Ion-ripple laser

K. R. Chen, J. M. Dawson

Research output: Contribution to journalArticlepeer-review

59 Citations (Scopus)

Abstract

We present a new scheme, the ion-ripple laser, for generating tunable coherent radiation ranging from microwaves to the ultraviolet. A relativistic electron beam obliquely propagating through an ion ripple excites electromagnetic radiation which is coupled to a negative-energy electrostatic wave via backward Raman scattering. The radiation peaks at a resonance frequency of cos. We derive the fluid theory dispersion relation for wave coupling and estimate the nonlinear saturation level. A 1 2/2 D PIC simulation code is used to verify the theory and scaling laws.

Original languageEnglish
Pages (from-to)29-32
Number of pages4
JournalPhysical review letters
Volume68
Issue number1
DOIs
Publication statusPublished - 1992

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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