Difference between revisions of "GTS meeting 11 06 17"

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* Beamline bake
+
* Beamline bake is completed
  
  
* New bialkali antimonide photocathode was activated (full area) with QE ~4.8%.
+
* New bialkali antimonide photocathode was activated (full area) with QE ~4.8%
  
  
* Gain switched diode laser at 1064 nm will be ready for installation next week (1064 nm, 50-70 ps Gaussian pulses, efficiency > 30%, 500 mW output, 400 MHz).
+
* Gain switched diode laser at 1066 nm is ready for installation this week (1066 nm, 50 ps Gaussian pulses, doubling efficiency > 30%, 1.5W output, 1497/4=374.25 MHz)
  
  
 
* Planned measurements:
 
* Planned measurements:
 +
# Commission harps
 +
# Map beam emittance vs spot location and laser size
 
# Measure beam magnetization (beam sizes and rotation angle) versus solenoid field from photocathode center and for two laser sizes
 
# Measure beam magnetization (beam sizes and rotation angle) versus solenoid field from photocathode center and for two laser sizes
# Map beam emittance vs spot location
 
 
# Measure lifetime at 5 mA with RF laser and solenoid magnet off/on
 
# Measure lifetime at 5 mA with RF laser and solenoid magnet off/on

Latest revision as of 11:24, 4 June 2018

  • Beamline bake is completed


  • New bialkali antimonide photocathode was activated (full area) with QE ~4.8%


  • Gain switched diode laser at 1066 nm is ready for installation this week (1066 nm, 50 ps Gaussian pulses, doubling efficiency > 30%, 1.5W 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