EFFECT OF SPACE-CHARGE WAVE IN RAMAN FREE-ELEC-TRON LASERS | Zendy

Shi-Chang Zhang | Zendy

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EFFECT OF SPACE-CHARGE WAVE IN RAMAN FREE-ELEC-TRON LASERS

Author(s) -

Shi-Chang Zhang

Publication year - 1991

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.40.219

Subject(s) - space charge , physics , laser , atomic physics , electron , raman spectroscopy , space (punctuation) , dispersion relation , raman scattering , charge (physics) , optics , quantum mechanics , linguistics , philosophy

By making use of the parametric-amplif ier model, we analyse the effect of space-charge wave in Raman free-electron lasers. R esults show that without taking the initial transverse velocity into account, kwv20>ωc is a necessary condition under which the scattered wave couples with the slow space-charge wave. The dispersion relation and gain of the scattered wave, as well as the matching condition between the scattered wave and the space-charge wave, are derived.

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