| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
45
|
Thu Dec 19 16:23:39 2019 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Cavity beam axis moving with power | how the cavity beam axis is moving during
a lock when the cavity is hot ?
could it explain a part of the Transmission |
9x |
|
95
|
Wed Jun 8 11:10:17 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | software | Optical room | Cavity Lock | Start with the cavity lock images attached,
taken from last week, at
start we have a coupling ~ 5% and started |
|
|
97
|
Wed Jun 8 11:31:47 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | software | Optical room | Cavity Lock | Current setup at SBox for locking the cavity
After spacial matching, the coupling
increased to ~ 15 - 20 % |
|
|
98
|
Thu Jun 9 19:59:42 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | software | Optical room | Cavity Lock | Cavity locked today under vacuum and no
airflow, it is stable over a long time
the alignment was improved and |
|
|
101
|
Wed Jul 6 18:34:12 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | software | Optical room | Cavity Lock | Closing the series for the setup
The cavity was only locked @ 133.33
MHz but the Finesse was not measured |
|
|
119
|
Fri Jul 22 18:19:13 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | software | Optical room | CVBG stretching / Fiber Injection | Before injecting into the amplifier, the
pulse needs to be stretched using a CVBG,
type attached. |
7x |
|
131
|
Fri Aug 19 16:03:40 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | software | Optical room | CVBG stretching / Fiber Injection | closing series
|
|
|
51
|
Fri Jan 24 17:58:45 2020 |
Loïc Amoudry | Fixed | info | lasers and optics | Optical room | CFBG removed from ThomX CELIA amplifier | The CFBG has been removed successfully
and the amplifier is closed now.
The soldering machine had a calibration |
|
|
116
|
Fri Jul 22 17:07:32 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | software | Optical room | CELIA amplifier installation + chiller | Amplifier placed next to the pulsed laser
on the table under the airflow
The output is in free space with |
|
|
120
|
Fri Jul 22 18:25:31 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | software | Optical room | CELIA amplifier installation + chiller | The software to control the CELIA amplifier
is on the laptop that was placed in ThomX
bunker. |
|
|
129
|
Fri Aug 19 16:02:33 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | software | Optical room | CELIA amplifier installation + chiller | Closing series
|
|
|
115
|
Tue Jul 12 19:07:50 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | software | Optical room | CELIA amplifier installation | The amplifier was installed on the optical
table next to SBox table.
The CVBG that will be used for |
|
|
224
|
Wed Oct 2 10:12:55 2024 |
Ronic Chiche | Under Process | issue | lasers and optics | Optical room | CELIA 100W laser amplifier repair | this morning with Alice, we sent the Menhir
160MHz injected in a fiber (with 6mW at the
end of a long fiber) into the laser amplifier, |
|
|
225
|
Wed Oct 2 18:12:54 2024 |
Ronic Chiche | Under Process | issue | lasers and optics | Optical room | CELIA 100W laser amplifier repair | this afternoon, we saw some electric cables
badly connected to their power supply.
we fixed it by soldering them together |
|
|
230
|
Mon Dec 16 10:20:56 2024 |
Ronic Chiche | Under Process | issue | lasers and optics | Optical room | CELIA 100W laser amplifier repair | friday morning, we add a zoom call with
Jerome Lhermite about the amplifier repair.
he approximately confirmed the amplifier |
|
|
9
|
Fri Oct 19 11:23:27 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Beam size vs D-shape position | Measurement done on 18/10/18.
At high power, the shape of the
0.0 mode does not change. The D-shape only |
|
|
10
|
Fri Oct 19 11:46:21 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Beam size vs D-shape position | Matlab code for size vs position and power
:
clear all |
|
|
37
|
Tue Dec 17 10:46:24 2019 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Beam size behind M2 | Beam diameter behind M2 :
- 2nd stage @ 6A - 1kW inside cavity
sx = 2120 µm |
|
|
41
|
Tue Dec 17 17:58:12 2019 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Beam size behind M2 | the telescope matchs the cold cavity beam,
so it is normal to have a power decrease
on the transmission photodiode when the cavity |
|
|
44
|
Thu Dec 19 16:03:17 2019 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Beam size behind M2 | Yesterday, we tried to better adapt positions
of the telescope lenses, dynamically, during
the lock, to improve the matching between |
|