| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
155
|
Fri Sep 9 15:47:46 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Power storage In Cavity | At transmission power of 42 mW, coupling
60%, we see fundamental mode with a degeneracy
The D-shape motors were moved to |
|
|
158
|
Mon Sep 12 16:27:14 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Power storage In Cavity | Power increased in the amplifier
reflective filters added at the
transmission point to be able to have signal |
|
|
159
|
Mon Sep 12 17:00:35 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Power storage In Cavity | at max stage we reached at 2.5
A on the diodes we have
8000 gain , coupling ~ |
|
|
164
|
Wed Sep 14 16:16:08 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Power storage In Cavity | The cavity was locked under vacuum, coupling
is approximately < 10%
The lock was relatively easy and |
|
|
165
|
Wed Sep 14 17:21:59 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Power storage In Cavity | We improved the lock using the alignment,
polarization and CEP , the maximum we got
was ~ 12% coupling |
|
|
11
|
Wed Oct 31 11:27:49 2018 |
Loïc Amoudry | Fixed | report | mechanics | lasers and optics | Optical room | Power measurement with D-shape | Measurements of lot of points with D-shape
mirrors well positionned.
Power not optimized to the best |
|
|
5
|
Tue Oct 9 10:15:17 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Polarization optimization | Optimization of the polarization has been
made the 03/10/18. Checked in reflection
of the cavity in reflection&transmission |
|
|
202
|
Thu Mar 21 17:32:59 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Polarization issue & 50kW with 22W injection | Today, Ronic and I lock the cavity on the
other polarization and achieved 50kW with
22W injection. |
|
|
200
|
Wed Mar 20 18:22:53 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Polarization issue | These days, Ronic, Aurélien, Fatematuj
and I have been doing some tests on polarization
issue, trying to see if it is possible to |
|
|
201
|
Thu Mar 21 09:26:50 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Polarization issue | just to add some details
:
about the S and P polarization |
|
|
13
|
Wed Oct 31 13:42:22 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Polarization frequency | Check of the frequency of the onefive locked
on each polarization of the cavity (tilt
a waveplate by 45°). |
|
|
14
|
Wed Oct 31 13:43:03 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Polarization frequency | Measurement on 30/10/18.
|
|
|
2
|
Mon Oct 1 11:30:39 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Phase measurement with HASO | 2 measurement.
First one locked, in transmission
of M2 with 2nd stage 0A.Total 89 cm from |
|
|
3
|
Mon Oct 1 14:27:35 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Phase measurement with HASO | * Loic has to fix the number of files (3)
regarding the number of measurements (2)
* splitted Intensity and phase |
8x |
|
4
|
Mon Oct 1 15:19:48 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Phase measurement with HASO | with just intensity, the coupling is 98%,
and with phase, x direction coupling is 95%,
y direction 97%, so the telescope is good. |
|
|
63
|
Thu Jun 10 17:55:15 2021 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Origami SN2440 133MHz laser tests | Today, we received the Origami SN2440 133MHz
oscillator from repair (NKT mentioned a defective
wire inside the controller....) |
|
|
62
|
Tue Jan 12 10:44:57 2021 |
Ronic Chiche | Fixed | issue | lasers and optics | Optical room | Origami SN2440 133MHz laser power measurment... and failure | we received from NKT the Origami SN2440
133MHz oscillator from repair on 2020/12/17
and we measured the power trend from |
|
|
39
|
Tue Dec 17 12:16:54 2019 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Optical amplifier polarization state | We placed a PBS + 2 photodiodes (PhD1,
PhD2) at the output of the amplifier to check
how the polarization of the amplifier changes |
|
|
40
|
Tue Dec 17 17:54:38 2019 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Optical amplifier polarization state | The
polarimeter was giving a strange 50% of DOP
of the light coming from the cavity. |
|
|
42
|
Thu Dec 19 09:21:45 2019 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Optical amplifier polarization state | polarization state of the cavity at higher
power : 20kW, 30kW and 33kW (slight
CEP and alignment optimization) : |
|