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TOWARDS SUB-PICOSECOND ELECTRON BUNCHES: UPGRADING IDEAS FOR BESSY II ∗

J. Feikes, P. Kuske

Open publisher page 2 citations

Abstract

Sub-picosecond electron bunches are achieved with the BESSY low alpha optics and their lengths are measured [1]. The current in these short bunches is limited to the micro Ampere level, to avoid current dependent bunch lengthening. An upgrade of the BESSY II rf system is suggested to overcome this low current limitation by 2 orders of magnitude. Intense, picosecond bunches could then be achieved already at the regular user optics. The resulting short and very intense electron bunches are useful to generate short X-ray pulses and powerful THz radiation. Expected parameters of bunch length and current are discussed.

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What this paper is about

Sub-picosecond electron bunches are achieved with the BESSY low alpha optics and their lengths are measured [1]. The current in these short bunches is limited to the micro Ampere level, to avoid current dependent bunch lengthening. An upgrade of the BESSY II rf system is suggested to overcome this low current limitation by 2 orders of magnitude. Intense, picosecond bunches could then be achieved already at the regular user optics. The resulting short and very intense electron bunches are useful to generate short X-ray pulses and powerful THz radiation. Expected parameters of bunch length and current are discussed.

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Available abstract

Sub-picosecond electron bunches are achieved with the BESSY low alpha optics and their lengths are measured [1]. The current in these short bunches is limited to the micro Ampere level, to avoid current dependent bunch lengthening. An upgrade of the BESSY II rf system is suggested to overcome this low current limitation by 2 orders of magnitude. Intense, picosecond bunches could then be achieved already at the regular user optics. The resulting short and very intense electron bunches are useful to generate short X-ray pulses and powerful THz radiation. Expected parameters of bunch length and current are discussed.

Key concepts: Bunches, Picosecond, Electron, Upgrade, Physics, Optics, Current (fluid), Nuclear physics

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