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Details van artikel 12 van 44 gevonden artikelen
| Titel: |
Combined wiggler and solenoidal field effects in free electron laser and electron cyclotron maser |
| Auteur: |
Kho, T. H. Lin, A. T. |
| Verschenen in: |
International journal of electronics |
| Paginering: | Jaargang 65 (1988) nr. 3 pagina's 513-528 |
| Jaar: |
1988-09-01 |
| Inhoud: |
In many free electron laser (FEL) experiments, to transport kA current through the wiggler, an axial guide magnetic field must be imposed in addition to the wiggler. The combined effect of a helical wiggler and a solenoidal field on electron-wave interaction is studied with computer simulations. It is found that a 'hybrid' FEL-cyclotron instability can occur at a modified second harmonic FEL resonance. High efficiency has been obtained with this instability. The cyclotron maser instability, at the Doppler-shifted electron cyclotron resonance, will occur only if the electron beam possesses a DC transverse momentum. In this case, the perturbing effects of the wiggler can be used to enhance the gain and efficiency in the Doppler-shifted autoresonance regime. 3-D simulation results of these effects, in waveguide configuration, will be described |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 12 van 44 gevonden artikelen
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