| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
99
|
Tue Jun 21 23:52:28 2022 |
Manar Amer | Fixed | report | mechanics | lasers and optics | detectors and electronics | Optical room | Menhir Pulsed Laser | The SBox Length (FSR), was changed to match
the repetition rate of the Menhir
pulsed laser Frep = 216.6625 MHz |
|
|
227
|
Fri Nov 29 16:50:04 2024 |
Alice Renaux | Under Process | info | lasers and optics | Optical room | Menhir 216MHz laser | The Menhir 216MHz laser has been put back
in place on the cavity table. Its output
power is measured to be 160mW with an attenuator. |
|
|
226
|
Fri Nov 29 12:06:05 2024 |
Alice Renaux | Fixed | info | lasers and optics | Optical room | Menhir 160MHz laser | The Menhir 160MHz has been put back in
place on the CELIA amplifier setup. Its output
power is measured to be 150-160mW with an |
|
|
28
|
Fri Feb 1 14:04:27 2019 |
Loïc Amoudry | Fixed | info | lasers and optics | Other | Meeting with LMA people, AFM | 30/01/19 - The following powerpoint
shows the results discussed with LMA people.
What came out from the discussion |
|
|
19
|
Wed Oct 31 14:03:22 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | M4 transmission measurement | The kept transmission for M4 is
2.17 ppm. Which is the value
measured after alignement (center of the |
|
|
20
|
Wed Oct 31 14:04:50 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | M4 transmission measurement |
Loïc |
|
|
172
|
Wed Sep 28 18:43:51 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | M2 ThomX spherical Cleaning | Today, M2 Spherical-3 from ThomX that was
installed inside the SBox was removed, there
was one big dust on the surface of the mirror, |
6x |
|
17
|
Wed Oct 31 13:48:58 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | M1 transmission measurement | Center of M1:
I |
|
|
21
|
Wed Oct 31 14:06:17 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | M1 transmission measurement | At different positions, transmission give
194, 193, 208, 200 ppm?
|
|
|
168
|
Tue Sep 20 12:50:40 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | M1 ThomX used while shifted from damaged spot | Yesterday , we locked the cavity and we
see a sign of a high finesse on the transmission
signal, but no measurement of Finesse was |
|
|
169
|
Wed Sep 21 12:10:07 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | M1 ThomX used while shifted from damaged spot | To compare between the 2 images of the
cavity mode:
the mode by itself has |
|
|
170
|
Mon Sep 26 16:15:06 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | M1 ThomX used while shifted from damaged spot | On Wednesday 21st , I opened the cavity
did an additional 2 mm shift of the injection
mirror and put it under vacuum again. |
|
|
171
|
Tue Sep 27 19:30:49 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | M1 Gamma Factory | In the morning, Vacuum broken and rotated
M1 ThomX 90 degrees clockwise, locked the
cavity in air and we observe a degeneracy |
|
|
146
|
Wed Sep 7 18:58:03 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Locking Amplifier with Cavity | Today we managed to observe the fundamental
mode and stabilize the scan on it until we
improved the alignment enough. |
|
|
147
|
Thu Sep 8 11:16:40 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Locking Amplifier with Cavity | Today, we played on the CEP but using the
I-tune input of the Menhir Laser (+/- 5V
maximal range). |
|
|
148
|
Thu Sep 8 13:39:03 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Locking Amplifier with Cavity | We played on the CEP using the USB command
"id0=xxxxx" of the Menhir.
we put id0=48650 and we improved |
|
|
149
|
Thu Sep 8 14:58:51 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Locking Amplifier with Cavity | We managed to lock the cavity by adding
the AOM , but the lock is still difficult
to stabilize. |
|
|
150
|
Thu Sep 8 18:28:51 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Locking Amplifier with Cavity | We wanted to increase the power of the
amplifier to measure the transmission output
at M2, |
|
|
151
|
Fri Sep 9 11:50:17 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Locking Amplifier with Cavity | We locked the cavity, and it is stable
using the Transmission,
the high frequency that we thought |
|
|
152
|
Fri Sep 9 12:45:19 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Locking Amplifier with Cavity | image of the lock with Coupling of ~ 60%
|
|