| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
406
|
Tue Feb 18 17:36:25 2025 |
Ronic Chiche | Under Process | info | mechanics | lasers and optics | detectors and electronics | ThomX igloo | correlations between accelerometer and lock losses @ 20Hz | here is the acquisition from 10:30am to
5:30pm
11k point in 7h => 1.57k points |
|
|
407
|
Tue Feb 18 19:33:27 2025 |
Ronic Chiche | Under Process | info | mechanics | lasers and optics | detectors and electronics | ThomX igloo | correlations between accelerometer and lock losses @ 20Hz | here is the same kind of measurement (pk-pk
of 1 sec of acquisition) done on the laser
PZT when the FP is at 90kW. |
|
|
408
|
Wed Feb 19 09:28:12 2025 |
Ronic Chiche | Under Process | info | mechanics | lasers and optics | detectors and electronics | ThomX igloo | correlations between accelerometer and lock losses @ 20Hz | long term pk-pk measurement of the accelerometer
(placed on the optical cavity table, on the
marble part close to the laser oscillator) |
|
|
409
|
Wed Feb 19 10:35:06 2025 |
Ronic Chiche | Under Process | info | mechanics | lasers and optics | detectors and electronics | ThomX igloo | correlations between accelerometer and lock losses @ 20Hz | I installed the accelerometer on the ground
close to one feet of the FP cavity hexapod
(see picture) and restarted the acquisition |
|
|
410
|
Thu Feb 20 12:36:19 2025 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | New power record in ThomX cavity | today, we were able
to store more than 94kW in the FP cavity,
always with the same parameter : 33% laser |
|
|
411
|
Fri Feb 21 10:13:03 2025 |
Ronic Chiche | Under Process | info | mechanics | lasers and optics | detectors and electronics | ThomX igloo | correlations between accelerometer and lock losses @ 20Hz | for this 20Hz oscillation, could it be
a natural resonance of the optical table
placed on its feet ? |
|
|
413
|
Fri Feb 21 19:52:57 2025 |
Ronic Chiche | Fixed | info | mechanics | lasers and optics | detectors and electronics | software | ThomX igloo | Good Xrays production trend | this afternoon, we succeeded to get a quite
long Xray production trend around 15-20 minutes
with a flux above 25k on i1. |
|
|
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, |
|
|
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 |
|
|
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 |
|
|
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. |
|
|
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 |
|
|
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% |
|
|
436
|
Wed Jul 9 14:12:54 2025 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | Recipies for different FPC power |
For ~ 66kW power in the
FP-cavity: |
|
|
437
|
Wed Jul 9 16:27:18 2025 |
Ronic Chiche | Fixed | info | lasers and optics | detectors and electronics | ThomX igloo | optical attenuator added on the diffuser + new PID parameters | Today we did several long runs (~1h each)
at ~23kW, 46kW, 66kW with different PID parameters
which seems better. |
|
|
438
|
Wed Jul 9 17:20:01 2025 |
Ronic Chiche | Fixed | info | lasers and optics | detectors and electronics | ThomX igloo | New recipies with additionnal attenuation before the diffuser | With optical attenuation
only
For ~ 92kW power in the |
|
|
439
|
Wed Jul 9 18:11:59 2025 |
Ronic Chiche | Fixed | info | lasers and optics | detectors and electronics | ThomX igloo | long run to test the appearance of high frequency noise | Today with Daniele, we did 6 long runs
at different power (23kW, 46kW, 66kW, 73kW,
92kW, 92kW) |
|