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Laser Cooling Experiment 2021, Page 4 of 5
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Thu Jan 1 01:00:00 1970
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ID
Date
Author
Category
Subject
Text
62
Sat May 15 06:51:16 2021
Night Shift Sebastian/Max/Noah
General
Different Laserscantypes
We use different scan types (manual scan)
or constant laser wavelengths to check the
effects of laser cooling in the Schottky
63
Sat May 15 09:22:41 2021
Sebastian
Accelerator
Ekühler
Settings für Ekühler an und aus in SC4 und
5
64
Sat May 15 09:23:52 2021
Sebastian
Accelerator
Ekühler
Tab "Kühler Elektronenstrahl"
An Gerät schicken
65
Sat May 15 09:50:31 2021
Team
Runs
Laser cooling of....
H=2
H=7
H=10
66
Sat May 15 09:57:24 2021
Dayshift
Runs
Currently on schedule
Enhance fluorescence rate and perform
laser bunch timing
67
Sat May 15 11:06:31 2021
Benedikt
General
New Zoom link for the moment
https://tu-darmstadt.zoom.us/j/4948400422?pwd=SEJaUzBuYXM0TTd6UWxoZTFlWEZxUT09
Meeting ID: 494 840 0422
68
Sat May 15 11:26:44 2021
Benedikt
General
TEM parameters
We changed the horizontal position of the
laser beam a bit, so that we maximized the
fluorescence signal on the XUV detector (coasting
69
Sat May 15 12:11:54 2021
Benedikt
General
Laser-bunch-timing
Optimizing the laser bunch timing.
h = 7 (9.0389145 MHz)
Reprate is already set to same frequency.
70
Sun May 16 02:18:53 2021
Sebastian
General
UV Drop
1:25 a.m. huge drop in UV laser power
-> small crystal bump with both y screws
of bbo oven
Draft
Sun May 16 02:20:58 2021
Sebastian
General
"Der Laser ist (wieder) ok"
72
Sun May 16 02:22:19 2021
Sebastian
General
"Der Laser ist ok"
73
Sun May 16 02:28:21 2021
Team
General
#Beam ON!
Laser specs:
pulse length -> 482ps
74
Sun May 16 05:09:04 2021
Team
General
Laser cooling with 482ps
we see laser cooling with 482ps pulse length
75
Sun May 16 05:09:27 2021
Team
General
Switch to 285ps
pulse length -> 285ps
minimum 62mW inside ESR (depending on laser
76
Sun May 16 05:24:00 2021
Team
General
Laser cooling with 285ps
we also see laser cooling with 285ps pulse
length
77
Sun May 16 06:13:46 2021
Team
General
Switch to 166ps
78
Sun May 16 07:03:07 2021
Team
General
Laser cooling with 166ps
We saw some indications of laser cooling @
166ps pulse length
79
Sun May 16 07:18:56 2021
Night Shift Sebastian/Max/Noah
General
Preparation for automated laser scans
We shut the laser system down to prepare automated
laser scans
80
Sun May 16 11:29:22 2021
Benedikt
General
Automated laser scans working
The automated laser scans are working now.
We can now scan with the following functions:
triangle, sawtooth, cosinus/sinus, arctan,
81
Sun May 16 21:23:02 2021
Team
General
ESR OPEN -> preparation for Polarisation Tests
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