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Optica Publishing Group
  • International Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 1986),
  • paper WGG22

Theoretical study of the caviton laser: a broadband radiation source

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Abstract

Injection of relativistic electron beams into a plasma with a nominal beam-to-plasma density ratio in the 0.1-2.0 range has resulted in high- power broadband microwave emission.1,2 Besides its intrinsic scientific value, the scheme has a number of potential applications. A theoretical model is presented based on the generation of cavitons, local depressions in the ion density during beam-plasma interactions.3,4 This model accounts well for the experimentally observed radiation power and spectrum. It is similar to models of the tree-electron laser with the exception that the electrostatic field of the cavitons plays the role of an externally imposed wiggler field.

© 1986 Optical Society of America

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