Forced Raman scattering in air by a two-frequency laser beam

A. E. Dangor; A. K L Dymoke-Bradshaw; A. Dyson; T. Garvey; S. J. Karttunen; J. P. Partanen; R. R. E. Salomaa; A. J. Cole; C. Danson; C. B. Edwards; R. G. Evans

doi:10.1088/0953-4075/22/5/010

Forced Raman scattering in air by a two-frequency laser beam

A. E. Dangor^*, A. K L Dymoke-Bradshaw, A. Dyson, T. Garvey, S. J. Karttunen, J. P. Partanen, R. R. E. Salomaa, A. J. Cole, C. Danson, C. B. Edwards, R. G. Evans

^*Corresponding author for this work

Department of Applied Physics

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

8 Citations (Scopus)

Abstract

Stimulated Raman scattering in atmospheric nitrogen has been observed using two copropagating high power laser beams at 1.064 mu m and 1.053 mu m from a neodymium glass laser. This is due to the near coincidence of the beat frequency at 98.2 cm^-1 with a rotational line of nitrogen (transition between J=11 and J=13) at 99 cm^-1. The beams were of total intensity 6*10⁹ W cm^-2 and had a common air path of approximately=30 m. Large amplitude Stokes and anti-Stokes sidebands up to one half the pump beam intensity were generated. The observations are compared with a theoretical treatment of the interaction.

Original language	English
Article number	010
Pages (from-to)	797-805
Number of pages	9
Journal	Journal of Physics B: Atomic Molecular and Optical Physics
Volume	22
Issue number	5
DOIs	https://doi.org/10.1088/0953-4075/22/5/010
Publication status	Published - 1989
MoE publication type	A1 Journal article-refereed

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Dangor, A. E., Dymoke-Bradshaw, A. K. L., Dyson, A., Garvey, T., Karttunen, S. J., Partanen, J. P., Salomaa, R. R. E., Cole, A. J., Danson, C., Edwards, C. B., & Evans, R. G. (1989). Forced Raman scattering in air by a two-frequency laser beam. Journal of Physics B: Atomic Molecular and Optical Physics, 22(5), 797-805. Article 010. https://doi.org/10.1088/0953-4075/22/5/010

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abstract = "Stimulated Raman scattering in atmospheric nitrogen has been observed using two copropagating high power laser beams at 1.064 mu m and 1.053 mu m from a neodymium glass laser. This is due to the near coincidence of the beat frequency at 98.2 cm-1 with a rotational line of nitrogen (transition between J=11 and J=13) at 99 cm-1. The beams were of total intensity 6*109 W cm-2 and had a common air path of approximately=30 m. Large amplitude Stokes and anti-Stokes sidebands up to one half the pump beam intensity were generated. The observations are compared with a theoretical treatment of the interaction.",

author = "Dangor, {A. E.} and Dymoke-Bradshaw, {A. K L} and A. Dyson and T. Garvey and Karttunen, {S. J.} and Partanen, {J. P.} and Salomaa, {R. R. E.} and Cole, {A. J.} and C. Danson and Edwards, {C. B.} and Evans, {R. G.}",

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T1 - Forced Raman scattering in air by a two-frequency laser beam

AU - Dangor, A. E.

AU - Dymoke-Bradshaw, A. K L

AU - Dyson, A.

AU - Garvey, T.

AU - Karttunen, S. J.

AU - Partanen, J. P.

AU - Salomaa, R. R. E.

AU - Cole, A. J.

AU - Danson, C.

AU - Edwards, C. B.

AU - Evans, R. G.

PY - 1989

Y1 - 1989

N2 - Stimulated Raman scattering in atmospheric nitrogen has been observed using two copropagating high power laser beams at 1.064 mu m and 1.053 mu m from a neodymium glass laser. This is due to the near coincidence of the beat frequency at 98.2 cm-1 with a rotational line of nitrogen (transition between J=11 and J=13) at 99 cm-1. The beams were of total intensity 6*109 W cm-2 and had a common air path of approximately=30 m. Large amplitude Stokes and anti-Stokes sidebands up to one half the pump beam intensity were generated. The observations are compared with a theoretical treatment of the interaction.

AB - Stimulated Raman scattering in atmospheric nitrogen has been observed using two copropagating high power laser beams at 1.064 mu m and 1.053 mu m from a neodymium glass laser. This is due to the near coincidence of the beat frequency at 98.2 cm-1 with a rotational line of nitrogen (transition between J=11 and J=13) at 99 cm-1. The beams were of total intensity 6*109 W cm-2 and had a common air path of approximately=30 m. Large amplitude Stokes and anti-Stokes sidebands up to one half the pump beam intensity were generated. The observations are compared with a theoretical treatment of the interaction.

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DO - 10.1088/0953-4075/22/5/010

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AN - SCOPUS:3843061000

SN - 0953-4075

VL - 22

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JO - Journal of Physics B: Atomic Molecular and Optical Physics

JF - Journal of Physics B: Atomic Molecular and Optical Physics

IS - 5

M1 - 010

ER -

Forced Raman scattering in air by a two-frequency laser beam

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