Performance study of a soft X-ray harmonic generation FEL seeded with an EUV laser pulse
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Performance study of a soft X-ray harmonic generation FEL seeded with an EUV laser pulse

Abstract

The performance of a free electron laser (FEL) using a low-power extreme ultraviolet (EUV) pulse as an input seed is investigated. The parameters are appropriate for 30 nm seeds produced from high-power Ti:Sa pulses using high harmonic generation schemes. It is found that, for reasonable beam parameters, robust FEL performance can be obtained. Both time-independent and time-dependent simulations are performed for varying system parameters using the GENESIS simulation code. A comparison is made with a two-stage harmonic FEL that is seeded by a high-power Ti:Sa pulse.

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