| ID |
Date |
Author |
Category |
Subject |
Text |
 |
|
1
|
Fri Jul 30 10:21:27 2021 |
Rodolfo | Laser | Kink | The laser beamline in the ESR north arc has
a [B]knik[/B], therefore the laser beam can
not get the "laser tower" in the north east |
|
|
2
|
Fri Apr 22 09:38:24 2022 |
Rodolfo | Laser | getting ready for Fluorescein548 | We are going to change dye. Therefore I have
take out the DCM-dye-solution* out of the
dye circulators, rinsed them with Ethanol |
|
|
3
|
Mon Apr 25 18:47:12 2022 |
Rodolfo | Laser | New dye circulators | I have put into operation the new circulators
(SN. 182231, 182201) for our dye laser (the
Cobra). I have rinsed them with pure Ethanol |
|
|
4
|
Mon Apr 25 21:47:28 2022 |
Rodolfo | Laser | green instead UV | I am exchanging the optical elements (mirrors
and lenses) for the laser spectroscopy on
bismuth. At some places I am also exchanging |
|
|
5
|
Tue Apr 26 16:28:14 2022 |
Carsten | DAQ | Cable of Bunch HF disconnected and 1.995Mhz signal connected for DAQ tests | see subject. |
|
|
6
|
Tue Apr 26 18:15:19 2022 |
Rodolfo | Detectors | XUV-Detector and Cu-Mirror | Concerning the moveable detectors:
- I have switched off the power supply and |
|
|
7
|
Fri Apr 29 21:18:12 2022 |
Rodolfo & Max | Laser | Fluorescein 27, Rh 610 + Rh 640 | We (Max and Rodolfo) have tested the dyes.
I have prepared the dye-solutions according
to the recipes given in Sirah's User Manual. |
|
|
8
|
Wed May 4 22:45:12 2022 |
Carsten, Sebastian | DAQ | Q-Switch Signal (ch15) fixed | The "dead" Q-Switch signal was converted
two times... This explains why in the
Thorium experiment the Q-Switch signal
|
|
|
9
|
Wed May 4 22:55:37 2022 |
Rodolfo, Sebastian | Laser | FCU / Temp Control Bug | We found a "Bug" in the control of the Sirah
dye system.
|
|
|
10
|
Wed May 4 22:56:22 2022 |
Rodolfo, Sebastian, Konstantin | Laser | Laser step complete, scan complete fixed | "Laser step complete" and "laser scan complete"
are working again.
|
|
|
11
|
Thu May 5 15:24:34 2022 |
Sebastian | Laser | laser busy problem | Current status:
Laser busy signal works correctly (5V if
the grating moves, 0V if not) if the laser |
|
|
12
|
Fri May 6 10:30:23 2022 |
Sebastian | DAQ | laser busy / dye out signal fixed | Solution for a working laser busy / dye out
signal was to disable the FCU and set the
FCU status to "False" (see attached picture).
|
|
|
13
|
Fri May 6 10:35:06 2022 |
Sebastian | DAQ | laser step complete cabling changed | I changed the laser step complete cabling
from a quad coinc (see attached picture)
to a Logic Fan In / Fan out (same as laser |
|
|
14
|
Fri May 6 16:29:03 2022 |
Simon, Patrick | Detectors | PMT preparation | We changed PMT north and PMT south and tested
them at 1500 V.
|
|
|
15
|
Fri May 6 16:41:57 2022 |
Patrick, Rodolfo | Laser | Wavemeter | We coupled the laser through a multi-mode
fiber into the wavemeter.
With the main amplifier enabled, we got enough |
|
|
16
|
Mon May 9 09:43:08 2022 |
Zoran | Accelerator | ESR Beam | The main control room started setting up the
Bi beam this morning, but quickly stopped
in order to solve some problems around the |
|
|
17
|
Mon May 9 11:45:57 2022 |
Wilfried, Jon, Sebastian | General | HV Divider position & DMM calibration | We performed an autocalibration (attached
picture 1) of the Keysight 34465A DMM (TUD
Keysight).
|
|
|
18
|
Mon May 9 13:48:20 2022 |
Rodolfo | Laser | Laser for H-like 209Bi | I have changed the dye to Rhodamin 610 + Rhodamin
640. The Cobra wavelength can be tuned now
from 600 to 630 nm.
|
|
|
19
|
Mon May 9 16:58:41 2022 |
Carsten | Detectors | Voltage particle dectectors NA_SZ und SA_SZ switched on | Voltage SA_SZ (capture behind cooler): 1500
V (thin plastic scintillator)
Voltage NA_SZ (capture behind target): 750V |
|
|
20
|
Mon May 9 17:01:02 2022 |
Carsten | DAQ | directories / paths / comments / reduction factors /startup.scom files for the 2 DAQs | [U][B]DAQ1 (original):[/B][/U]
-user atplaser
-runs on lxg1050
|
|