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VOLUME 24 (1976) | ISSUE 5 | PAGE 293
Laser-plasma diagnostics near one-quarter of the critical density
Results are presented of experimental measurements of the generation of the harmonic 3ω0/2 in spherical heating of hollow glass microspheres by intense neodymium-laser radiation. It is shown, on the basis of parametric-turbulence theory, that it is possible to determine the electron temperature and the characteristic dimension of the plasma inhomogeneity of the plasma in the region of one-quarter of the critical density from the spectrum and intensity of the 3ω0/2 harmonic.