H* setup and THz discussion

Name: H* setup and THz discussion
Start: 2022-07-27T13:30:00+02:00
End: 2022-07-27T15:00:00+02:00
Location: No location set

Wednesday 27 Jul 2022, 13:30 → 15:00 Europe/Zurich

Description

https://cern.zoom.us/j/61669489432?pwd=UzlaU2tETlFUVVhRL0dwNkgwQXE4Zz09#success

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27/07/2022

Minutes:

Milestones achieved

THz sensor arrived

Zeonix lenses arrived

Hot wire lamp tested and output investigated with filters by Mai

Martin skimmer installed.

Longitudinal FI designed, installed and tested - no clear signal resulting from FI of hydrogen. We cannot trust the FI signal unless we know where it comes from - instead we decide to go for the C foil excitation to 2s then laser excitation to rydberg states.

Proton source constructed and tested at above 5kV.

Belkher switch tested.

Suggest that we measure the THz power as we add more PE films to better understand the THz spectral density.

Edmund optics lenses are very transparent below 1THz, JF could measure the transmission through the Plastic lenses.

We could buy bandpass filters for 3 THz from QMC.

See attached status reports for more details

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- 13:30 → 14:00
  
  Setup discussion
  
  Convener: Fredrik Olof Andre Parnefjord Gustafsson (Austrian Academy of Sciences (AT))
- 14:05 → 15:00
  
  THz discussion 55m

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H* setup and THz discussion