| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
453
|
Thu Sep 18 18:29:04 2025 |
Ronic Chiche | Fixed | info | mechanics | lasers and optics | vacuum | detectors and electronics | cabling | software | utilities | ThomX igloo | Power shut down on September 23th | to anticipate the power shut down on next
tuesday 23/09,
this afternoon, I switched off all |
|
|
452
|
Tue Sep 16 17:41:28 2025 |
Ronic Chiche | Fixed | info | mechanics | lasers and optics | detectors and electronics | ThomX igloo | Accelerometer measurement | with Daniele, we placed the accelerometer
on top of the fiber amplifier box which is
inside the housing. |
|
|
451
|
Tue Sep 16 12:32:52 2025 |
Ronic Chiche | Fixed | info | lasers and optics | detectors and electronics | ThomX igloo | polarization measurement of the FP cavity beam | today, with Daniele, we did a simple polarization
measurement in transmission of the FP cavity
beam. |
|
|
450
|
Thu Aug 28 18:01:46 2025 |
Ronic Chiche | Fixed | info | detectors and electronics | ThomX igloo | Power shut down on August 29th | after alignment, CEP adjustment and optimizing
the PDH phase, I got back ~92kW in the FPC
for 33% amplifier ratio. |
|
|
449
|
Wed Aug 27 12:01:41 2025 |
Ronic Chiche | Fixed | info | detectors and electronics | ThomX igloo | Power shut down on August 29th | This morning, all the equipments have been
switched off due to a power shut down
tomorrow morning. |
|
|
448
|
Thu Aug 7 11:14:47 2025 |
Ronic Chiche | Fixed | info | lasers and optics | detectors and electronics | ThomX igloo | Alignment correction during the summer break | I restarted the FPC system this morning.
after some classic alignement procedure
(some LEFT steps on the cavity injection |
|
|
447
|
Fri Jul 18 15:56:40 2025 |
Ronic Chiche | Under Process | info | lasers and optics | ThomX igloo | laser operation again with machine OFF | The laser start at 33% with 92 KW optimized
and
P=0.03 |
|
|
446
|
Fri Jul 18 09:23:40 2025 |
Ronic Chiche | Under Process | info | lasers and optics | ThomX igloo | Xrays experiment with prostate | Today we do XRays for experiment.
The laser start to 33% at 93 KW
but Pgain = 0.033 |
|
|
445
|
Wed Jul 16 17:17:57 2025 |
Ronic Chiche | Under Process | info | lasers and optics | ThomX igloo | Suite tests stabilité | We continue to find what gives high freq.
perturbation.
The laser starts at 92 KW it is |
|
|
444
|
Tue Jul 15 17:34:13 2025 |
Ronic Chiche | Under Process | info | lasers and optics | ThomX igloo | Stability test Without and with | The laser starts at 93 KW.
This morning I operated the laser
locked with the RF for 1h30 without any delock. |
|
|
443
|
Fri Jul 11 16:15:12 2025 |
Ronic Chiche | Fixed | info | lasers and optics | detectors and electronics | ThomX igloo | Tuning of the slow feeback loop analog BW + fast feedback loop gain + PID | Today with Daniele, we tuned the potentiometer
after the Laselock which drives the analog
BW of the PID on the laser PZT, |
|
|
442
|
Thu Jul 10 18:33:48 2025 |
Ronic Chiche | Fixed | info | lasers and optics | detectors and electronics | ThomX igloo | New recipies with additionnal attenuation before the diffuser and new x3 amplifier on laser PZT | With optical attenuation + x3 amplifier
on laser PZT channel + feedback tuning
Temporary recipie |
|
|
441
|
Thu Jul 10 18:02:54 2025 |
Ronic Chiche | Fixed | info | detectors and electronics | ThomX igloo | laser PZT amplifier | this afternoon, I added the Gain = 2.8
amplifier at the output of the Laselock to
drive the laser PZT. |
|
|
440
|
Thu Jul 10 15:44:43 2025 |
Ronic Chiche | Fixed | info | lasers and optics | detectors and electronics | ThomX igloo | long run to test the appearance of high frequency noise | today, long run directly at full power
(33% amplifier ratio) => 98kW in the FPC
at the very begining of the run. |
|
|
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) |
|
|
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 |
|
|
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. |
|
|
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: |
|
|
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 |
|
|
434
|
Tue Jul 8 18:45:17 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 yesterday at relatively low power
(~23kW) with double loop (FPC + RF) between
10am and 6pm |
|