GTS meeting 4 12 21

• Upgrade Glassman Gun PSS interlock chassis (Scott)
• Add vacuum interlock to HV supply (Scott)

Plan B: Install Spellman 225 kV power supply. Did not work because we could not establish remote communication - [1]
Plan C: Install spare Spellman 225 kV power supply ( 225 kV, 5 mA). Now at UITF, to be moved to GTS 

• Beamline - no bake of beamline: (Mamun and Bubba)
  • Replace YAG screens on Viewers 1, 2 and 3
  • Replace leaky right-angle valve
  • Check ion-trap Gun spool
  • Remove Deflecting Cavity and move TE_011 Cavity in its place

• Prep Chamber: (Mamun)- Completed [2]
  • Fix Transverse Manipulator
  • Fix Sb boat
  • Clean Sb pellets off chamber
  • Clean/check Bottom Heater
  • Add Cs for Robust Photocathode research
  • Clean/replace windows
  • Add pucks with Moly and GaAs (Robust Photocathode) substrates
  • Add Oxygen

Remove Cs/K source
Add K source

• Gun HV Chamber: (Carlos)
  • Replace Anode
  • Replace Pierce geometry
  • Upgrade anode HV bias feed-through to 5/10 (?) kV

• Laser: (Shukui)
  • Re-install 500 MHz green fiber laser
  • Install new pulse laser