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  Dielectronic recombination-assisted laser spectroscopy, Page 4 of 6  Not logged in ELOG logo
New entries since:Thu Jan 1 01:00:00 1970
ID Date Author Categorydown Subject Text Attachments
  51   Wed May 11 23:34:39 2022 Patrick, CarstenDetectorsParticle Detectors / Scraper positionsVoltages of particle detectors off.

Scraper positions:
  
  77   Mon May 16 22:57:40 2022 Patrick, Kristian, David, Ruijiu DetectorsSwitched off nitrogenBackground counts with nitrogen and air.
Less multiphoton events with air (see pictures,
histogram extended to 30 with nitrogen).
 2022-05-16_PMTs_after_nitrogen_off.png 
  80   Tue May 17 10:38:44 2022 KonstantinDetectorsPMT North changedPMT located at the northern window was again
replaced by the narrow-band PMT (ET Enterprise
type 9423 SB, SN: 650).
  
  85   Mon May 30 01:13:40 2022 Konstantin, Max, PatrickDetectorsXUV-Detector voltage offXUV-Detector shows up to 100 kHz and, therefore,
was turned off.
  
  88   Mon May 30 08:35:41 2022 Kristian, Simon, Ken, RaganDetectorsChanged PMT NorthWe did not see any signal at PMT North which
was the narrowband PMT. Changed it to the
old solar blind PMT. Now we see the resonance.
  
  89   Mon May 30 09:28:43 2022 Ken, Kristian, Simon, RaganDetectorsXUV-Detector9:27 XUV-Detector is running again.

-5V cathode, 8A main coil, 2.4A sec.coil
  
  101   Tue May 31 19:37:30 2022 Carsten, Max, WilfriedDetectorsSASZ and NASZ voltages switched offSASZ and NASZ voltages were switched off bevor
we went back to 209Bi. Laser beam stabilization
turned off.
  
  103   Tue May 31 21:08:04 2022 Carsten, MaxDetectorsXUV detector automation offWe deactivated the automation of the XUV detector.
It stays out now.
  
  109   Fri Jun 3 12:01:17 2022 DanyalDetectorsswitched off XUV detector on 1 June ~17:00 I have switched off the XUV detector on 1
June at about 17:00. 
The high voltages of the MCP (in ESR laser
  
  5   Tue Apr 26 16:28:14 2022 CarstenDAQCable of Bunch HF disconnected and 1.995Mhz signal connected for DAQ tests see subject.   
  8   Wed May 4 22:45:12 2022 Carsten, SebastianDAQQ-Switch Signal (ch15) fixed The "dead" Q-Switch signal was converted 
two times... This explains why in the 
Thorium experiment the Q-Switch signal 
  
  12   Fri May 6 10:30:23 2022 SebastianDAQlaser busy / dye out signal fixedSolution for a working laser busy / dye out
signal was to disable the FCU and set the
FCU status to "False" (see attached picture).
 CobraFix_LaserBusy.PNG 
  13   Fri May 6 10:35:06 2022 SebastianDAQlaser step complete cabling changedI changed the laser step complete cabling
from a quad coinc (see attached picture)
to a Logic Fan In / Fan out (same as laser
 stepComplete_beforeChange_QuadCoincCabling.PNG 
  20   Mon May 9 17:01:02 2022 CarstenDAQdirectories / paths / comments / reduction factors /startup.scom files for the 2 DAQs [U][B]DAQ1 (original):[/B][/U]
-user atplaser
-runs on lxg1050
  
  21   Mon May 9 17:14:02 2022 CarstenDAQNTCAP DAQThe NTCap DAQ computer in the HKR (Schottky
logbook) is started, and all preparations
for data taking (mounting of NAS etc.) are
  
  23   Mon May 9 19:05:17 2022 WilfriedDAQQ-Switch signals + 0.5 ms and +1 ms in VUPROMWe have generated two additional signals which
are fed into two VUPROM channels:
Q-Switch + 0.5 ms --> channel 9
  
  31   Tue May 10 22:29:45 2022 Jan GloriusDAQDAQ2 shaper settingsAttached are the MSCF shaper settings applied
on Tue May 10 at 22:30.
 setting_e128.v1 
  32   Tue May 10 22:37:10 2022 Jan GloriusDAQDAQ2 cabling docu   e128_daq2_cabling.ods 
  43   Wed May 11 14:48:31 2022 KonstantinDAQVoltage range of the Keysight DMM changed from 10V to 1VDuring the setup of the ion beam the voltage
range of the Keysight DMM was changed from
10V to 1V. Additionally, the name of the
 VoltageRangeChanged.png 
  46   Wed May 11 18:13:04 2022 Wilfried, Phillip, MaxDAQlaser scan/step completeThe scaler channel laser scan complete and
laser step complete is interchanged in go4.
Carsten will fix this on the software side.
  
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