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Structured beams in laser refractography

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Abstract

The main types of structured laser beams obtained using diffractive optical elements are presented. A new information and measuring technique—the laser refractography based on the application of structured radiation—is proposed for the quantitative diagnostics of inhomogeneous media. The relations for the analysis of geometrical-optical models and the refraction of structured beams in the boundary temperature layer are presented. A solution to the inverse problem based on the Abel transform is adapted to the flat beam in the case of a relatively strong refraction in a spherical inhomogeneous layer. The temperature profile of the layer is reconstructed using the refractograms of flat and cylindrical beams.

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Authors
  1. I. L. Raskovskaya
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Additional information

Original Russian Text © I.L. Raskovskaya, 2009, published in Radiotekhnika i Elektronika, 2009, Vol. 54, No. 12, pp. 1524–1531.

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Raskovskaya, I.L. Structured beams in laser refractography. J. Commun. Technol. Electron. 54, 1445–1452 (2009). https://doi.org/10.1134/S1064226909120146

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  • DOI: https://doi.org/10.1134/S1064226909120146

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