Spectral dynamics of spatially incoherent bump-on-tail instability

Dmitry V. Dylov; Jason W. Fleischer

doi:10.1364/OL.34.002673

Spectral dynamics of spatially incoherent bump-on-tail instability

Dmitry V. Dylov, Jason W. Fleischer

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

4 Scopus citations

Abstract

We examine an all-optical bump-on-tail instability by considering the nonlinear interaction of two partially incoherent spatial beams. Using a radiation transport approach, we develop plasmalike dispersion relations for perturbation modes and show that a positive gradient in the power spectrum can trigger instability. Theoretical considerations are confirmed by experiment and numerical simulation.

Original language	English (US)
Pages (from-to)	2673-2675
Number of pages	3
Journal	Optics Letters
Volume	34
Issue number	17
DOIs	https://doi.org/10.1364/OL.34.002673
State	Published - Sep 1 2009

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OL.34.002673

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title = "Spectral dynamics of spatially incoherent bump-on-tail instability",

abstract = "We examine an all-optical bump-on-tail instability by considering the nonlinear interaction of two partially incoherent spatial beams. Using a radiation transport approach, we develop plasmalike dispersion relations for perturbation modes and show that a positive gradient in the power spectrum can trigger instability. Theoretical considerations are confirmed by experiment and numerical simulation.",

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AB - We examine an all-optical bump-on-tail instability by considering the nonlinear interaction of two partially incoherent spatial beams. Using a radiation transport approach, we develop plasmalike dispersion relations for perturbation modes and show that a positive gradient in the power spectrum can trigger instability. Theoretical considerations are confirmed by experiment and numerical simulation.

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JF - Optics Letters

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Spectral dynamics of spatially incoherent bump-on-tail instability

Abstract

All Science Journal Classification (ASJC) codes

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