| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
99
|
Fri Feb 28 17:44:12 2020 |
Ronic Chiche | Fixed | report | lasers and optics | Optical room | Pointing stability with CVBG | Yesterday, with Titouan, we made some measurements
on pointing stability of the laser beam after
amplifier and CVBG. |
|
|
64
|
Thu Oct 3 13:49:58 2019 |
Loïc Amoudry | Fixed | info | mechanics | Optical room | Pneumatic valves | Frederic and Manu from vacuum group came
this morning to fix again the pneumatic valves
which had a leak again. |
|
|
83
|
Tue Nov 26 16:21:27 2019 |
Loïc Amoudry | Fixed | issue | vacuum | Optical room | Pneumatic valves | The pneumatic valves are now plugged on
the university air network.
The air valve is fully openned for |
|
|
208
|
Thu Apr 13 17:48:49 2023 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | ThomX igloo | PW laser Injection into cavity | Yesterday,
we installed the second
high power reflecting mirrors at the output |
|
|
209
|
Wed Apr 19 16:39:28 2023 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | ThomX igloo | PW laser Injection into cavity |
On Monday with Daniele,
we
did full characterization of amplifier beam
@ 10% amplification, adjusted the telescope |
|
|
210
|
Wed Apr 19 16:41:46 2023 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | ThomX igloo | PW laser Injection into cavity | Added Note: the coupling we get is at low
power, only preamplifier is on (~ 300 mW)
was done at the end due to excitation |
|
|
211
|
Mon May 22 16:07:12 2023 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | ThomX igloo | PW laser Injection into cavity | Today with Ronic and Daniele we attempted
to lock the cavity, but the alphanov amplifier
did not turn on because of an error in MMD3 |
|
|
32
|
Mon Apr 8 11:55:40 2019 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | P4 cleaned and finesse measurement | P4 cleaned with isopropanol.
Finesse measured afterward: ~=13
000 (clear increase) |
|
|
365
|
Tue Sep 17 13:04:32 2024 |
Ronic Chiche | Under Process | info | lasers and optics | software | ThomX igloo | Optimizing lock parameters for stable X-ray production | here are the (good) lock parameters used
this morning.
for the RF/FPC lock, the 33MHz |
|
|
366
|
Thu Oct 3 16:38:03 2024 |
Ronic Chiche | Under Process | info | lasers and optics | software | ThomX igloo | Optimizing lock parameters for stable X-ray production | Today with Daniele and Alice, we operated
to cavity.
we obtained 84kW for 33% of amplifier |
|
|
368
|
Wed Oct 9 09:56:21 2024 |
Ronic Chiche | Under Process | info | lasers and optics | software | ThomX igloo | Optimizing lock parameters for stable X-ray production | This morning, I wanted to test quickly
if the Smaract motors can be used in open
loop instead of closed loop or in piezo scan. |
|
|
369
|
Wed Oct 9 18:39:34 2024 |
Ronic Chiche | Under Process | info | lasers and optics | software | ThomX igloo | Optimizing lock parameters for stable X-ray production | This afternoon, we scanned the optical
table vertically with the hexapod in asynchronous
mode to find its optimum position, looking |
|
|
374
|
Tue Oct 22 18:58:56 2024 |
Ronic Chiche | Under Process | info | lasers and optics | software | ThomX igloo | Optimizing lock parameters for stable X-ray production | Today, after setting the locking parameters,
I got 80kW in the FPC for 33% amplifier ratio
after CEP tuning (Smaract CH2 ~ -423.5µm) |
|
|
375
|
Wed Oct 23 12:23:10 2024 |
Ronic Chiche | Under Process | info | lasers and optics | software | ThomX igloo | Optimizing lock parameters for stable X-ray production | this morning, I did some walking procedure
and I got 82kW in the FPC with 33% amplifier
ratio (after CEP optimization too). |
|
|
376
|
Fri Nov 8 15:23:11 2024 |
Ronic Chiche | Under Process | info | lasers and optics | software | ThomX igloo | Optimizing lock parameters for stable X-ray production | this morning, I did some walking procedure
and CEP alignment to get ~80kW in the FPC
with 33% amplifier ratio. |
|
|
377
|
Tue Nov 19 17:37:55 2024 |
Ronic Chiche | Under Process | info | lasers and optics | software | ThomX igloo | Optimizing lock parameters for stable X-ray production | the RF frequency is now 500.1003MHz which
is equivalent (if divided by 15) to 33.34002MHz.
the frequency has to be changed |
|
|
97
|
Wed Feb 26 16:48:02 2020 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Optical spectrum before and after CVBG | Measurement of the optical spectrum with
Avantes OSA before (1st picture) and after
CVBG (2nd picture) with 2nd stage on the |
|
|
95
|
Wed Feb 26 10:38:37 2020 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Optical spectrum analyzer resolution | The Koheras @0.5mW is directly connected
with fibers FC/APC -> FC/PC to the Avantes
optical spectrum analyzer. |
|
|
96
|
Wed Feb 26 11:05:09 2020 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Optical spectrum analyzer resolution | Same measurement with Koheras @100mW and
using fiber coupling lenses between Koheras
and Avantes OSA. |
|
|
71
|
Wed Oct 9 11:41:11 2019 |
Loïc Amoudry | Fixed | info | lasers and optics | Optical room | Onefive spectrum and CVBG spectrum | The Onefive spectrum has shifted a little
bit to lower lambda. It's still enough
for the experiment (3mW injection of ampli |
|