| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
166
|
Mon Oct 24 17:35:01 2022 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | Strecher and fiber injection alignment | Manar + Victor, today in the morning we
aligned the CVBG of the stretcher.
The double path using the mirror |
|
|
167
|
Wed Nov 2 11:42:43 2022 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | Strecher and fiber injection alignment | This morning with Manar, we continued the
strecher CVBG alignment and fiber injection
procedure : |
|
|
168
|
Thu Nov 3 09:09:18 2022 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | Strecher and fiber injection alignment | this morning : still 6.2 mW at the output
of the fiber.
the powermeter has been removed |
|
|
169
|
Wed Nov 9 11:34:54 2022 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | Strecher and fiber injection alignment | Monday 7/11 morning, the power in the fiber
was still 6.2 mW
|
|
|
175
|
Mon Jan 2 15:21:09 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | Alphanov amplifier beam profile measurement | today with Manar, we brought everything
to make the profile measurement.
the chiller was in error |
|
|
176
|
Thu Jan 5 09:58:50 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | Alphanov amplifier beam profile measurement | yesterday morning with Manar,
1) we fixed the threshold level
of the laser input signal which makes the |
|
|
177
|
Mon Jan 9 12:11:14 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | Alphanov amplifier beam profile measurement | this morning with Manar,
- we checked first the chiller
problem. |
|
|
179
|
Wed Jan 11 17:31:00 2023 |
Ronic Chiche | Fixed | info | lasers and optics | software | ThomX igloo | Alphanov amplifier beam profile measurement | Today with
Ronic
For |
|
|
180
|
Wed Jan 11 17:38:13 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | Alphanov amplifier beam profile measurement | this morning with Manar,
- we fixed the chiller problem
(+/-2°C fluctuation around the set temperature |
|
|
192
|
Wed Mar 8 15:11:49 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | CW laser installation and cleaning | This morning with Manar, in order to prepare
the installation of the news FP cavity mirrors,
- we installed the Koheras below |
|
|
193
|
Mon Mar 13 14:02:59 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | CW laser installation and cleaning | This morning with Ronic , in preparation
for the mirror installation, we removed additional
mechanics and cables from the table. |
|
|
199
|
Mon Mar 20 09:33:54 2023 |
Ronic Chiche | Fixed | info | utilities | ThomX igloo | Power shut down on Saturday the 18th | All the equipments have been switched off
on Friday 17th due to a power shut down on
Saturday 18th : |
|
|
200
|
Mon Mar 20 17:23:09 2023 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | 33MHz laser SN2439 back to Orsay | As the general local network for the FP-cavity
devices is 192.168.xxx.xxx, I changed the
IP adress of the smaract laser motors (Frep |
|
|
201
|
Mon Mar 20 17:39:28 2023 |
Ronic Chiche | Fixed | info | utilities | ThomX igloo | Power shut down on Saturday the 18th | Today, I restarted all the equipements
:
Chiller |
|
|
213
|
Thu Jun 1 10:31:45 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | 33MHz oscillator + Alphanov amplifier lock | the last tries to lock the 33MHz + amplifier
to the 30k Finesse FP-cavity were unsuccessful.
during a laser Frep scan using |
|
|
214
|
Thu Jun 1 18:15:04 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | 33MHz oscillator + Alphanov amplifier lock | finding the right modulation/demodulation
PDH phase is very difficult on the main resonance
because the we get non stationnary signals |
|
|
217
|
Tue Jun 6 15:52:59 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | 33MHz oscillator + Alphanov amplifier lock | today with Daniele, we locked easily (but
with a noisy lock) on the secundary resonance
and we tried to lock on the main resonance |
|
|
219
|
Thu Jun 8 11:12:20 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | 33MHz oscillator + Alphanov amplifier lock | After removing the 2 generators from the
optical table, the lock is much more stable
and now, it is possible to lock on the main |
|
|
222
|
Tue Jun 20 18:45:10 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | 33MHz oscillator + Alphanov amplifier lock | this morning, I tested the laser+amplifier
@ 30% lock on the FP cavity with and without
Smaract motors. |
|
|
223
|
Tue Jun 20 19:08:17 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | 33MHz oscillator + Alphanov amplifier lock | I checked with the Matlab code below the
CEP detuning effect (2nm sech² spectrum...
not exactly the same as in ThomX) |
|