| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
224
|
Wed Oct 2 10:12:55 2024 |
Ronic Chiche | Under Process | 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 | Under Process | 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 | Under Process | 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 | Under Process | 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 | Under Process | 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 |
|
|
61
|
Tue Jan 5 12:38:04 2021 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Transmission Measurements for the Mirrors. |
Thursday 10 December 2020:
First Test Measurement - Inside Box
The
transmission ( T ) for the mirrors of SBOX |
6x |
|
64
|
Mon Jul 5 14:14:01 2021 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | Optical room | OEwaves CW Laser - Phase Noise |
We started measuring the phase
noise on the OEwaves CW laser.
Class
3b
wavelength 1.5 um
The |
|
|
65
|
Mon Jul 5 14:40:57 2021 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | Optical room | OEwaves CW Laser - Phase Noise | a correction on the wavelength of the laser
it is 1030 um
|
|
|
66
|
Mon Jul 5 14:46:44 2021 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | Optical room | OEwaves CW Laser - Phase Noise | correction on unit 1030 nm
|
|