| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
184
|
Wed Feb 8 11:25:50 2023 |
Ronic Chiche | Fixed | report | lasers and optics | software | ThomX igloo | Alphanov amplifier beam profile measurement | we have had this new issue (watchdog alarm
switching off the amplifier) for several
days. |
|
|
185
|
Wed Feb 8 14:09:50 2023 |
Ronic Chiche | Fixed | report | lasers and optics | software | ThomX igloo | Alphanov amplifier beam profile measurement | With Daniele after, we took a readings
of the beam with a lens of 750 mm.
From the observed data, we can |
|
|
186
|
Fri Feb 10 09:54:46 2023 |
Ronic Chiche | Fixed | report | lasers and optics | software | ThomX igloo | Alphanov amplifier beam profile measurement | This morning,
- with the "Alphanov"
software => Central panel => "system" |
|
|
187
|
Tue Feb 14 12:53:09 2023 |
Ronic Chiche | Fixed | report | lasers and optics | software | ThomX igloo | Alphanov amplifier beam profile measurement | This morning with Daniele, we did a second
measurement of the beam profile using a different
lens of focal 400 mm. |
|
|
188
|
Wed Feb 22 16:11:32 2023 |
Ronic Chiche | Fixed | report | lasers and optics | software | ThomX igloo | Alphanov amplifier beam profile measurement | On Monday 20th of February, Daniele and
Viktor took some beam profile measurement
data @ 50% of power amplification. |
|
|
189
|
Thu Feb 23 10:15:30 2023 |
Ronic Chiche | Fixed | report | lasers and optics | software | ThomX igloo | Alphanov amplifier beam profile measurement |
Yesterday,
Guillaume Machinet and Vincent Clet from
Alphanov came to fixe some issues with the |
|
|
190
|
Mon Feb 27 18:23:13 2023 |
Ronic Chiche | Fixed | report | lasers and optics | software | ThomX igloo | Alphanov amplifier beam profile measurement | This morning with Victor we took a reading
of the beam profile using a 400 mm lens
at 70 % and 100 % amplification. |
|
|
191
|
Wed Mar 8 14:49:12 2023 |
Ronic Chiche | Fixed | report | lasers and optics | software | ThomX igloo | Alphanov amplifier beam profile measurement | this morning with Manar,
we checked the Alphanov amplifier
issue : "The laser has been stopped |
|
|
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. |
|
|
194
|
Mon Mar 13 16:10:24 2023 |
Ronic Chiche | Fixed | report | lasers and optics | software | ThomX igloo | Alphanov amplifier beam profile measurement | We took reading of the beam profile of
the amplifier without a lens @ 30 cm from
the 2nd wedge for amplification percentages |
|
|
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 |
|
|
202
|
Mon Mar 20 17:55:25 2023 |
Ronic Chiche | Fixed | report | lasers and optics | software | ThomX igloo | Alphanov amplifier beam profile measurement | due to several "case temperature"
issues, I change the "Max case temperature"
in the "general config" of the |
|
|
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. |
|