| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
25
|
Thu Jan 24 17:44:21 2019 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Deposit on S-box mirrors after return from LMA | Cleaning on dirty surface shows something
is deposited on the surface. Cleaning displaces
and removes part of the deposit. |
|
|
26
|
Thu Jan 24 17:49:54 2019 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Impacts on mirror's surface | All the mirrors show impacts on there surface
(some of them do not show deposit). Does
it come from experiments or fabrication ? |
|
|
27
|
Fri Feb 1 13:45:19 2019 |
Loïc Amoudry | Fixed | report | lasers and optics | Other | AFM performed on S-BOX mirrors | 29/02/19 - AFM has shown that spots
on mirror's surfaces are bumps and not
holes. |
|
|
29
|
Wed Nov 13 13:15:53 2019 |
Loïc Amoudry | Fixed | report | lasers and optics | Other | AFM+ InfraRed spectroscopy (IR spectro) has been performed | AFM+ InfraRed spectroscopy (IR spectro)
has been performed on 400kW S-BOX mirrors.
Seems that XPS made M3 and M4 dirty, |
|
|
30
|
Fri Dec 6 11:53:53 2019 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Mirror's cleaning | XPS has been proceeded on the 400kW SBOX
mirrors M3 and M4 (the initial cavity spherical
mirrors) in frebruary 2019. Deposited a lot |
|
|
31
|
Fri Dec 6 11:54:58 2019 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Mirror's installed | The initial 400kW SBOX mirrors which have
been cleaned ont 28th of november have been
installed this morning on the SBOX. |
|
|
36
|
Fri Dec 13 18:28:00 2019 |
Ronic Chiche | Fixed | report | lasers and optics | Optical room | first data with 3A on the 3rd stage | Today, at 3A on the 3rd stage, we saw some
HOM effects.
the transmissions is about 100mW which |
|
|
38
|
Tue Dec 17 10:56:08 2019 |
Ronic Chiche | Fixed | report | lasers and optics | Optical room | first data with 3A on the 3rd stage | 2 pictures :
typical beam with HOM
typical beam after moving the D-shape |
|
|
46
|
Thu Jan 9 16:54:05 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Microscope and cleaning of SBOX mirrors | The mirrors went in the cavity the 28th
of november (We did several power up
to 30kW stored and only one to 40kW then |
|
|
47
|
Fri Jan 10 18:51:23 2020 |
Ronic Chiche | Fixed | report | lasers and optics | Optical room | analysis of stored and reflected power | the 10th of January, we increased the power
of the amplifier to study the cavity transmitted
and reflected power signals. |
6x |
|
48
|
Fri Jan 24 16:16:24 2020 |
Ronic Chiche | Fixed | report | lasers and optics | Optical room | analysis of stored and reflected power | A chart which summarizes
the data we have or we can estimate.
|
|
|
49
|
Fri Jan 24 17:52:14 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | AFM analysis of M1 | AFM has been proceeded on M1 and M2.
The pdf shows the first images
taken with the PLIC room Leica microscope |
|
|
52
|
Wed Jan 29 19:00:02 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Glow discharge cleaner on SBOX mirrors | The glow discharge cleaner has been tested
on the SBOX mirrors.
I've put them 1 by 1. Each |
|
|
53
|
Wed Jan 29 19:04:38 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | SBOX mirrors cleaned | Today, SBOX mirrors have been cleaned with
spin coater on HR face and isoprop on back
face. They show similar spots as before. |
|
|
54
|
Wed Feb 5 14:47:16 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | SBOX mirrors cleaned | Yesterday, after installation and alignment
of mirrors and cavity, the Finesse has been
measured with cavity at air pressure, with |
|
|
55
|
Wed Feb 5 16:46:01 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | SBOX mirrors cleaned | Today we put the cavity to vacuum (~ 0.1
mBar) and we measured again the Finesse with
Koheras and modulation technique. |
|
|
56
|
Thu Feb 6 11:01:08 2020 |
Ronic Chiche | Fixed | report | lasers and optics | Optical room | analysis of stored and reflected power | with this Finesse around 22-23k, the technique
comparing TRANSMISSION and REFLECTION signals
doesn't work, even in taking into account |
|
|
57
|
Thu Feb 6 16:58:57 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Power up to 48kW crater effect again | As we said, after glow discharge and spin
coater we recovered a low power finesse ~23000
(aligning away from the M1 crater). |
|
|
60
|
Wed Dec 16 12:36:37 2020 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Mirror's cleaning and microscope imaging | On 10th of december 2020 we cleaned the
SBOX mirrors and took microscope images
(the name of the images indicates what they |
14x |
|
61
|
Tue Jan 5 12:38:04 2021 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Transmission Measurements for the Mirrors. |
Thursday 10 December 2020:
First Test Measurement - Inside Box
The
transmission ( T ) for the mirrors of SBOX |
6x |