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magnets [2013/10/17 21:20]
pereira
magnets [2013/10/17 21:24]
pereira
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 ===== Spectrograph Sextupole ===== ===== Spectrograph Sextupole =====
-The only high-order magnet included in the S800 is a sextupole coil installed around the bore tube of the second quadrupole in the [[Magnets#Spectrograph Quadrupole Double|quadrupole-doublet]] of the spectrograph. The purpose of this element is to correct the broadening of the beam at the focal plane due to the dominant (x|2) aberration. This defines a narrower trajectory of the beam, allowing the use of a beam blocker at the focal plane to block the unreacted beam when its magnetic rigidity is close to the tuned setting. +The only high-order magnet included in the S800 is a sextupole coil ((Ref. to Thesis sextupole)) installed around the bore tube of the second quadrupole in the [[Magnets#Spectrograph Quadrupole Double|quadrupole-doublet]] of the spectrograph. The purpose of this element is to correct the broadening of the beam at the focal plane due to the dominant (x|b<sup>2</sup>) aberration. This defines a narrower trajectory of the beam, allowing the use of a [[beam blocker]] at the focal plane to block the unreacted beam when its magnetic rigidity is close to the tuned setting. 
  
  
magnets.txt · Last modified: 2013/12/29 16:43 by pereira