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Date
Author
Status
Type
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Location
Title
Text
26
Mon Oct 4 15:24:14 2021
Aurélien Martens
Fixed
report
lasers and optics | detectors and electronics
Optical room
piezo actuation range
A 10V applied on the laser piezo was found
to induce a frequecny change of about 5kHz,
compatible with expectations from the piezo
27
Mon Oct 4 15:38:43 2021
Aurélien Martens
Fixed
info
detectors and electronics
Optical room
phone is noise
doing the sensitivty measurement of the
piezo we observed satellite peaks around
800 to 900 Mhz. Removing the phones from
43
Thu Dec 2 16:12:17 2021
Aurélien Martens
Fixed
report
mechanics | software
Optical room
new smaract positions
M1 and M2 at 5.1085mm and M3 and M4 at
-2.9mm
25
Mon Oct 4 15:10:17 2021
Aurélien Martens
Fixed
report
mechanics | detectors and electronics | software
Optical room
new position of smaract motors
following the measuremetn at 879.9 MHZ
of the laser theoptical cavity length has
been adjusted to that value from 876MHz setting
28
Tue Oct 5 11:35:16 2021
Aurélien Martens
Fixed
report
detectors and electronics | software
Optical room
new position of smaract motors
a cavity length measurement gave 880.9Mhz.
The m1/M2 have been put to +5.1000mm both
M3/M4 srill at -2.9mm
29
Tue Oct 5 12:18:34 2021
Aurélien Martens
Fixed
report
detectors and electronics | software
Optical room
new position of smaract motors
to find the fundamental mode we moved the
cavity mirrors to new positions:
+5.104mm for both planar mirrors
30
Tue Oct 5 12:23:51 2021
Aurélien Martens
Fixed
report
detectors and electronics | software
Optical room
new position of smaract motors
the M1 is not at 5.1045mm to put the fundamental
on the scanning range of the laser piezo
M2 still at 5.104mm
31
Tue Oct 5 16:23:04 2021
Aurélien Martens
Fixed
report
detectors and electronics | software
Optical room
new position of smaract motors
after 3hours (1pm --> 4pm) the cavity
moved by 12um in total
new positions: +5.1065mm on M1
24
Mon Oct 4 14:57:04 2021
Aurélien Martens
Fixed
info
detectors and electronics | software
Optical room
ip adress of smaract driver
the ip adress of the smaract driver is
now 10.0.53.10:5000
please think about putting such
53
Mon Mar 28 17:10:33 2022
Blanc
Fixed
info
lasers and optics | detectors and electronics
Optical room
input and output power of the AOM 50MHz
Input power of the AOM :
150mW
output power of the AOM :
88
Fri Apr 28 15:28:06 2023
Blanc
Fixed
info
lasers and optics
Optical room
Verification CEP
On a voulu véifier que le changement
de couplage induit par la CEP était
une conséquence du changement de CEP
75
Mon Feb 20 12:49:47 2023
Blanc
Fixed
info
lasers and optics
Optical room
Update schéma manip
Le dernier schéma de la manip avec
plus d'infos.
12
Fri May 7 15:40:10 2021
Ronic Chiche
Fixed
info
lasers and optics
Optical room
Theoretical Finesse, Gain and Coupling
For spherical mirrors M3 and M4 (batch
C117I054) the reflectance (R) is around 99.9987%
(if T+R=1 => T=13ppm)
58
Wed Jan 18 17:52:33 2023
Blanc
Fixed
info
lasers and optics
Optical room
Tests et mesures lockline
Mesures de puissance fibres lockline :
AVANT POLISSAGE
injection premier étage
59
Thu Jan 19 14:56:27 2023
Blanc
Fixed
info
lasers and optics
Optical room
Tests et mesures lockline
83
Wed Apr 5 13:09:49 2023
Blanc
Fixed
info
lasers and optics
Optical room
Taille faisceau
J'ai fait une comparaison de la taille
du faisceau sur les miroirs de la cavité
pour savoir si le mauvais couplage dans la
60
Thu Jan 19 15:05:58 2023
Blanc
Fixed
info
lasers and optics
Optical room
Suite Mesures de puissance lockline
Changement d'AOM pour passer sur l'AOM
200 MHz.
Le schéma suivant récapitule
61
Thu Jan 19 18:20:02 2023
Blanc
Fixed
info
lasers and optics
Optical room
Suite Mesures de puissance lockline
34
Fri Oct 8 16:02:19 2021
Blanc
Fixed
info
lasers and optics | detectors and electronics
Optical room
Setup and measurements
To summerize the results of this week :
We made the setup in attachement
5 and align it to have the good mode in the
5
Mon Apr 19 18:41:03 2021
Manar Amer
Fixed
report
mechanics | cabling | software
Other
Setting up the Motors
A document attached that describes the
procedure needed to:
- connect the motors
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ELOG V3.1.4-395e101