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Your search keyword '"Popov, Nikolay L."' showing total 10 results
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10 results on '"Popov, Nikolay L."'

1. Free space strange and unipolar EM pulses: yes or no?

Author

Popov, Nikolay L. and Vinogradov, Alexander V.

Subjects
Physics - Optics
Abstract

E.G. Bessonov suggested the time integrated strength of electric field $\int_{-\infty}^{\infty}E(r,t)dt=S_E(r)$ as a parameter to classify electromagnetic (EM) waves. Since then, this parameter has been studied and used in many works on microwave and laser physics, especially when it comes to unipolar, bipolar and few cycle EM pulses. In this paper, it is shown that $S_E(r)=0$ is an identity for a wide class of free space pulses of finite total energy. This property can be useful in various applications of few cycle radiation and as a benchmark in EM and QED computations.

Published
2021

7. Very-large-mode-area photonic bandgap Bragg fiber polarizing in a wide spectral range

Author

Aleshkina, Svetlana S., primary, Likhachev, Mikhail E., additional, Pryamikov, Andrey D., additional, Gaponov, Dmitry A., additional, Denisov, Alexandr N., additional, Bubnov, Mikhail M., additional, Salganskii, Mikhail Yu., additional, Laptev, Alexandr Yu., additional, Guryanov, Aleksei N., additional, Uspenskii, Yurii A., additional, Popov, Nikolay L., additional, and Février, Sébastien, additional

Published
2011
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9. Theoretical study of coherent reflection imaging at grazing angles

Author

Artyukov, Igor A., Mikhailov, Sergey I., Popov, Nikolay L., and Vinogradov, Alexander V.

Abstract

The theory of reflection image formation at coherent slant illumination is specified for the case of confined objects. The approach is based on the parabolic wave equation with a boundary condition posed on an object surface that is tilted in respect to the beam k-vector. The result is obtained in the form of a new propagation integral. 3D simulation of coherent reflection imaging at grazing angles of illumination in a lens optical scheme is performed and discussed.

Published
2011
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