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  Laser Cooling Experiment 2021, Page 3 of 5  Not logged in ELOG logo
New entries since:Thu Jan 1 01:00:00 1970
ID Date Authordown Category Subject Text Attachments
  70   Sun May 16 02:18:53 2021 SebastianGeneralUV Drop1:25 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 SebastianGeneral"Der Laser ist (wieder) ok"    
  72   Sun May 16 02:22:19 2021 SebastianGeneral"Der Laser ist ok"    
  Draft   Fri May 14 09:35:20 2021 NightshiftRunsCoasting beam, scanning laser, ecooler on   IMG-20210514-WA0018.jpg 
  53   Fri May 14 09:38:04 2021 NightshiftRunsCoasting beam, scanning laser, ecooler on   IMG-20210514-WA0018.jpg 
  54   Fri May 14 09:38:43 2021 NightshiftRunsCoasting beam, ecooler on, scanning laser   IMG-20210514-WA0019.jpg 
  55   Fri May 14 09:40:04 2021 NightshiftRunsEcooling vs laser wavelength shift, coasting beam, laser stronger than EcoolingLast three pictures where taken after 
first laser ion beam overlap adjustments
 IMG-20210514-WA0017.jpg 
  62   Sat May 15 06:51:16 2021 Night Shift Sebastian/Max/NoahGeneralDifferent LaserscantypesWe use different scan types (manual scan)
or constant laser wavelengths to check the
effects of laser cooling in the Schottky
  
  79   Sun May 16 07:18:56 2021 Night Shift Sebastian/Max/NoahGeneralPreparation for automated laser scansWe shut the laser system down to prepare automated
laser scans
  
  10   Wed May 12 08:10:17 2021 LarsGeneralinstabilities in ion frequencylooks like the E-Cooler is responsible for
this. If one turns off the electron current,
the beam stays stable. 
  
  18   Wed May 12 10:14:18 2021 LarsAcceleratorE-CoolerM.Steck et al. discussed about the E-Cooler
and found a possible issue. They asked for
enterance to the ESR. Since nobody else was
  
  38   Thu May 13 03:35:25 2021 LarsGeneralStatus: Current schedule ... so far1.) so far: 
h = 2, 4, 6, 7, 8, 10, 12, 14, 16, 18, 20,
30
  
  Draft   Wed May 12 09:05:48 2021 Keysight SettingsDAQ     
  4   Tue May 11 16:33:31 2021 Ken UeberholzDetectorsDetector control manualAttached to this elog entry is a short manual
for the xuv-detector control. If anything
is missing or not understandable I can change
 Manual.pdf 
  22   Wed May 12 18:59:15 2021 Ken UeberholzGeneralPower is backPower is back and most things are running
again
  
  24   Wed May 12 22:28:55 2021 Ken UeberholzGeneralBunching succesfullBunching with 2 and 10 bunches succesfull   
  28   Wed May 12 23:36:18 2021 Ken UeberholzDAQVI changecarbon main vi - kopie is now in operation

here, in keysight.vi the input settings for
  
  29   Wed May 12 23:45:23 2021 Ken UeberholzGeneralLaser does not reach the exit windowHigh rates on the detector at 50mm positions,
laser does not seem to reach the exit window.
  
  39   Thu May 13 18:34:54 2021 Ken UeberholzGeneralWhat happened scince shift change at 4pmIon frequency shifts with laser, both manually
and scanned, without bunches: successful
Bunching with 7 and 20 bunches: successful
  
  42   Thu May 13 23:42:37 2021 Ken UeberholzGeneralWhat was doneIn this shift a number of successful Schottky
measurements were done:
With fixed laser wavelength, while varying
 Schottky1.jpegSchottky2.jpegSchottky3.jpegSchottky4.jpeg 
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