New Resonators for 2-Stage Fels
Instruments & Instrumentation; Nuclear Science & Technology; Physics, ; Particles & Fields; Spectroscopy
In a convenient resonator for a two-stage FEL, the cross section is smaller at the second stage than at the first in order to increase the intensity of the pump wave interacting with the electrons. Also, a flared shape is used to decrease mirror loading. By shaping the flares in the form of hyperboloids, the field configurations can be obtained, checking that mode conversion does not become a problem. Use is made of an oblate spheroidal geometry and a perturbation expansion for the wave equation solutions.
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment
Kimel, I., Elias, R. (1992). New Resonators for 2-Stage Fels. Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 318(1-3).
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