Difference between revisions of "GTS meeting 7 23 18"

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* Measurements Conditions:
 
* Measurements Conditions:
  
−
  Gun = 200 kV, laser rms =0.436 mm, gun solenoid off, Anode bias = +1000 V, Downstream Ion Collector bias = -92 V (one electrode, second electrode is grounded), Upstream Ion Collector bias = -44 V
+
  Gun = 200 kV
 +
laser rms =0.436 mm
 +
gun solenoid off
 +
Anode bias = +1000 V
 +
Upstream Ion Collector bias = -44 V
 +
Downstream Ion Collector bias = -92 V (one electrode, second electrode is grounded)
  
 
* Summary of lifetime measurements:
 
* Summary of lifetime measurements:

Revision as of 09:43, 23 July 2018

  • Measurements Conditions:
Gun = 200 kV
laser rms =0.436 mm
gun solenoid off
Anode bias = +1000 V
Upstream Ion Collector bias = -44 V
Downstream Ion Collector bias = -92 V (one electrode, second electrode is grounded)
  • Summary of lifetime measurements:
    • 10-min Sb Moly substrate photocathode lifetime: [1]
    • 90-min Sb GaAs substrate photocathode lifetime: [2]
    • 60-min Sb GaAs substrate photocathode lifetime: [3]
    • 30-min Sb GaAs substrate photocathode lifetime: [4]
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