| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
131
|
Fri Aug 19 16:03:40 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | software | Optical room | CVBG stretching / Fiber Injection | closing series
|
|
|
64
|
Mon Jul 5 14:14:01 2021 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | Optical room | OEwaves CW Laser - Phase Noise |
We started measuring the phase
noise on the OEwaves CW laser.
Class
3b
wavelength 1.5 um
The |
|
|
65
|
Mon Jul 5 14:40:57 2021 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | Optical room | OEwaves CW Laser - Phase Noise | a correction on the wavelength of the laser
it is 1030 um
|
|
|
66
|
Mon Jul 5 14:46:44 2021 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | Optical room | OEwaves CW Laser - Phase Noise | correction on unit 1030 nm
|
|
|
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 |
|
|
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 |
|
|
113
|
Tue Jul 12 14:41:55 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | Optical room | FSR change & Finesse Measurements | a Finesse of 30k with the present mirrors
:
T1=120 ppm ;A1=(2.6+1) ppm; |
|
|
114
|
Tue Jul 12 18:53:55 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | Optical room | Installation of D-shaped mirror / Alignment | To prepare for the amplifier. I installed
the D-shapped mirrors after cleaning (using
aceton and ethanol) between the cavity 2 |
|
|
117
|
Fri Jul 22 17:10:06 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | Optical room | Installation of D-shaped mirror / Alignment | The D-shaped mirrors are installed properly
and not cutting the path of the beam.
The cavity has been aligned again |
|
|
126
|
Thu Aug 11 19:27:09 2022 |
Ronic Chiche | Fixed | info | lasers and optics | detectors and electronics | Optical room | Koheras CW laser lock on FP cavity | I locked the Koheras CW on the FP cavity
but the lock was pretty noisy and very difficult
to acquire. |
|
|
207
|
Fri Mar 29 16:23:34 2024 |
Ronic Chiche | Fixed | info | lasers and optics | detectors and electronics | Optical room | 100W CELIA laser amplifier "Power vs Pump current" curve | We measured again the 100W CELIA laser
amplifier with a pump current until 8A.
as the first current pump of the |
|
|
241
|
Thu Sep 4 17:35:50 2025 |
Ronic Chiche | Fixed | info | lasers and optics | detectors and electronics | Optical room | Installation of the avalanche photodiode | After installing the 2nd EOM, we had some
trouble to be able to lock again.
One possible reason was the very low |
|
|
69
|
Tue Mar 29 16:23:00 2022 |
Manar Amer | Fixed | report | lasers and optics | cabling | Optical room | Mightylaser Amplifier | Migthylaser amplifier has been moved from
the SBox table to the PLIC table.
|
|
|
1
|
Wed Sep 26 18:12:44 2018 |
Loïc Amoudry | Fixed | info | lasers and optics | Optical room | Cavity polarization states (Koheras), Finesse of 2 polarization states | Measurments of Finesse with the 2 polarization
states, let's call them H (higher) and
L (lower): 24500 for the H and 23500 for |
|
|
2
|
Mon Oct 1 11:30:39 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Phase measurement with HASO | 2 measurement.
First one locked, in transmission
of M2 with 2nd stage 0A.Total 89 cm from |
|
|
3
|
Mon Oct 1 14:27:35 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Phase measurement with HASO | * Loic has to fix the number of files (3)
regarding the number of measurements (2)
* splitted Intensity and phase |
8x |
|
4
|
Mon Oct 1 15:19:48 2018 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Phase measurement with HASO | with just intensity, the coupling is 98%,
and with phase, x direction coupling is 95%,
y direction 97%, so the telescope is good. |
|