A modular path length corrector for recirculating linacs

Hywel L. Owen, Peter H. Williams

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We present a novel modular magnetic system that can introduce a large and continuously variable path length difference without simultaneous variation of the longitudinal dispersion. This is achieved by using a combination of an electrically adjustable magnetic chicane and a mechanically adjustable focusing chicane. We describe how such a system may be made either isochronous or with a given longitudinal dispersion, and show that the nonlinear terms in such a system are relatively small. © 2011 Elsevier B.V. All rights reserved.
    Original languageEnglish
    Pages (from-to)12-20
    Number of pages8
    JournalNuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment
    Volume662
    Issue number1
    DOIs
    Publication statusPublished - 11 Jan 2012

    Keywords

    • Beam optics
    • Beam transport
    • Energy recovery linac
    • Free-electron laser
    • Recirculating linac
    • Recirculation

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