| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
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 |
|
|
52
|
Wed Jan 29 19:00:02 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Glow discharge cleaner on SBOX mirrors | The glow discharge cleaner has been tested
on the SBOX mirrors.
I've put them 1 by 1. Each |
|
|
53
|
Wed Jan 29 19:04:38 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | SBOX mirrors cleaned | Today, SBOX mirrors have been cleaned with
spin coater on HR face and isoprop on back
face. They show similar spots as before. |
|
|
54
|
Wed Feb 5 14:47:16 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | SBOX mirrors cleaned | Yesterday, after installation and alignment
of mirrors and cavity, the Finesse has been
measured with cavity at air pressure, with |
|
|
55
|
Wed Feb 5 16:46:01 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | SBOX mirrors cleaned | Today we put the cavity to vacuum (~ 0.1
mBar) and we measured again the Finesse with
Koheras and modulation technique. |
|
|
57
|
Thu Feb 6 16:58:57 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Power up to 48kW crater effect again | As we said, after glow discharge and spin
coater we recovered a low power finesse ~23000
(aligning away from the M1 crater). |
|
|
60
|
Wed Dec 16 12:36:37 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Mirror's cleaning and microscope imaging | On 10th of december 2020 we cleaned the
SBOX mirrors and took microscope images
(the name of the images indicates what they |
14x |
|
58
|
Wed Jun 19 18:54:00 2019 |
Huan Wang | Fixed | info | lasers and optics | Optical room | amplifier | Onefive output power is 24mW now, and 2.41mW(after
EOM) injected into fiber,
a injection power monitor |
|
|
59
|
Mon Jun 24 16:15:08 2019 |
Huan Wang | Fixed | info | lasers and optics | Optical room | amplifier | I just had a phone call with Jérome
and he told me 2 things :
* Be carefull ! the MightyLaser |
|
|
121
|
Thu Jul 28 13:52:23 2022 |
Aurélien Martens | Fixed | report | utilities | Optical room | chiller for CELIA amplifier | The chiller of CELIA amplifier has been
moved from the corridor to the changing room
in front of PLIC. |
|
|
122
|
Mon Aug 8 11:11:28 2022 |
Aurélien Martens | Fixed | report | utilities | Optical room | chiller for CELIA amplifier | today, temperature of the chiller has been
set to 23°C.
measured temperature in the chiller |
|
|
226
|
Fri Nov 29 12:06:05 2024 |
Alice Renaux | Fixed | info | lasers and optics | Optical room | Menhir 160MHz laser | The Menhir 160MHz has been put back in
place on the CELIA amplifier setup. Its output
power is measured to be 150-160mW with an |
|
|
227
|
Fri Nov 29 16:50:04 2024 |
Alice Renaux | Under Process | info | lasers and optics | Optical room | Menhir 216MHz laser | The Menhir 216MHz laser has been put back
in place on the cavity table. Its output
power is measured to be 160mW with an attenuator. |
|
|
233
|
Fri Mar 21 18:27:36 2025 |
Alice Renaux | Under Process | report | mechanics | lasers and optics | Optical room | 2-mirror cavity alignment | At the beginning of the week, I installed
a half-wave plate, a beamsplitter cube and
a quarter-wave plate, as well as the end-of-cavity |
|
|
234
|
Tue May 27 18:12:22 2025 |
Alice Renaux | Under Process | report | lasers and optics | Optical room | 2-mirror cavity alignment | Yesterday and today, I replaced the OEWaves
CW laser with the NKT CW laser. Its screen
does not display anything, so it has to be |
|
|
235
|
Wed May 28 10:55:15 2025 |
Alice Renaux | Under Process | report | lasers and optics | Optical room | 2-mirror cavity alignment | The NKT laser PZT sensitivity is ~0.09pm/V
of wavelength variation, which is equivalent
to ~ 25MHz/V |
|
|
236
|
Wed May 28 18:27:27 2025 |
Alice Renaux | Under Process | report | lasers and optics | Optical room | 2-mirror cavity full setup | Today with Ronic, we changed the FP cavity's
mirrors to Layertek (Gamma Factory) mirrors
: |
|
|
237
|
Fri Jun 13 20:10:00 2025 |
Alice Renaux | Fixed | report | lasers and optics | Optical room | Damaged mirrors test | Today with Dorian we tested three mirrors
with which we previously haven't been
able to obtain any resonance or optical beating |
|
|
239
|
Thu Aug 28 15:29:00 2025 |
Alice Renaux | Under Process | report | lasers and optics | Optical room | 2-mirror cavity locking | In June, we encountered some problems regarding
the transmission and error signals (see images
here), |
|
|
240
|
Wed Sep 3 18:10:34 2025 |
Alice Renaux | Under Process | report | lasers and optics | Optical room | Successful lock (finally !) | Today, with Ronic, we managed to get a
successful lock with the NKT laser by setting
up a new PDH box from scratch (photodiode |
|