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Abstrakty
A full dispersion relation obtained for free-electron laser by kinetic approach based on the method of characteristics in the presence of circularly polarized, periodic, static helical wiggler magnetic field and guide magnetic field incorporating the detailed relativistic particle trajectories is reduced to Raman regime approximations. The temporal and spatial growth rates are evaluated in microwave region. A detailed analysis has been done for temporal and spatial growth rates in Raman regime, especially for microwave region. The spatial growth rate is more than that of temporal growth. The results have been compared with available results obtained by other techniques.
Czasopismo
Rocznik
Tom
Strony
195--204
Opis fizyczny
Bibliogr. 14 poz.,
Twórcy
autor
- Central Mining Research Institute, Barwa Road, Dhanbad-826001, India
Bibliografia
- [1] Freund H.P., Davidson R.C., Johnston G.L., Linear theory of the collective Raman interaction in a free-electron laser with a planar wiggler and an axial guide field, Physics of Fluids B: Plasma Physics 2(2), 1990, pp. 427-35.
- [2] Bernstein I.B., Friedland L., Theory of the free-electron laser in combined helical pump and axial guide fields, Physical Review A 23(2), 1981, pp. 816-23.
- [3] Kwan T., Dawson J.M., Investigation of the free-electron laser with a guide magnetic field, Physics of Fluids 22(6), 1979, pp. 1089-103.
- [4] Uhm H.S., Davidson R.C., Theory ojfree-electron laser instability in a relativistic annular electron beam, Physics of Fluids 24(8), 1981, pp. 1541-52.
- [5] Yin Y.Z., Bekefi G., Dispersion characteristic of a free-electron laser with a linearly polarized Wiggler and axial guide field, Journal of Applied Physics 55(1), 1984, pp. 33—42.
- [6] Quian B.-L., Liu Y.-G., Li C.-L., Plasma loaded free-electron laser with an electromagnetic wave wiggler and axial guide field, Physics of Plasmas 1(12), 1994, pp. 4089-93.
- [7] Da vies J.A., Davidson R.C., Johnston G.L., Compton and Raman free-electron laser stability properties for cold electron beam propagating through a helical magnetic wiggler, Journal of Plasma Physics 33, 1985, pp. 387-423.
- [8] Davies J. A., Davidson R.C., Johnston G.L., Compton and Raman free-electron laser stability properties for warm electron beam propagating through a helical magnetic wiggler. Journal of Plasma Physics 37, 1987, 255-98.
- [9] Roberson C.W., Sprangle P., A review of free-electron laser, Physics of Fluids B: Plasma Physics 1(1), 1989, pp. 3-42.
- [10] Mishra P.K., Kinetic description of low gain free electron laser using Einstein coefficient method, Laser Physics 15(5), 2005, pp. 679-85.
- [11] Misra K..D., Mishra P.K., Generalized theory of free-electron laser in a helical wiggler and guide magnetic fields using kinetic approach, Physics of Plasmas 9(1), 2002, pp. 330-9.
- [12] Mishra P.K., A Comparative study of full dispersion relation, Compton dispersion relation and Raman dispersion relation of a free-electron laser in helical wiggler and guide magnetic fields, Laser Physics 16(7), 2006, pp. 1050-3.
- [13] Davidson R.C., An Introduction to the Physics of Nonneutral Plasmas, Addison-Wesley Publishing Company, Massachusetts 1990.
- [14] Demokan O., Kabak Y., Explicit expression for growth rates in free-electron laser with helical and axial magnetic fields, Physics of Fluids B: Plasma Physics 4(10), 1992, pp. 3382-9.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPW7-0007-0121