV lamp shows a lot of dust... more
dust than outside the cavity !!! |
|
|
59
|
Wed Sep 25 15:49:28 2019 |
Ronic Chiche | Fixed | issue | mechanics | detectors and electronics | Optical room | Motor issue | Today again, same problem with axis 9 blocking
the controlling software during the mirror
alignment procedure. |
|
|
66
|
Thu Oct 3 14:00:13 2019 |
Loïc Amoudry | Fixed | issue | cabling | Optical room | Electrical trouble (disjunction) | The circuit breaker on ThomX cavity drops
@1.5-1.8kW when we turn on 1/2nd
stage of the amplifier or 3rd stage of the |
|