| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
208
|
Tue Apr 2 08:39:17 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | High power experiments (500kW) | Last week, we achieved a stable intracavity
average power of 500kW, limited by amplifier
power. The experimental data are shown |
  |
|
205
|
Wed Mar 27 22:37:02 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | High power experiments (272kW) | Today, Ronic and I achieved 272kW inside
the cavity at 7.5A. The coupling maintained
60%-70%. |
  |
|
203
|
Tue Mar 26 19:36:48 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | High power experiments (200kW) | These days, Ronic and I achieved 200kW
inside the cavity and 70% coupling efficiency.
- By optimizing the telescope, |
 |
|
204
|
Wed Mar 27 09:47:37 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | High power experiments (200kW) | all the injection power in the chart have
not been measured recently but during the
Loic thesis period. |
|
|
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 |
|
|
91
|
Tue May 24 22:11:40 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Fundamental Mode TEM00 | The current setup for the SBox has a beam
viewer and 2 photodiodes placed at reflection
and transmission. |
  |
|
92
|
Wed May 25 17:34:29 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Fundamental Mode TEM00 | Adding images from the transmission after
the spherical mirrors M3 and M4 window for
a resonating mode inside the cavity. |
 |
|
94
|
Wed Jun 8 10:58:15 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Fundamental Mode TEM00 | Images of the Transmitted beam at M2 mirror
at different days.
The first one was from last week, |
 |
|
102
|
Wed Jul 6 18:35:38 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Fundamental Mode TEM00 | Closing series of 00 mode for FSR @ 133.33
MHz
|
|
|
22
|
Mon Nov 5 13:11:08 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | First run with spare mirrors |
I (A)
|
 |
|
12
|
Wed Oct 31 11:36:30 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Finesse vs power by difference between main and second resonance | Measurements show that ratio decrease versus
power. BUT, the second resonance measurement
induce lower power in the cavity so the ratio |
 |
|
15
|
Wed Oct 31 13:43:28 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Finesse vs power by difference between main and second resonance | Measurement on 24/10/18
|
|
|
16
|
Wed Oct 31 13:44:22 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Finesse vs power by difference between main and second resonance | Measurement on 25/10/2018
|
|
|
217
|
Mon Apr 15 18:19:40 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Finesse measurement of 2-mirror cavity | - Today Daniele and I cleaned the spherical
mirror by wiping it with alcohol,
and the finesse increased to 47k |
|
|
214
|
Wed Apr 10 11:35:54 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Finesse measurement (35k) | These days, Ronic, Aurélien
and I use OEwaves CW laser to measure the
finesse of SBOX. We made 5 measurements |
 |
|
242
|
Thu Sep 4 17:52:03 2025 |
Alice Renaux | Under Process | report | lasers and optics | Optical room | Finesse measurement | Today, with Ronic, we measured the finesse
of the 2-mirror cavity witht the NKT CW laser.
We were able to perfrom the measurement |
|
|
243
|
Thu Sep 4 17:56:50 2025 |
Alice Renaux | Under Process | report | lasers and optics | Optical room | Finesse measurement | (Finesse 2651 is consistent with that obtained
from the mirrors' transmission coefficients,
which is about 3100.) |
|
|
218
|
Tue Apr 16 18:38:04 2024 |
Xinyi Lu | Fixed | info | lasers and optics | Optical room | Fiber injection, spectrum and connection of 2nd stage amplifier | Today, Daniele and I injected the laser
into the fiber, installed the telescope,
connected the second stage of the amplifier, |
 |
|
111
|
Tue Jul 12 10:07:05 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | Optical room | FSR change & Finesse Measurements | The FSR of the 2 mirror (plan-spherical)
Cavity was adjusted from 210 MHz to reach
216.643 MHz |
  |
|
112
|
Tue Jul 12 10:19:30 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | Optical room | FSR change & Finesse Measurements | Yesterday evening the cavity was Vacuum
pumped up to pressure of 5.5*10^-2 and locked
changed FSR to be 216.662 MHz and |
 |