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Resonant suppression and feedback control of anomalous induced backscattering by the pump frequency modulation

V I Arkhipenko1, E Z Gusakov2, L V Simonchik1 and F M Truhachev1

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The possibility of induced backscattering parametric decay instability resonant suppression by harmonic pump frequency modulation is demonstrated experimentally. It is shown that the pump anomalous reflection is strongly reduced at the modulation frequency equal to the difference of the decay instability eigen frequencies. The parametric instability feedback control method is proposed based on this effect.


PACS

41.20.Jb Electromagnetic wave propagation; radiowave propagation

42.25.Bs Wave propagation, transmission and absorption

42.25.Gy Edge and boundary effects; reflection and refraction

28.52.Cx Fueling, heating and ignition

Subjects

Accelerators, beams and electromagnetism

Nuclear physics

Optics, quantum optics and lasers

Plasma physics

Dates

Issue 12 (December 2009)

Received 22 July 2009, in final form 18 September 2009

Published 29 October 2009



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