| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
224
|
Wed Oct 2 10:12:55 2024 |
Ronic Chiche | Fixed | issue | lasers and optics | Optical room | CELIA 100W laser amplifier repair | this morning with Alice, we sent the Menhir
160MHz injected in a fiber (with 6mW at the
end of a long fiber) into the laser amplifier, |
|
|
225
|
Wed Oct 2 18:12:54 2024 |
Ronic Chiche | Fixed | issue | lasers and optics | Optical room | CELIA 100W laser amplifier repair | this afternoon, we saw some electric cables
badly connected to their power supply.
we fixed it by soldering them together |
|
|
228
|
Tue Dec 3 13:51:52 2024 |
Ronic Chiche | Fixed | info | utilities | Optical room | optical table cleaning | this morning with Alice and Daniele, we
removed all the optics elements and equipments
from the SBOX optical table and started to |
|
|
229
|
Fri Dec 6 16:59:57 2024 |
Ronic Chiche | Fixed | info | utilities | Optical room | optical table cleaning | this afternoon, we checked the dust meter
which is at 0 for 1 and 5µm dust particles
but ~ 2000-3000 for 0.3µm particles. |
|
|
230
|
Mon Dec 16 10:20:56 2024 |
Ronic Chiche | Fixed | issue | lasers and optics | Optical room | CELIA 100W laser amplifier repair | friday morning, we add a zoom call with
Jerome Lhermite about the amplifier repair.
he approximately confirmed the amplifier |
|
|
231
|
Tue Mar 4 18:33:26 2025 |
Ronic Chiche | Fixed | info | utilities | Optical room | optical table cleaning | now, it seems the table is clean enough
(dust meter counts 0 particles) to install
a 2 mirrors FP-cavity. |
|
|
232
|
Tue Mar 4 18:51:57 2025 |
Ronic Chiche | Fixed | info | mechanics | lasers and optics | Optical room | Alignment of a 2-mirror FP cavity | today with Alice,
- we measured the height of the
SBOX windows center : 140mm from the optical |
|
|
238
|
Mon Jun 23 14:38:33 2025 |
Ronic Chiche | Fixed | issue | mechanics | lasers and optics | detectors and electronics | Optical room | first attempt to lock | With Alice, we installed the EOWaves oscillator
to be locked on the FP-cavity (T1 ~ 2500ppm,
T2 ~ 10ppm => F ~ 2500) |
|
|
241
|
Thu Sep 4 17:35:50 2025 |
Ronic Chiche | Fixed | info | lasers and optics | detectors and electronics | Optical room | Installation of the avalanche photodiode | After installing the 2nd EOM, we had some
trouble to be able to lock again.
One possible reason was the very low |
|
|
246
|
Wed Aug 5 11:25:41 2026 |
Ronic Chiche | Under Process | info | mechanics | lasers and optics | cabling | Optical room | Neolase amplifier installation | we have all the adaptor plugs for connecting
the chiller.
so, I tested first the chiller connected |
|
|
247
|
Wed Aug 5 12:22:52 2026 |
Ronic Chiche | Under Process | info | mechanics | lasers and optics | cabling | Optical room | Neolase amplifier installation | now, I connected the chiller circuit to
the amplifier, thanks to the adapters.
chiller IN => blue pipe => |
|
|
248
|
Wed Aug 5 13:49:49 2026 |
Ronic Chiche | Under Process | info | mechanics | lasers and optics | cabling | Optical room | Neolase amplifier installation | pipes are maybe too long ?
we can use the Darcy-Weisbach +
Blasius laws (non linear laws). |
|
|
249
|
Thu Aug 6 14:49:32 2026 |
Ronic Chiche | Under Process | info | mechanics | lasers and optics | cabling | Optical room | Neolase amplifier installation | I drained the chiller to install again
the short pipe (< 1m) in closed loop.
then, I filled again the chiller |
|
|
250
|
Thu Aug 6 15:12:49 2026 |
Ronic Chiche | Under Process | info | mechanics | lasers and optics | cabling | Optical room | Neolase amplifier installation | now, I installed the long pipes (2x 3m)
in closed loop (without the amplifier connected),
but the exact ones used to connect the laser, |
|
|
251
|
Fri Aug 7 10:59:52 2026 |
Ronic Chiche | Under Process | info | mechanics | lasers and optics | cabling | Optical room | Neolase amplifier installation | I cut a small part of the black pipe on
the amplifier side (could it be slightly
deformed by a try with an other type of adapter |
|
|
252
|
Fri Aug 7 11:41:17 2026 |
Ronic Chiche | Under Process | info | mechanics | lasers and optics | cabling | Optical room | Neolase amplifier installation | as soon as I connect the amplifier to the
pipes, the flow decreases to 1.7Lpm.
and the filling process is very |
|
|
253
|
Tue Aug 25 09:47:01 2026 |
Ronic Chiche | Under Process | info | mechanics | lasers and optics | cabling | Optical room | Neolase amplifier installation | an email from Neolase/AMS claims that 1.7Lpm
is a normal flow (previous tests at 1.2Lpm
have been done successfully with a reduced |
|
|
254
|
Tue Aug 25 12:09:30 2026 |
Ronic Chiche | Under Process | info | mechanics | lasers and optics | cabling | Optical room | Neolase amplifier installation | I connected the power supplies, laser controller
and laser head together with all the cables...
with no scheme in the manual. |
|
|
255
|
Tue Aug 25 16:27:29 2026 |
Ronic Chiche | Under Process | info | mechanics | lasers and optics | cabling | Optical room | Neolase amplifier installation | I installed 4 steel feets around the amplifier,
with rubber damping absorbers on top, to
put later the oscillator optical breadboard |
|
|
256
|
Wed Aug 26 16:12:13 2026 |
Ronic Chiche | Under Process | info | mechanics | lasers and optics | cabling | Optical room | Neolase amplifier installation | this morning, I tried to restart the controller
but all the temperatures values on the NeoCon
software were stuck to 0°C ! |
|