| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
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 | Fixed | 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 | Fixed | 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 | Fixed | 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 |
|
|
206
|
Thu Mar 28 19:03:55 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Amplifier power and mirror transmission | Today, Ronic, Daniele, Aurélien
and I measured the amplifier power and mirror
transmission. |
|
|
132
|
Fri Aug 19 16:31:11 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Amplifier output Beam Profile | In preparation to measure the output beam
profile from the amplifier at high power,
I have placed two wedge mirrors just before |
|
|
135
|
Mon Aug 22 18:39:13 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Amplifier output Beam Profile | Beam divergence after amplifier 4.46 mrad
|
|
|
194
|
Tue Feb 27 17:51:56 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Amplified laser injection | In the last two days, Ronic and I connected
the amplifier and locked the cavity.
- We installed an iris on the output |
|
|
232
|
Tue Mar 4 18:51:57 2025 |
Ronic Chiche | Fixed | info | mechanics | lasers and optics | Optical room | Alignment of a 2-mirror FP cavity | today with Alice,
- we measured the height of the
SBOX windows center : 140mm from the optical |
|
|
118
|
Fri Jul 22 18:00:21 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | software | Optical room | Alignment / Table setup | The current setup of the optical table
attached.
The cavity is aligned and the lock |
|
|
130
|
Fri Aug 19 16:03:17 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | software | Optical room | Alignment / Table setup | closing series
|
|
|
29
|
Wed Nov 13 13:15:53 2019 |
Loïc Amoudry | Fixed | report | lasers and optics | Other | AFM+ InfraRed spectroscopy (IR spectro) has been performed | AFM+ InfraRed spectroscopy (IR spectro)
has been performed on 400kW S-BOX mirrors.
Seems that XPS made M3 and M4 dirty, |
|
|
27
|
Fri Feb 1 13:45:19 2019 |
Loïc Amoudry | Fixed | report | lasers and optics | Other | AFM performed on S-BOX mirrors | 29/02/19 - AFM has shown that spots
on mirror's surfaces are bumps and not
holes. |
|
|
50
|
Fri Jan 24 17:56:11 2020 |
Loïc Amoudry | Fixed | info | lasers and optics | Optical room | AFM analysis of M2 | We had enough time to proceed a quick scan
of M2 which has also a hole but not centered
on the mirror. |
|
|
49
|
Fri Jan 24 17:52:14 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | AFM analysis of M1 | AFM has been proceeded on M1 and M2.
The pdf shows the first images
taken with the PLIC room Leica microscope |
|