| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
216
|
Tue Jun 6 01:12:11 2023 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | cabling | software | ThomX igloo | Cavity Lock - Alphanov Amplifier | Today, I installed a power meter at the
transmission point of the 1st spherical mirror
, transmission 3 ppm (direct from cavity |
|
|
218
|
Wed Jun 7 21:46:50 2023 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | cabling | software | ThomX igloo | Cavity Lock - Alphanov Amplifier | Today with Ronic,
starting with major events that
happened (Water circulation + ThomX valves |
|
|
220
|
Fri Jun 9 19:51:43 2023 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | cabling | software | ThomX igloo | Cavity Lock - Alphanov Amplifier | In the morning, we locked on the first
resonance. With an increase on the amplifier
power @ 20-25% and 30%, which reduced the |
|
|
221
|
Mon Jun 19 16:08:15 2023 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | cabling | software | ThomX igloo | Cavity Lock - Alphanov Amplifier | The computer is possible to connect from
the control room,
we are able to run remotely the |
|
|
391
|
Wed Jan 8 12:24:48 2025 |
Ronic Chiche | Under Process | info | lasers and optics | detectors and electronics | cabling | ThomX igloo | CEM noise measurements | The goal of these measurements is to check
if one can find some correlation between
the CFP lock losses observed during a run |
|
|
392
|
Wed Jan 8 16:08:59 2025 |
Ronic Chiche | Under Process | info | lasers and optics | detectors and electronics | cabling | ThomX igloo | CEM noise measurements | This afternoon, we started almost all the
parts of the machine with Vincent and Nicolas,
and we didn't see any change in the Loop |
|
|
72
|
Thu Oct 10 17:51:26 2019 |
Ronic Chiche | Fixed | issue | lasers and optics | detectors and electronics | Optical room | First Lock with 2nd satge of amplifier : Finesse issue ? | 1st lock today with the second stage of
the amplifier.
~ 300mW of injected power (but which |
|
|
74
|
Fri Oct 11 18:42:32 2019 |
Ronic Chiche | Fixed | issue | lasers and optics | detectors and electronics | Optical room | First Lock with 2nd satge of amplifier : Finesse issue ? | First of all, we used and optical spectrometer
to determine which proportion of pump and
signal is in the injected beam. |
|
|
81
|
Fri Nov 22 17:56:56 2019 |
Ronic Chiche | Fixed | issue | lasers and optics | detectors and electronics | Optical room | 30Hz noise issue | since some days, we observe the cavity
is difficult to lock and a strange 30Hz noise
has appeared on the PZT signal which normally |
|
|
84
|
Tue Nov 26 16:35:39 2019 |
Ronic Chiche | Fixed | issue | lasers and optics | detectors and electronics | Optical room | 30Hz noise issue | The 30 Hz noise issue has been solved !
It came from translation stage
of P1 and/or P4. |
|
|
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 |
|