A Soft X-Ray Free Electron Laser (FEL) Using A Two-Beam Elliptical Pill-Box Wake-Field Cavity

S H Kim; K W Chen

doi:10.1117/12.943882

27 April 1988 A Soft X-Ray Free Electron Laser (FEL) Using A Two-Beam Elliptical Pill-Box Wake-Field Cavity

S H Kim, K W Chen

Proceedings Volume 0875, Short and Ultrashort Wavelength Lasers; (1988) https://doi.org/10.1117/12.943882
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

Stimulated bremsstrahlung in an undulating electric field in the lasing beam direction (electric wiggler) was shown to be possible from the quantum-mechanical viewpoint. Herein, this possibility is scrutinized from the viewpoint of classical electrodynamics. It is found that if stimulated bremsstrahlung in a transverse undulating magnetic field (magnetic wiggler) occurs, stimulated bremsstrahlung in the electric wiggler must also occur. We further show that a free electron laser (FEL) using a magnetic wiggler to provide a catalyzer field for stimulated bremsstrahlung cannot serve as a practical FEL operating in the soft x-ray region from both theoretical and experimental viewpoints. On the other hand, we demonstrate that the FEL using a traveling wake field in a two-beam elliptical pill-box cavity is well suited as a source of coherent radiation in the soft x-ray region.

Citation Download Citation

S H Kim and K W Chen "A Soft X-Ray Free Electron Laser (FEL) Using A Two-Beam Elliptical Pill-Box Wake-Field Cavity", Proc. SPIE 0875, Short and Ultrashort Wavelength Lasers, (27 April 1988); https://doi.org/10.1117/12.943882

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