Difference between revisions of "GTS meeting 10 02 17"

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(Created page with "* High current runs * Laser heating and QE decay * Jay's magnetic fields model of Radiabeam steerers and Gun Solenoid: media:GTS_magnetic_model_Jay_Oct2017.pdf")
 
 
(2 intermediate revisions by the same user not shown)
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* Laser heating and QE decay
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* Why is photocathode lifetime limited (100 - 300 C)?
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# Laser heating and QE decay
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# Laser size too small?
  
  
* Jay's magnetic fields model of Radiabeam steerers and Gun Solenoid: [[media:GTS_magnetic_model_Jay_Oct2017.pdf]]
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* Remaining tasks before shutdown on Wednesday Oct. 4, 2017:
 +
# Measure lifetime with a larger laser size (~rms=0.5 mm)
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# Measure lifetime for: 0 A, 50 A, 100 A, 150 A, 200 A, 300 A, 400 A (Gun HV=300 kV, I=3.0 mA)
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# Lifetime vs biased anode
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 +
 
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* Jay's magnetic field model of Radiabeam steerers and Gun Solenoid: [[media:GTS_magnetic_model_Jay_Oct2017.pdf]]

Latest revision as of 10:08, 2 October 2017

  • High current runs


  • Why is photocathode lifetime limited (100 - 300 C)?
  1. Laser heating and QE decay
  2. Laser size too small?


  • Remaining tasks before shutdown on Wednesday Oct. 4, 2017:
  1. Measure lifetime with a larger laser size (~rms=0.5 mm)
  2. Measure lifetime for: 0 A, 50 A, 100 A, 150 A, 200 A, 300 A, 400 A (Gun HV=300 kV, I=3.0 mA)
  3. Lifetime vs biased anode