GTS meeting 11 13 17

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  • Old photocathode activated with 5 mm mask:[1]

  • Gain switched diode laser at 1066 nm is ready for installation this week (1064 nm, 50 ps Gaussian pulses, doubling efficiency > 30%, 1.8W output, 1497/4=374.25 MHz)

  • Planned measurements:
  1. Commission harps
  2. Map beam emittance vs spot location and laser size
  3. Measure beam magnetization (beam sizes and rotation angle) versus solenoid field from photocathode center and for two laser sizes
  4. Measure lifetime at 5 mA with RF laser and solenoid magnet off/on