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A magnetic solenoid that rotates and focusses the beam
4 S(OLENOID) L(ENS)
<effective length in meter>
<B0 in T inside the solenoid>
<aperture radius in meter> ;
The lens effect of a solenoid comes only in combination with its fringing fields.
4 F(RINGING) F(IELD) <table#>
[example: F F 0 ;
S L 1.0 4.0 0.05 ;
F F 0 ;]
The solenoid fringing fields are not implemented in the standard tables, yet.
KPII
1999-10-20