| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
92
|
Tue Feb 18 12:24:00 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | ThomX Locked with CVBGs | ThomX has been locked with a new telescope
while using compression CVBGs.
Coupling is ~50-55% and lock is stable. |
|
|
93
|
Wed Feb 19 17:21:28 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Powerup with 2.5ps pulses | A power up has been performed on ThomX
until 65kW intracavity power. We didn't
see any modes but stored power was really |
|
|
94
|
Mon Feb 24 16:28:52 2020 |
Ronic Chiche | Fixed | report | lasers and optics | Optical room | Beam pulse duration | Last Thursday (20th of February), Loïc
and Titouan realigned the stretcher CVBG
to its nominal angle and they used an interferometric |
|
|
95
|
Wed Feb 26 10:38:37 2020 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Optical spectrum analyzer resolution | The Koheras @0.5mW is directly connected
with fibers FC/APC -> FC/PC to the Avantes
optical spectrum analyzer. |
|
|
96
|
Wed Feb 26 11:05:09 2020 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Optical spectrum analyzer resolution | Same measurement with Koheras @100mW and
using fiber coupling lenses between Koheras
and Avantes OSA. |
|
|
97
|
Wed Feb 26 16:48:02 2020 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Optical spectrum before and after CVBG | Measurement of the optical spectrum with
Avantes OSA before (1st picture) and after
CVBG (2nd picture) with 2nd stage on the |
|
|
99
|
Fri Feb 28 17:44:12 2020 |
Ronic Chiche | Fixed | report | lasers and optics | Optical room | Pointing stability with CVBG | Yesterday, with Titouan, we made some measurements
on pointing stability of the laser beam after
amplifier and CVBG. |
|
|
100
|
Tue Jun 16 13:03:52 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Finesse measurement after confinement | After 3 months without human presence,
finesse has been measured 3 times with
average optimization: |
|
|
101
|
Tue Jul 7 12:49:38 2020 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Finesse measurement after the Edge installation | After the Edge installation inside the
cavity, the Finesse has been measured several
times by modulation technique with an average |
|
|
102
|
Tue Oct 27 13:13:50 2020 |
Loïc Amoudry | Fixed | info | lasers and optics | Optical room | Coating reflectivity | Coatings reflectivity curves and datas
for HR Saphir, HR Suprasil and HR ULE. |
6x |
|
103
|
Fri Nov 6 14:23:16 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Beam size and finesse | Measurement behind P4 (planar mirror)
|
|
|
104
|
Fri Dec 18 16:10:04 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Onefive ouput power and spectrum | After turning on, one can see the 133.33MHz
Onefive output power for ~40min with OD2
filter (~/20). So the real output power is |
|
|
105
|
Fri Dec 18 17:06:53 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Onefive ouput power and spectrum | 1) Note: The OneFive laser used for
experimenting is the one for the SBox
but, for now only this laser arrived |
|
|
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 |
|
|
111
|
Thu Jan 13 17:08:56 2022 |
Ronic Chiche | Fixed | issue | mechanics | lasers and optics | Optical room | Alignment procedure | Picture of the installed mirrors inside
the FP cavity.
To install an Iris instead of a |
|
|
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 |
|