| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
106
|
Thu Nov 4 13:05:49 2021 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | FP cavity alignment | as the iris used to locate the FP-cavity
axis have been removed before moving the
table inside the Igloo, we have to find again |
|
|
107
|
Thu Nov 4 18:57:16 2021 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | FP cavity alignment | This afternoon, we continued the alignment
of the red laser.
we did it using the 2 final injection |
|
|
108
|
Fri Nov 26 20:12:10 2021 |
Ronic Chiche | Fixed | report | lasers and optics | ThomX igloo | FP cavity alignment | A continuation of the alignment process
was done, there was change in it due to variation
in temperature, |
|
|
109
|
Thu Dec 2 21:31:21 2021 |
Manar Amer | Fixed | report | lasers and optics | ThomX igloo | FP cavity alignment | Note the direction of injection is
M1 - M2 - M3 - M4
|
|
|
110
|
Tue Jan 11 10:36:35 2022 |
Manar Amer | Fixed | report | lasers and optics | ThomX igloo | FP cavity alignment | The alignment is on hold until next week
17th - 18th Jan
an Alignment attempt will be done |
|
|
112
|
Mon Jan 17 10:04:14 2022 |
Ronic Chiche | Fixed | info | mechanics | ThomX igloo | Documentation about mechanics on Atrium | https://atrium.in2p3.fr/0dded51a-1cb0-43e6-ae0d-626cd5db7078
a lot of schematics regarding the |
|
|
113
|
Mon Jan 17 21:22:28 2022 |
Manar Amer | Fixed | report | lasers and optics | ThomX igloo | FP cavity alignment | ***** Continuation of the alignment ----
FP Cavity Open --- ****
The cavity was put under outer |
|
|
114
|
Wed Jan 19 09:36:53 2022 |
Manar Amer | Fixed | report | lasers and optics | ThomX igloo | FP cavity alignment | Yesterday, we did the alignment again using
Iris and beam profilers to obtain a more
precise result. |
|
|
115
|
Tue Feb 1 14:17:02 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | ThomX igloo | FP cavity alignment | Installed and inputs:
CW laser ; power = 101
mW
PDH ;
at output
Low |
|
|
116
|
Tue Feb 1 16:40:06 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | ThomX igloo | FP cavity alignment | This afternoon, I did some alignment of
the injection mirrors with a fast scan on
the LaseLock to get a regular transmission |
|
|
117
|
Wed Feb 2 11:22:51 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | ThomX igloo | FP cavity alignment | This morning with Manar, we installed the
AOM+RF amplifier and the associated fast
feedback loop. |
|
|
118
|
Wed Feb 2 11:41:01 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | ThomX igloo | FP cavity alignment | Adding Oscilloscope images
delocked + locked intervals
showing the 20% coupling
lock |
|
|
119
|
Thu Feb 3 13:56:24 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | ThomX igloo | FP cavity alignment | Ending alignment series !!
|
|
|
120
|
Thu Feb 3 14:10:08 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | ThomX igloo | FP cavity alignment | As it can be seen on the first plot, even
with a good locking (good reduction of "high"
frequencies noise: we had better locking |
|
|
121
|
Thu Feb 3 14:11:50 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | ThomX igloo | Cavity Lock and Finess measurment | This morning, me and Ronic managed to obtain
the FSR and image of the finesse which is
to be analyzed. |
6x |
|
123
|
Thu Feb 3 18:40:04 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | ThomX igloo | FP cavity alignment | The fluctuation problem has been solved.
It was simply the new scheme to inject
2 RF frequencies in a single EOM. |
|
|
125
|
Thu Feb 3 18:59:10 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | ThomX igloo | Cavity Lock and Finess measurment |
to measure the Finesse, instead
of having 2x EOM for the PDH and for the |
|
|
126
|
Thu Feb 3 19:01:04 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | ThomX igloo | Cavity Lock and Finess measurment |
After changing the way of injecting
modulation for PDH and modulation for FSR |
|
|
127
|
Fri Feb 4 10:59:56 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | ThomX igloo | Cavity Lock and Finess measurment | one thing which could reduce the Finesse
is the L-shape metal piece if it is slightly
inserted in the FP-cavity mode path. |
|
|
128
|
Fri Mar 11 12:46:58 2022 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | FP cavity mode axis change and Finesse measurement | this morning with Manar, we did a cavity
mode axis change.
we checked the cavity mode centroid |
|