| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
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, |
|
|
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. |
|
|
50
|
Fri Jan 24 17:56:11 2020 |
Loïc Amoudry | Fixed | info | lasers and optics | Optical room | AFM analysis of M2 | We had enough time to proceed a quick scan
of M2 which has also a hole but not centered
on the mirror. |
|
|
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 |
|
|
33
|
Wed Dec 11 17:13:02 2019 |
Ronic Chiche | Fixed | issue | lasers and optics | Optical room | 2nd stage amplifier issue | the 2nd stage amplifier needed several
hours (4-5h) to reach its nominal power (we
look at photodiode level on a scope), instead |
|
|
34
|
Thu Dec 12 11:49:05 2019 |
Ronic Chiche | Fixed | issue | lasers and optics | Optical room | 2nd stage amplifier issue | Last time, we switched ON directly the
2nd stage at 6A without increasing/decrinsing
slowly the current. |
|
|
35
|
Fri Dec 13 15:56:22 2019 |
Ronic Chiche | Fixed | issue | lasers and optics | Optical room | 2nd stage amplifier issue | 2nd stage output power was going down.
We checked the pump diode technical data
sheet and the operating temperature is [25°C:35°C]. |
|
|
139
|
Tue Aug 30 17:48:39 2022 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | 2nd stage CELIA amplifier | today, we measured the 2nd stage CELIA
amplifier pump wavelength : 970-990 nm |
|
|
140
|
Wed Aug 31 18:14:51 2022 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | 2nd stage CELIA amplifier | today we did several test with the Dichroic
shortpass mirror (Thorlabs DMSP1000) and
with a 10nm optical filter around 1030nm |
|
|
239
|
Thu Aug 28 15:29:00 2025 |
Alice Renaux | Under Process | report | lasers and optics | Optical room | 2-mirror cavity locking | In June, we encountered some problems regarding
the transmission and error signals (see images
here), |
|
|
236
|
Wed May 28 18:27:27 2025 |
Alice Renaux | Under Process | report | lasers and optics | Optical room | 2-mirror cavity full setup | Today with Ronic, we changed the FP cavity's
mirrors to Layertek (Gamma Factory) mirrors
: |
|
|
233
|
Fri Mar 21 18:27:36 2025 |
Alice Renaux | Under Process | report | mechanics | lasers and optics | Optical room | 2-mirror cavity alignment | At the beginning of the week, I installed
a half-wave plate, a beamsplitter cube and
a quarter-wave plate, as well as the end-of-cavity |
|
|
234
|
Tue May 27 18:12:22 2025 |
Alice Renaux | Under Process | report | lasers and optics | Optical room | 2-mirror cavity alignment | Yesterday and today, I replaced the OEWaves
CW laser with the NKT CW laser. Its screen
does not display anything, so it has to be |
|
|
235
|
Wed May 28 10:55:15 2025 |
Alice Renaux | Under Process | report | lasers and optics | Optical room | 2-mirror cavity alignment | The NKT laser PZT sensitivity is ~0.09pm/V
of wavelength variation, which is equivalent
to ~ 25MHz/V |
|
|
219
|
Thu Apr 25 22:12:25 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | 2 mirror cavity high power experiments | Today, Ronic and I recorded some intracavity
power and cavity mode size as shown in Fig.
1. |
|
|
106
|
Wed Jul 6 19:57:17 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | Optical room | 2 Mirror Setup @ 216.6 MHz | The SBox cavity setup was changed to have
only 2 mirrors M1 plane and M2 spherical,
both from ThomX |
|
|
109
|
Fri Jul 8 17:48:48 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | Optical room | 2 Mirror Setup @ 216.6 MHz | The cavity was realigned using irises instead
of pinholes, gave a better alignment.
The inside of the box, the spherical |
|
|
110
|
Fri Jul 8 19:37:24 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | Optical room | 2 Mirror Setup @ 216.6 MHz | Update for Finesse measurement, The cavity
was put under vacuum ~ 1.1*10^-1 mbar
and the alignment and coupling |
|
|
138
|
Wed Aug 24 10:45:24 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | 2 Mirror Setup @ 216.6 MHz | Adding information about the 2 mirror cavity
setup (plan - spherical)
that is currently installed. |
|
|
195
|
Wed Feb 28 17:26:46 2024 |
Ronic Chiche | Fixed | info | lasers and optics | software | Optical room | 100W CELIA laser amplifier "how's to" document | 1st version of the document.
if some information is not correct
or missing, give any comment by replying |
|