Difference between revisions of "GTS meeting 7 23 18"
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| − | * | + | * 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, Downstream Ion Collector bias = -92 V (one electrode, second electrode is grounded), Upstream Ion Collector bias = -44 V | ||
| + | * Summary of lifetime measurements: | ||
** 10-min Sb Moly substrate photocathode lifetime: [https://logbooks/entry/3581648] | ** 10-min Sb Moly substrate photocathode lifetime: [https://logbooks/entry/3581648] | ||
** 90-min Sb GaAs substrate photocathode lifetime: [https://logbooks/entry/3581623] | ** 90-min Sb GaAs substrate photocathode lifetime: [https://logbooks/entry/3581623] | ||
** 60-min Sb GaAs substrate photocathode lifetime: [https://logbooks/entry/3581644] | ** 60-min Sb GaAs substrate photocathode lifetime: [https://logbooks/entry/3581644] | ||
** 30-min Sb GaAs substrate photocathode lifetime: [https://logbooks/entry/3581642] | ** 30-min Sb GaAs substrate photocathode lifetime: [https://logbooks/entry/3581642] | ||
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, Downstream Ion Collector bias = -92 V (one electrode, second electrode is grounded), Upstream Ion Collector bias = -44 V