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Calculation of Self-Generated Magnetic Fields in Laser-Produced Plasmas

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Journal of Russian Laser Research Aims and scope

Abstract

We develop an interactive procedure for estimating the self-generated magnetic fields in laser-produced plasmas using MATLAB software. We use this procedure for analyzing the digital images recorded employing a three-channel polarointerferometer to estimate the self-generated magnetic fields. The three regions of an image recorded using the three-channel polarointerferometer contain all the required information in the form of Faraday rotation (polarimetry), spatial profile of the incident probe beam (shadowgraphy), and electron-plasma density (interferometry). The computer program displays different portions of the image and allows the user to track the interference fringes interactively and displays the calculated spatial profiles of the electron density and the magnetic fields. Using this program, we estimate magnetic fields of the order of 2–4 MG at electron densities ∼ 1017 cm−3 in an aluminum plasma. The program replaces many calculations that have to be done manually.

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Authors and Affiliations

  1. Raja Ramanna Centre for Advanced Technology, Indore, India

    Y. B. S. R. Prasad, S. Barnwal, P. A. Naik & P. D. Gupta

  2. Lebedev Physical Institute, Russian Academy of Sciences, Leninskii Prospect 53, Moscow, 119991, Russia

    E. A. Bolkhovitinov & A. A. Rupasov

Authors
  1. Y. B. S. R. Prasad
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  2. S. Barnwal
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  3. P. A. Naik
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  4. P. D. Gupta
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  5. E. A. Bolkhovitinov
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  6. A. A. Rupasov
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Corresponding author

Correspondence to A. A. Rupasov.

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Prasad, Y.B.S.R., Barnwal, S., Naik, P.A. et al. Calculation of Self-Generated Magnetic Fields in Laser-Produced Plasmas. J Russ Laser Res 36, 395–402 (2015). https://doi.org/10.1007/s10946-015-9516-x

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  • DOI: https://doi.org/10.1007/s10946-015-9516-x

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