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Article
Rectangular pulse formation in a laser harmonic generation
In a harmonic generation process the temporal profile of the up-converted pulse undergoes significative changes depending on the input profile and crystal length. A simple theoretical treatment and the corresp...
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Article
A tunable bragg cavity for an efficient millimeter FEL driven by electrostatic accelerators
A comparison between three possible cavity configurations, the confocal cavity, the ring cavity and the Bragg cavity is presented for a millimeter FEL set within the high voltage head of an electrostatic accel...
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Article
Design of a continuous-wave free-electron laser experiment using an electrostatic accelerator with very high recovery efficiency of the electron beam
In this paper the free-electron laser (FEL) experiment SEAFEL in progress at the Legnaro (Padova) INFN laboratory is presented. The accelerator characteristics and FEL parameters are discussed. The laser could...
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Article
Inhomogeneous broadening effects in Optical Klystrons operating with accelerating devices without radiative dam**
In this letter paper we analyse the effect of electron-beam qualities (namely, energy spread and emittances) on both spontaneous emission and gain of an Optical Klystron (OK).
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Article
Small-signal gain of Free Electron Laser in a resonator Gaussian mode
We present an analytical expression for the small-signal gain of a Free Electron Laser (FEL) in the presence of a Gaussian mode. To describe the electron beam evolution we use the one-dimensional (1-d) Vlasov ...