| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
414
|
Tue Mar 4 14:54:31 2025 |
Ronic Chiche | Fixed | info | mechanics | software | ThomX igloo | New direction for cavity motors | from now on, one reverts the FP cavity
motors direction to compensate the long drift
from the begining of the project. |
|
|
415
|
Wed Mar 5 13:17:26 2025 |
Ronic Chiche | Fixed | info | lasers and optics | detectors and electronics | ThomX igloo | Electrons-Photons phase stability measurement | we installed a measurement at the IP with
the BPM for ion cleaning for electrons and
we used a fast photodiode at the output of |
|
|
416
|
Wed Mar 5 15:08:38 2025 |
Ronic Chiche | Fixed | info | lasers and optics | detectors and electronics | ThomX igloo | Electrons-Photons phase stability measurement | the phase between the 500Mhz ring RF oscillator
and the electrons is measured on a BPM and
is very stable after 2-3ms (<< 6ps, |
|
|
417
|
Tue Mar 18 11:25:07 2025 |
Ronic Chiche | Under Process | report | mechanics | lasers and optics | detectors and electronics | ThomX igloo | day by day run for X-ray production | this morning, the cavity was pretty misaligned
=> basic alignment in y direction helps
a lot => 93kW for 33% amp ratio. |
|
|
418
|
Tue Mar 18 11:45:21 2025 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | New power record in ThomX cavity | today, we were able to store more than
95kW in the FP cavity, always with the same
parameter : 33% laser amplifier ratio |
|
|
419
|
Mon Mar 31 17:12:56 2025 |
Ronic Chiche | Under Process | report | mechanics | lasers and optics | detectors and electronics | ThomX igloo | day by day run for X-ray production | today, the alignment of FP cavity was so
bad that I tuned the 01 mode by error (CEP
and alignment)... insead of the 00 |
|
|
420
|
Mon Mar 31 18:19:30 2025 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | New power record in ThomX cavity | today, we were able
to store more than 97kW in the FP cavity,
always with the same parameter : 33% laser |
|
|
421
|
Tue Apr 29 09:26:08 2025 |
Ronic Chiche | Under Process | report | mechanics | lasers and optics | detectors and electronics | ThomX igloo | day by day run for X-ray production | today, after 1 week of vacation, I was
able to easily lock the cavity with 92kW
with 33% amp ratio without too much optimizations |
|
|
422
|
Fri May 2 10:05:43 2025 |
Ronic Chiche | Under Process | report | lasers and optics | ThomX igloo | air conditionning in ThomX Bunker | The temperature slitly increase in thomx
Bunker from 23° to 24° during the
last day. |
|
|
423
|
Tue May 6 09:29:43 2025 |
Ronic Chiche | Under Process | report | lasers and optics | ThomX igloo | air conditionning in ThomX Bunker | after the new temperature setting for the
bunker air cooling (winter to summer transition),
the temperature drop from 24° to 20°C |
|
|
424
|
Tue May 6 10:58:18 2025 |
Ronic Chiche | Under Process | report | lasers and optics | ThomX igloo | air conditionning in ThomX Bunker | I finally got 93-94kW for 33% amp ratio.
I had to move the FP-cavity length
to compensate the temperature change in the |
|
|
425
|
Wed May 14 09:50:52 2025 |
Ronic Chiche | Under Process | report | mechanics | lasers and optics | detectors and electronics | ThomX igloo | day by day run for X-ray production | Today, I removed the NKT oscillator from
the bunker to put it in the PLIC room.
I locked the FP cavity and obtained |
|
|
426
|
Wed Jun 11 11:35:22 2025 |
Ronic Chiche | Fixed | info | lasers and optics | detectors and electronics | software | ThomX igloo | 33MHz phase adjustment | the 33MHz beating signal (phase) is used
to start and stop automatically the lock
on the 500MHz beating signal. |
|
|
427
|
Wed Jun 11 18:59:34 2025 |
Ronic Chiche | Under Process | issue | mechanics | lasers and optics | vacuum | detectors and electronics | ThomX igloo | Possible causes for the noise in the FP-cavity system | list of possible causes of the high frequency
noise which makes the system loosing the
lock => to be checked. |
|
|
428
|
Wed Jun 25 09:43:36 2025 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | New power record in ThomX cavity | yesterday, we were able to store more than
98kW in the FP cavity, always with the same
parameter : 33% laser amplifier ratio |
|
|
429
|
Wed Jun 25 09:57:56 2025 |
Ronic Chiche | Under Process | issue | mechanics | lasers and optics | vacuum | detectors and electronics | ThomX igloo | Possible causes for the noise in the FP-cavity system | 4.3 - Vibrations of the mirror mounts due
to temperature related to cavity power (the
electrons machine is OFF) |
|
|
430
|
Wed Jun 25 18:48:28 2025 |
Ronic Chiche | Under Process | report | mechanics | lasers and optics | detectors and electronics | ThomX igloo | day by day run for X-ray production | New locking parameters (I got 98kW for
33% amp ratio) :
Axis 18 position : +0009420 |
|
|
431
|
Thu Jun 26 12:37:22 2025 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | Recipies for different FPC power | For ~ 46kW power in the FP-cavity:
Alplhanov amplifier ratio
: 20% |
|
|
432
|
Tue Jul 1 12:13:18 2025 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | Recipies for different FPC power | For ~ 23kW power in the FP-cavity:
Alplhanov amplifier ratio
: 15% |
|
|
433
|
Tue Jul 1 17:31:41 2025 |
Ronic Chiche | Under Process | report | mechanics | lasers and optics | detectors and electronics | ThomX igloo | day by day run for X-ray production | We had a long run without any lock loss
during ~1h with the 23kW recipie in the morning.
during the afternoon, we had some |
|