电子晕对微波范围内固体粒子散射特性的影响

IF 0.9 Q4 OPTICS Atmospheric and Oceanic Optics Pub Date : 2024-09-05 DOI:10.1134/S1024856024700568

S. F. Balandin, V. A. Donchenko, V. F. Myshkin, I. I. Pavlov, V. A. Pogodaev, V. L. Khazan, V. A. Khan

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引用次数: 0

摘要

摘要研究了激光通道中含有固体微粒的空气分散介质在微粒表面电子热发射和一次光学击穿过程中发生的物理过程。估算了辐射加热微粒子周围等离子体晕形成过程中折射率的变化。结果表明，由于 NO 分子的电离和热化学反应，在距离击穿区域几厘米处的空气介质有可能发生微弱电离。

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The Effect of Electronic Halos on the Scattering Properties of Solid Particles in the Microwave Range

Physical processes occurring in air disperse media with solid particles in a laser channel during thermal emission of electrons from the particle surface and primary optical breakdown are considered. Changes in the refractive index during the formation of plasma halos around radiation-heated microparticles are estimated. A possibility of weak ionization of an air medium at a distance of several centimeters from the breakdown area due to the ionization of NO molecules and thermochemical reactions is shown.

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来源期刊

Atmospheric and Oceanic Optics OPTICS-

CiteScore

2.40

自引率

42.90%

发文量

期刊介绍： Atmospheric and Oceanic Optics is an international peer reviewed journal that presents experimental and theoretical articles relevant to a wide range of problems of atmospheric and oceanic optics, ecology, and climate. The journal coverage includes: scattering and transfer of optical waves, spectroscopy of atmospheric gases, turbulent and nonlinear optical phenomena, adaptive optics, remote (ground-based, airborne, and spaceborne) sensing of the atmosphere and the surface, methods for solving of inverse problems, new equipment for optical investigations, development of computer programs and databases for optical studies. Thematic issues are devoted to the studies of atmospheric ozone, adaptive, nonlinear, and coherent optics, regional climate and environmental monitoring, and other subjects.