| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
182
|
Wed Jan 17 21:11:59 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Install new mirrors | Today, Ronic and I installed the new mirrors
and got resonance. We can see the oscillations
in this high-finesse case. We haven't |
|
|
183
|
Thu Jan 18 22:14:03 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Install new mirrors | - In the last two days, Ronic and I installed
new mirrors after cleaning the environment,
and locked the cavity. |
|
|
184
|
Mon Jan 22 18:18:01 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Install new mirrors | - Today, Ronic and I changed the signal
generator to a low-noise one (with a delay
time of only 0.5 us). Then we moved |
|
|
185
|
Wed Jan 24 20:33:27 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Install new mirrors | Yesterday we checked the mirrors with
UV light and there was some dust on the mirrors,
especially M2. |
|
|
186
|
Fri Jan 26 17:33:05 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Cleaning of Mirrors | Today Daniele, Ronic and I cleaned the
mirrors and locked the cavity. However, the
finesse was only 13,000 because of the not |
|
|
187
|
Mon Feb 12 17:17:04 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Cleaning of Mirrors | - Today we cleaned the environment and
put the spin coater and microscope inside
the airflow. |
|
|
188
|
Tue Feb 13 17:33:28 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Cleaning of Mirrors | Today, Daniele and I cleaned mirrors one
by one using pure water, alcohol, and the
spin coater. Here are the measurements of |
|
|
189
|
Wed Feb 14 17:20:26 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Cleaning of Mirrors | - Today, Daniele and I cleaned the
cavity inside, recleaned the M2 and
M4 and their mounts, optimized the locking, |
|
|
190
|
Wed Feb 21 17:33:59 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Menhir pulsed laser locking | These days, Ronic, Daniele and I achieved
stable cavity locking with the menhir pulsed
laser. |
|
|
191
|
Wed Feb 21 18:09:11 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Menhir pulsed laser locking | Here is a simulation of the relative FP-cavity
gain vs the CEP for a Finesse of 23000 and
taking into account the Menhir laser optical |
|
|
192
|
Mon Feb 26 08:58:33 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Menhir pulsed laser locking | Last week, Ronic and I focused on CEP
measurements of the menhir laser.
Measurements without |
|
|
193
|
Mon Feb 26 16:53:24 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Menhir pulsed laser locking | here is the code to get this last curve
|
|
|
194
|
Tue Feb 27 17:51:56 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Amplified laser injection | In the last two days, Ronic and I connected
the amplifier and locked the cavity.
- We installed an iris on the output |
|
|
195
|
Wed Feb 28 17:26:46 2024 |
Ronic Chiche | Fixed | info | lasers and optics | software | Optical room | 100W CELIA laser amplifier "how's to" document | 1st version of the document.
if some information is not correct
or missing, give any comment by replying |
|
|
196
|
Thu Mar 7 18:55:42 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Coupling efficiency improvement | - These days, Ronic, Fatematuj and I measured
the beam parameters of the output of the
third-stage amplifier. |
|
|
197
|
Fri Mar 8 18:04:43 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Coupling efficiency improvement | Today, Ronic and I installed the new telescope
and locked the cavity.
- We locked at the amplifier |
|
|
198
|
Tue Mar 12 22:13:47 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Coupling efficiency improvement | - Today, Ronic and I locked at the amplifier
current of 2 A and obtained ~60% coupling
after optimizing the CEP (see Figure |
|
|
199
|
Wed Mar 13 19:44:41 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Injection at the amplifier current of 2 A | Today, Ronic and I optimized the locking at
the amplifier current of 2 A and
obtained ~ 21 kW inside |
|
|
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 |
|