| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
90
|
Fri Feb 14 09:26:07 2020 |
Ronic Chiche | Fixed | report | lasers and optics | Optical room | Beam pulse duration | Yesterday, Loïc put the CVBG's
back to their specified angles.
We used an interferometric technique |
|
|
91
|
Fri Feb 14 18:02:37 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Telescope for compressors and ThomX | CVBGs telescope is done with w ~= 1mm.
ThomX telescope is done with w
~= 2.3mm in x and y. |
|
|
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 |
|
|
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: |
|
|
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 |
|
|
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 |
|
|
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 !!
|
|