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Self-focusing of short intense pulses in plasmas
Abstract
The self-focusing of relativistically intense laser light pulses is analyzed, where the pulse length is short enough that ion inertia prevents any significant motion of ions. Self-focusing occurs as a result of an increase of the wave refractive index arising from two effects: the mass increase of electrons caused by their relativistic quiver velocity in the light wave, and the reduction of the electron density as a result of ponderomotive force expulsion of the electrons. The latter effect is significant even for rather small values of (P−PL)/PL, where P is the laser beam power and PL is the critical power above which self-focusing occurs. In fact, for (P−PL)/PL≳0.1 the effect is so strong that all electrons are expelled within a core radial region of the self-focused laser light channel (this new phenomenon is called electron cavitation).
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Citations
Cited by
Overview of plasma-based accelerator concepts
Esarey, E., Sprangle, P., Krall, J., & Ting, A. (1996) · IEEE Transactions on Plasma Science · doi:10.1109/27.509991 · Cited by 1,238
Self-focusing and guiding of short laser pulses in ionizing gases and plasmas
Esarey, E., Sprangle, P., Krall, J., & Ting, A. (1997) · IEEE Journal of Quantum Electronics · doi:10.1109/3.641305 · Cited by 500
Propagation and guiding of intense laser pulses in plasmas
Sprangle, P., Esarey, E., Krall, J., & Joyce, G. (1992) · Physical Review Letters · doi:10.1103/physrevlett.69.2200 · Cited by 464
Envelope analysis of intense laser pulse self-modulation in plasmas
Esarey, E., Krall, J., & Sprangle, P. (1994) · Physical Review Letters · doi:10.1103/physrevlett.72.2887 · Cited by 211
Plasma guiding and wakefield generation for second-generation experiments
Leemans, W. P., Siders, C. W., Esarey, E., Andreev, N. E., Shvets, G., & Mori, W. B. (1996) · IEEE Transactions on Plasma Science · doi:10.1109/27.509997 · Cited by 83
Metadata
- Authors
- Sun, G.-Z., Ott, E., Lee, Y. C., & Guzdar, P.
- Venue
- The Physics of Fluids
- Publisher
- AIP Publishing
- Published
- 1987-02-01
- Volume
- 30
- Issue
- 2
- Pages
- 526-532
- ISSN
- 0031-9171 (ISSN-L)
- OpenAlex
- W2007286141
- Cited by
- 695
- References
- 0
- FWCI
- 4.58
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Self-focusing of short intense pulses in plasmas. https://app.cochat.ai/papers/10.1063/1.866349
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- Sun, G.-Z., Ott, E., Lee, Y. C., & Guzdar, P. (1987). Self-focusing of short intense pulses in plasmas. The Physics of Fluids. https://doi.org/10.1063/1.866349
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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