Free-electron laser--electrostatic electron cyclotron resonance maser hybrids

Journal Article · Sun May 01 00:00:00 EDT 1988 · Phys. Fluids; (United States)

DOI:https://doi.org/10.1063/1.867017· OSTI ID:5386125

Shenggang, L; Zhengbiao, O

The free-electron laser (FEL)--electrostatic electron cyclotron resonance maser (EECRM) hybrids, a new kind of FEL comprised of a relativistic electron beam and an electrostatic centrifugal field, are presented and studied in this paper. In a fluid dynamical linear theory, the dispersion equation for transverse electromagnetic (TEM) mode operation is derived, analyzed, and numerically solved. It is found both analytically and numerically that FEL instability occurs near beam resonance ((..omega../sub l/-k/sub l/v/sub parallel/)/sup 2/-..omega../sup 2/ (..gamma../sup -2//sub parallel/ -..beta../sup 2//sub parallel/..beta../sup 2//sub perpendicular/phi-dot/sup 2//sub 0// ..cap omega../sup 2//sub l/) = 0). However, FEL instability near cyclotron resonance (..omega../sub s/-k/sub s/v/sub parallel/ = +- (2-..beta../sup 2//sub perpendicular/)/sup 1/2/phi-dot/sub 0/) is not found in the TEM mode analysis.

• Research Organization: Research Institute of High Energy Electronics, Chengdu Institute of Radio Engineering, Chengdu, Sichuan, People's Republic of China
• OSTI ID: 5386125
• Journal Information: Phys. Fluids; (United States), Vol. 31:5
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
FREE ELECTRON LASERS
INSTABILITY
ANALYTICAL SOLUTION
COULOMB FIELD
CYCLOTRON RESONANCE
DISPERSION RELATIONS
DYNAMICS
ELECTROMAGNETIC RADIATION
FLUIDS
MASERS
NUMERICAL SOLUTION
AMPLIFIERS
ELECTRIC FIELDS
ELECTRONIC EQUIPMENT
EQUIPMENT
LASERS
MECHANICS
MICROWAVE AMPLIFIERS
MICROWAVE EQUIPMENT
RADIATIONS
RESONANCE
420300* - Engineering- Lasers- (-1989)