Using a multimode laser in interferometry of ultrasmall phase inhomogeneities


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Abstract

We describe a method for measuring the concentration of low-density gas jets with the aid of a multibeam optical interferometer. Sensitivity with respect to optical thickness distortions achieved in experiments was on a level of λ/600. The proposed method is well suited for the calibration of gas targets used in experiments on laser–plasma interactions.

About the authors

A. A. Soloviev

Institute of Applied Physics

Email: kfb.iap@gmail.com
Russian Federation, Nizhny Novgorod, 603950

M. V. Starodubtsev

Institute of Applied Physics

Email: kfb.iap@gmail.com
Russian Federation, Nizhny Novgorod, 603950

K. F. Burdonov

Institute of Applied Physics

Author for correspondence.
Email: kfb.iap@gmail.com
Russian Federation, Nizhny Novgorod, 603950

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