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Short wavelength regenerative amplifier free electron lasers

Dunning, D.J. and McNeil, B W J and Thompson, N.R. (2008) Short wavelength regenerative amplifier free electron lasers. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 593 (1-2). pp. 116-119. ISSN 0168-9002

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Abstract

In this paper we discuss extending the operating wavelength range of tunable Regenerative Amplifier FELs to shorter wavelengths than current design proposals, notably into the XUV regions of the spectrum and beyond where the reflectivity of broadband optics is very low. Simulation studies are presented which demonstrate the development of good temporal coherence in generic systems with a broadband radiation feedback of less than one part in ten thousand.