On the material response in stimulated Brillouin scattering

Valeri I. Kovalev; Robert G. Harrison

doi:10.1016/j.physleta.2011.05.030

On the material response in stimulated Brillouin scattering

Valeri I. Kovalev, Robert G. Harrison

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

We re-examine behavior of the material response in stimulated Brillouin scattering and from this revise its theoretical formalism. We show that the response out of exact Brillouin resonance splits into two processes: one is the induction of a moving density grating, propagation characteristics of which follow these of the beat pattern of pump and Stokes fields, and the other is the induction of an acoustic wave, frequency of which coincides with that of the beat pattern but which propagates at the acoustic velocity in the medium. The resulting equations for the response amplitudes are solved analytically in several representative cases. © 2011 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	2581-2584
Number of pages	4
Journal	Physics Letters A
Volume	375
Issue number	26
DOIs	https://doi.org/10.1016/j.physleta.2011.05.030
Publication status	Published - 27 Jun 2011

Keywords

Acoustic wave equation
Moving grating
Stimulated Brillouin scattering

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10.1016/j.physleta.2011.05.030

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AU - Kovalev, Valeri I.

AU - Harrison, Robert G.

PY - 2011/6/27

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N2 - We re-examine behavior of the material response in stimulated Brillouin scattering and from this revise its theoretical formalism. We show that the response out of exact Brillouin resonance splits into two processes: one is the induction of a moving density grating, propagation characteristics of which follow these of the beat pattern of pump and Stokes fields, and the other is the induction of an acoustic wave, frequency of which coincides with that of the beat pattern but which propagates at the acoustic velocity in the medium. The resulting equations for the response amplitudes are solved analytically in several representative cases. © 2011 Elsevier B.V. All rights reserved.

AB - We re-examine behavior of the material response in stimulated Brillouin scattering and from this revise its theoretical formalism. We show that the response out of exact Brillouin resonance splits into two processes: one is the induction of a moving density grating, propagation characteristics of which follow these of the beat pattern of pump and Stokes fields, and the other is the induction of an acoustic wave, frequency of which coincides with that of the beat pattern but which propagates at the acoustic velocity in the medium. The resulting equations for the response amplitudes are solved analytically in several representative cases. © 2011 Elsevier B.V. All rights reserved.

KW - Acoustic wave equation

KW - Moving grating

KW - Stimulated Brillouin scattering

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U2 - 10.1016/j.physleta.2011.05.030

DO - 10.1016/j.physleta.2011.05.030

M3 - Article

SN - 0375-9601

VL - 375

SP - 2581

EP - 2584

JO - Physics Letters A

JF - Physics Letters A

IS - 26

ER -

On the material response in stimulated Brillouin scattering

Abstract

Keywords

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