Octopole correction of geometric aberrations for high-current heavy-ion fusion beams
Conference
·
OSTI ID:6355883
The success of heavy-ion fusion depends critically on the ability to focus heavy-ion beams to millimeter-size spots. Third-order geometric aberrations caused by fringe fields of the final focusing quadrupoles can significantly distort the focal spot size calculated by first-order theory. We present a method to calculate the locations and strengths of the octopoles that are needed to correct these aberrations. Calculation indicates that the strengths of the octopoles are substantially less than that of the final focusing quadrupoles. 9 refs., 1 fig.
- Research Organization:
- Lawrence Livermore National Lab., CA (USA)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 6355883
- Report Number(s):
- UCRL-99631; CONF-890335-54; ON: DE89009906; TRN: 89-011071
- Resource Relation:
- Conference: 13. particle accelerator conference, Chicago, IL, USA, 20 Mar 1989; Other Information: Paper copy only, copy does not permit microfiche production
- Country of Publication:
- United States
- Language:
- English
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