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Back scattering of ultra short high intensity laser pulses from solid targets at oblique incidence. / Andreev, A. A.; Platonov, K. Y.; Salomaa, R. R.E.

In: Proceedings of SPIE- The International Society for Optical Engineering, Vol. 4352, 2001, p. 161-174.

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

Harvard

Andreev, AA, Platonov, KY & Salomaa, RRE 2001, 'Back scattering of ultra short high intensity laser pulses from solid targets at oblique incidence', Proceedings of SPIE- The International Society for Optical Engineering, vol. 4352, pp. 161-174. https://doi.org/10.1117/12.418795

APA

Andreev, A. A., Platonov, K. Y., & Salomaa, R. R. E. (2001). Back scattering of ultra short high intensity laser pulses from solid targets at oblique incidence. Proceedings of SPIE- The International Society for Optical Engineering, 4352, 161-174. https://doi.org/10.1117/12.418795

Vancouver

Andreev AA, Platonov KY, Salomaa RRE. Back scattering of ultra short high intensity laser pulses from solid targets at oblique incidence. Proceedings of SPIE- The International Society for Optical Engineering. 2001;4352:161-174. https://doi.org/10.1117/12.418795

Author

Andreev, A. A. ; Platonov, K. Y. ; Salomaa, R. R.E. / Back scattering of ultra short high intensity laser pulses from solid targets at oblique incidence. In: Proceedings of SPIE- The International Society for Optical Engineering. 2001 ; Vol. 4352. pp. 161-174.

BibTeX

@article{c52ecfdda8784fd4b6e4806733c89693,
title = "Back scattering of ultra short high intensity laser pulses from solid targets at oblique incidence",
abstract = "Back reflection of short, intense laser pulses at oblique incidence on solid targets is explained with a model where a periodic electron density modulation acts as a diffraction grating. The pump and reflected electromagnetic waves drive through the ponderomotive force the grating and the overall system becomes parametrically unstable. The basic equations governing this system are given. A linearized stability analysis yields the instability growth rate for a homogeneous plasma and the convective gain coefficients for the inhomogeneous case. The results support the feasibility of the suggested mechanism. An absolute instability is predicted to set on a typical threshold intensity 1016 W/cm2, laser pulse length 100 fs, and spot size 30 μm. The instability is shown to saturate at a level of a few percent, because the higher harmonics in the electron density modulation turn the diffraction more diffuse thus reducing both the sustaining ponderomotive force and the back reflection coefficient.",
author = "Andreev, {A. A.} and Platonov, {K. Y.} and Salomaa, {R. R.E.}",
year = "2001",
doi = "10.1117/12.418795",
language = "English",
volume = "4352",
pages = "161--174",
journal = "Proceedings of SPIE - The International Society for Optical Engineering",
issn = "0277-786X",
publisher = "SPIE",

}

RIS

TY - JOUR

T1 - Back scattering of ultra short high intensity laser pulses from solid targets at oblique incidence

AU - Andreev, A. A.

AU - Platonov, K. Y.

AU - Salomaa, R. R.E.

PY - 2001

Y1 - 2001

N2 - Back reflection of short, intense laser pulses at oblique incidence on solid targets is explained with a model where a periodic electron density modulation acts as a diffraction grating. The pump and reflected electromagnetic waves drive through the ponderomotive force the grating and the overall system becomes parametrically unstable. The basic equations governing this system are given. A linearized stability analysis yields the instability growth rate for a homogeneous plasma and the convective gain coefficients for the inhomogeneous case. The results support the feasibility of the suggested mechanism. An absolute instability is predicted to set on a typical threshold intensity 1016 W/cm2, laser pulse length 100 fs, and spot size 30 μm. The instability is shown to saturate at a level of a few percent, because the higher harmonics in the electron density modulation turn the diffraction more diffuse thus reducing both the sustaining ponderomotive force and the back reflection coefficient.

AB - Back reflection of short, intense laser pulses at oblique incidence on solid targets is explained with a model where a periodic electron density modulation acts as a diffraction grating. The pump and reflected electromagnetic waves drive through the ponderomotive force the grating and the overall system becomes parametrically unstable. The basic equations governing this system are given. A linearized stability analysis yields the instability growth rate for a homogeneous plasma and the convective gain coefficients for the inhomogeneous case. The results support the feasibility of the suggested mechanism. An absolute instability is predicted to set on a typical threshold intensity 1016 W/cm2, laser pulse length 100 fs, and spot size 30 μm. The instability is shown to saturate at a level of a few percent, because the higher harmonics in the electron density modulation turn the diffraction more diffuse thus reducing both the sustaining ponderomotive force and the back reflection coefficient.

UR - http://www.scopus.com/inward/record.url?scp=0034980219&partnerID=8YFLogxK

U2 - 10.1117/12.418795

DO - 10.1117/12.418795

M3 - Article

AN - SCOPUS:0034980219

VL - 4352

SP - 161

EP - 174

JO - Proceedings of SPIE - The International Society for Optical Engineering

JF - Proceedings of SPIE - The International Society for Optical Engineering

SN - 0277-786X

ER -

ID: 86385116