Determination of self generated magnetic field and the plasma density using Cotton Mouton polarimetry with two color probes
Laser Plasma Division, Raja Ramanna Centre for Advanced Technology, Indore 452 013, India
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Published online: 15 November 2013
Self generated magnetic fields (SGMF) in laser produced plasmas are conventionally determined by measuring the Faraday rotation angle of a linearly polarized laser probe beam passing through the plasma along with the interferogram for obtaining plasma density. In this paper, we propose a new method to obtain the plasma density and the SGMF distribution from two simultaneous measurements of Cotton Mouton polarimetry of two linearly polarized probe beams of different colors that pass through plasma in a direction normal to the planar target. It is shown that this technique allows us to determine the distribution of SGMF and the plasma density without doing interferometry of laser produced plasmas.
© Owned by the authors, published by EDP Sciences, 2013
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