| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
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 |
|
|
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 |
|
|
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% |
|
|
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% |
|
|
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 |
|
|
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) |
|
|
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 |
|
|
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. |
|
|
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. |
|
|
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 |
|