Microwave radiation from a high-gain free-electron laser amplifier

Orzechowski, T. J.; Anderson, B.; Fawley, W.M.; Prosnitz, D.; Scharlemann, E.T.; Yarema, S. Ya.; Hopkins, D.B.; Paul, A.C.; Sessler, Andrew M.; Wurtele, J. S.

doi:10.1103/physrevlett.54.889

Cited by 227 publications

(47 citation statements)

References 9 publications

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“…The first experimental results on SASE were obtained in the microwave region 25 , with gains of the order of 10 6 -10 7 . Over the last couple of years, experiments in the infrared and visible region obtained gains of one to two orders of magnitude 26 and, more recently, a gain of 3x10 5 was obtained at 12 µm 27 .…”

Section: Experimental Studies Of Sase-felsmentioning

confidence: 99%

The LCLS X-Ray FEL at SLAC

Cornacchia¹

1999

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The design status and R&D plan of a 1.5 Å SASE-FEL at SLAC, called the Linac Coherent Light Source (LCLS), are described. The LCLS utilizes one third of the SLAC linac for the acceleration of electrons to about 15 GeV. The FEL radiation is produced in a long undulator and is directed to an experimental area for its utilization. The LCLS is designed to produce 300 fsec long radiation pulses at the wavelength of 1.5 Å with 9 GW peak power. This radiation has much higher brightness and coherence, as well as shorter pulses, than present 3 rd generation sources. It is shown that such leap in performance is now within reach, and is made possible by the advances in the physics and technology of photo-injectors, linear accelerators, insertion devices and free-electron lasers.

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Section: Experimental Studies Of Sase-felsmentioning

confidence: 99%

The LCLS X-Ray FEL at SLAC

Cornacchia¹

1999

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“…[The values of yo and $, in figures 9 and 10 correspond to parameters cited by Orzechowski, et al, (1985). The value of Gj corresponds to a beam current of 1000A instead of the 500A cited by these authors.]…”

Section: Coupled Longitudinal Oscillationsmentioning

confidence: 99%

Compton and Raman free electron laser stability properties for a warm electron beam propagating through a helical magnetic wiggler

1987

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This paper gives an extensive analytical and numerical characterization of the growth rate curves (imaginary frequency versus wavenumber) derived from the free electron laser dispersion relation for a warm relativistic electron beam propagating through a constantamplitude helical magnetic wiggler field. The electron beam is treated as infinite in transverse extent. A detailed mathematical analysis is given of the exact dispersion relation and its Compton approximation for the case of a waterbag equilibrium distribution function (uniform distribution in axial momentum pz). Applicability of the waterbag results to the case of a Gaussian equilibrium distribution in p. is tested numerically. One result of the waterbag analysis is a set of validity conditions for the Compton approximation. Numerical and analytical results indicate that these conditions are applicable to the Gaussian case far outside the parameter range where the individual waterbag and corresponding Gaussian growth rate curves agree. 9)

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“…Many Free-Electron Laser experiments have confirmed the SASE FEL principle down to a wavelength of 80 nm [1]- [10]. For those experiments and the future X-ray FEL projects at LCLS [11] and TESLA [12] a good electron beam quality is essential for optimal performance.…”

Section: Introductionmentioning

confidence: 99%

Start-to-end simulation for the LCLS X-ray FEL

Reiche

Pellegrini

Rosenzweig

et al. 2002

Nuclear Instruments and Methods in Physics Research Section A:

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X-ray FELs, such as the LCLS and TESLA FEL, require electron beams with large peak current and very small emittance. The X-ray peak power, temporal and spectral properties, depend significantly on details of the electron beam phase space distribution. The electron beam distribution is determined by many effects, as the emission process at the gun photo-cathode, bunch compression, acceleration and wakefields within the undulator. Although analytical results can give an estimate of the expected performance, the complexity of the electron beam generation, acceleration and compression can only be evaluated using a numerical simulation of all these processes, a start-to-end simulation. In this presentation we discuss the LCLS X-Ray FEL performance estimated by a start-to-end simulation, and we compare the results with those obtained using a simpler model.

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Microwave radiation from a high-gain free-electron laser amplifier

Cited by 227 publications

References 9 publications

The LCLS X-Ray FEL at SLAC

The LCLS X-Ray FEL at SLAC

Compton and Raman free electron laser stability properties for a warm electron beam propagating through a helical magnetic wiggler

Start-to-end simulation for the LCLS X-ray FEL

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