Observation of enhanced plasma waves by laser scattering

Irisawa, J.; Ng, K H

doi:10.1016/0375-9601(71)90507-x

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1982

2011

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Cited by 13 publications

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“…Recently, CHURCHLAND and NODWELL (1 971) observed anomalous satellites on the scattered spectrum from a carbon arc; they were located a i the plasma frequency, at a half, and possibly at one quarter of the plasma frequency. JOHN et al (1971) observed an anomaly in the scattered light spectrum from a 0-pinch attributed to an enhanced electrostatic plasma wave.…”

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confidence: 95%

Stability of compensation regimes for nonlinear distortions of beams with any polarization

Bolshov¹,

Vlasov²,

Persiantsev³

1982

Sov. J. Quantum Electron.

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The plasma produced in an "hour glass" shaped discharge tube has been used as a scattering medium for the light of a ruby laser. The scattered light was observed in varions conditions. The values of the scattering parameter cc = lilkl D ranged from 0.9 to 1.3.The shapes of the spectra obtained for a helium plasma are in very good agreement with those predicted by the theory of light scattering by a plasma in thermal equilibrium. No anomalies, in particular no satellites related to the plasma frequency have been observed. The intensity of the central h e or ion feature compared with the rest of the spectrum gives the predicted ratio as we!], both for a helium or hydrogen plasma.

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confidence: 95%