| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
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 |
|
|
40
|
Tue Jun 11 18:03:10 2019 |
Loïc Amoudry | Fixed | report | mechanics | lasers and optics | Other | Amplifier mission Bordeaux | Voyage Bordeaux au CELIA avec Jérôme
LHERMITE (Loïc et Titoutan)
1er jour (34°) : |
|
|
41
|
Wed Jun 12 12:07:11 2019 |
Loïc Amoudry | Fixed | report | mechanics | lasers and optics | Other | Amplifier mission Bordeaux | M² mesuré à 10W.
M²x = 1.17
M²y = 1.14 |
|
|
49
|
Mon Jul 29 17:15:35 2019 |
Loïc Amoudry | Fixed | info | mechanics | lasers and optics | Optical room | Spin coater air supply removed and front panel changed | Spin coater firstly needed vacuum and air
supply. The air supply being useless for
our experiments, it has been disabled. |
|
|
58
|
Thu Sep 12 16:19:26 2019 |
Loïc Amoudry | Fixed | report | mechanics | lasers and optics | Optical room | Cavity dust source check | Several experiments have been done in order
to check the potential source of dust in
the ThomX cavity. For each step, we look |
|
|
111
|
Thu Jan 13 17:08:56 2022 |
Ronic Chiche | Fixed | issue | mechanics | lasers and optics | Optical room | Alignment procedure | Picture of the installed mirrors inside
the FP cavity.
To install an Iris instead of a |
|
|
269
|
Thu Sep 21 18:56:56 2023 |
Ronic Chiche | Fixed | issue | mechanics | lasers and optics | ThomX igloo | !!! strange amplifier beam pointing fluctuations !!! | this morning, I locked the cavity to ~25kW
without any problem.
but this afternoon, the reflected |
|
|
273
|
Wed Nov 8 17:51:30 2023 |
Ronic Chiche | Fixed | issue | mechanics | lasers and optics | ThomX igloo | !!! strange amplifier beam pointing fluctuations !!! | we confirmed the effect of the bunker temperature
on the laser amplifier "beam pointing"
fluctuations. |
|
|
278
|
Fri Nov 10 09:51:22 2023 |
Ronic Chiche | Fixed | report | mechanics | lasers and optics | ThomX igloo | M4 motor using icepap controller and jive/Atkpanel IHM | Kevin moved the M4 mirror controller from
the ISP controller to some ICEPAP controller.
the IHM to access this ICEPAP controller |
|
|
282
|
Tue Nov 14 11:33:45 2023 |
Ronic Chiche | Fixed | report | mechanics | lasers and optics | ThomX igloo | M4 motor using icepap controller and jive/Atkpanel IHM | one problem is the FP-cavity/laser lock
loss when one moves a FP-cavity motor.
with acceleration = 0.01 units/s² |
|
|
289
|
Fri Nov 24 12:56:39 2023 |
Ronic Chiche | Fixed | info | mechanics | lasers and optics | ThomX igloo | Laser cavity temperature/pressure sensitivity | laser cavity :
when one decreases the laser motor
position, the laser repetition rate |
|
|
290
|
Fri Nov 24 18:16:37 2023 |
Ronic Chiche | Fixed | info | mechanics | lasers and optics | ThomX igloo | Laser cavity temperature/pressure sensitivity | Now, I placed a temperature probe stuck on
the laser housing itself.
fig. 1 |
|
|
291
|
Fri Nov 24 18:47:25 2023 |
Ronic Chiche | Fixed | info | mechanics | lasers and optics | ThomX igloo | Laser cavity temperature/pressure sensitivity | the last thing we did with Daniele, is
to start/stop the airflow on top of the housing
(closed) to see a possible pressure effect |
|
|
292
|
Tue Nov 28 10:24:47 2023 |
Ronic Chiche | Fixed | info | mechanics | lasers and optics | ThomX igloo | Laser cavity temperature/pressure sensitivity | today, I swapped the 500MHz RF reference
oscillator for a Siglent 500MHz DDS oscillator.
see the attached plot : the |
|
|
296
|
Wed Nov 29 09:35:10 2023 |
Ronic Chiche | Fixed | info | mechanics | lasers and optics | ThomX igloo | Laser cavity temperature/pressure sensitivity | long-term correlation, over 5-6 days, between
the temperature measured in the bunker, outside
of the housing (blue curve) and the temperature |
|
|
322
|
Fri Feb 2 11:53:40 2024 |
Ronic Chiche | Fixed | info | mechanics | lasers and optics | ThomX igloo | Laser cavity temperature/pressure sensitivity | this morning, I did a 500MHz beating frequency
(Laser vs RF) drift test with the Smaract
motors configured with "Sensor Mode" |
|
|
329
|
Mon Mar 4 12:39:56 2024 |
Ronic Chiche | Fixed | info | mechanics | lasers and optics | ThomX igloo | Laser and FP cavities frequency adjustment | at the beginning of the procedure, the
frequency gap between the new Ring 33MHz
frequency (33.3378MHz) and the laser/FP cavities |
|
|
330
|
Mon Mar 4 18:32:21 2024 |
Ronic Chiche | Fixed | info | mechanics | lasers and optics | ThomX igloo | Laser and FP cavities frequency adjustment | This afternoon, I did the 2nd half of the
travel: dF @ 33MHz = 0Hz
=> the Smaract motor position is |
|
|
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. |
|
|
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. |
|