High Brightness Electron Beam Diagnostics and their ... - CASA

Golay Cell Output Signal (Volts) Golay Cell Output Signal (Volts)
4
3.5
3
2.5
2
1.5
1
−400 −300 −200 −100 0 100 200 300 400
4
3.5
Figure5.15:FinescanofthecentralpartoftheinterferogrampresentedinFig.5.14(A).The
3
experimentalinterferogram(circle)iscomparedwithaninterferogramgeneratedfromagaussian distribution(solidline)andasquaredistribution(dashline)bothofthesedistributionhavethe sameFWHM(A).Theinterferogramiscomparedwithaninterferogramofthesumofasquare
2.5
andgaussiandistributionbothhavingaFWHMof110m(B).Thebaselineis2.7V.
2
1.5
1
−400 −300 −200 −100 0 100 200 300 400
Mirror Displacement (microns)
(A)
(B)