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A method to measure the electron temperature and density of a laser-produced plasma by Raman scattering

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6 Author(s)
Jang, H. ; Department of Physics, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea ; Hur, M.S. ; Lee, J.M. ; Cho, M.H.
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A method is proposed to investigate the electron temperature and density of a laser-produced plasma simultaneously, using the temperature dependence difference of the Raman forward scattering (RFS) and backward scattering (RBS). Density and temperature dependence of spectra from the RBS and the RFS in a laser produced plasma were investigated by one-dimensional particle-in-cell simulations in the nonrelativistic regime. This technique has a great advantage as a simple diagnostic of plasma characteristics in the sense that it can be performed only with the pump laser, without any additional probe laser.

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Applied Physics Letters  (Volume:93 ,  Issue: 7 )