| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
271
|
Mon Oct 9 13:11:23 2023 |
Daniele Nutarelli | Fixed | info | lasers and optics | ThomX igloo | Tests of pointing stability of the laser CFP | Last monday with Victor we have cheked
the stability of de pointing of the laser
FP. |
 |
|
272
|
Tue Nov 7 14:09:25 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | Strecher and fiber injection alignment | Today, the power measured at the input
of the amplifier (PD_IN on the LAL amplifier
software) is 2.5mW instead of >3mW generally |
|
|
288
|
Thu Nov 23 12:26:26 2023 |
Ronic Chiche | Fixed | issue | lasers and optics | ThomX igloo | Temperature control of the Laser length with the inside Peltier |
bunker temperature @ 22.5°C
today, Sebastien Pitrel improved |
|
|
300
|
Thu Nov 30 12:33:08 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | FP-cavity inside power sensitivity | this morning I monitored the frequency
shift between the FP-cavity frequency (the
laser is locked on it) and the RF reference |
 |
|
303
|
Thu Dec 7 09:09:27 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | New mirrors batch informations | the 2 files describe the specfications
for the16 mirrors ordered (4 for ThomX
+ spare, 4 for SBOX + spare) and the measurements |
 |
|
305
|
Fri Dec 8 12:21:25 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | Strecher and fiber injection alignment | today, the Alphanov amplifier stopped because
of the too low injected power : ~2.5mW (measured
by the Alphanov software) |
|
|
310
|
Wed Jan 10 15:21:46 2024 |
Ronic Chiche | Under Process | info | lasers and optics | ThomX igloo | Variable focal lens validation | we plan to use Electrically Tunable Lenses
EL-10-30-C NIR to build the ThomX telescope
but they need to be compatible with the powerful |
 |
|
334
|
Tue Apr 2 08:51:21 2024 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | New multiplication factor for the Fabry-Perot intra-cavity power | last week, we measured the transmission
of a plan mirror from the same batch than
the ThomX mirrors and we got ~ 1.75ppm instead |
|
|
343
|
Thu Jun 6 09:17:02 2024 |
Ronic Chiche | Fixed | issue | lasers and optics | ThomX igloo | Alphanov amplifier issue | FYI : to access special menus on the Alphanov
software,
login : "Administrator" |
|
|
345
|
Wed Jun 19 09:14:14 2024 |
Ronic Chiche | Fixed | issue | lasers and optics | ThomX igloo | Alphanov amplifier issue | the present situation is :
Guillaume asked me to disconnect
the "Laser head" cable from the |
|
|
346
|
Mon Jul 22 09:54:24 2024 |
Ronic Chiche | Fixed | issue | lasers and optics | ThomX igloo | Alphanov amplifier issue | Guillaume and Julien Bour from Alphanov
will come on wednesday 24/07 to have a first
look and check the amplifier. |
|
|
347
|
Tue Jul 23 09:37:24 2024 |
Ronic Chiche | Fixed | issue | lasers and optics | ThomX igloo | Alphanov amplifier issue | picture of the connectors used to carry
signals between the amplifier pump module
and the rack under the table. |
 |
|
367
|
Tue Oct 8 11:59:27 2024 |
Fatematuj Johora | Under Process | report | lasers and optics | Optical room | Characterizing Focus Tunable Lens | Yesterday Ronic and I worked on the high
laser power measurements with the Vertical
set-up of the Focus Tunable Lens. We went |
|
|
370
|
Mon Oct 14 10:21:17 2024 |
Ronic Chiche | Fixed | issue | lasers and optics | ThomX igloo | Onefive 33MHz modelock loss | On Friday 11th of October, due to the Yvette
flooding, all the AC power of ThomX have
been shut down. |
|
|
371
|
Tue Oct 15 09:33:15 2024 |
Ronic Chiche | Fixed | issue | lasers and optics | ThomX igloo | Onefive 33MHz modelock loss | This morning, I verified the reason why
the seeder frequency was not displayed on
the amplifier software screen: |
|
|
372
|
Mon Oct 21 09:20:47 2024 |
Ronic Chiche | Fixed | issue | lasers and optics | ThomX igloo | Onefive 33MHz modelock loss | After the new Yvette flooding of the last
week and the consecutive AC-shut down, I
restarted this morning the laser with the |
|
|
373
|
Tue Oct 22 18:52:40 2024 |
Ronic Chiche | Fixed | issue | lasers and optics | ThomX igloo | Onefive 33MHz modelock loss | For the modulation/demodulation generator
for the PDH signal,
after a power shutdown, on can : |
|
|
403
|
Mon Feb 17 12:12:02 2025 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | New power record in ThomX cavity | today, we were able to store more than
93kW in the FP cavity, always with the same
parameter : 33% laser amplifier ratio |
|
|
410
|
Thu Feb 20 12:36:19 2025 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | New power record in ThomX cavity | today, we were able
to store more than 94kW in the FP cavity,
always with the same parameter : 33% laser |
|
|
418
|
Tue Mar 18 11:45:21 2025 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | New power record in ThomX cavity | today, we were able to store more than
95kW in the FP cavity, always with the same
parameter : 33% laser amplifier ratio |
|