Pressure of Electromagnetic Radiation on a Thin Linear Vibrator in a Waveguide

IF 2.8 4区生物学

3 Biotech Pub Date : 2022-09-02 DOI:10.26565/2312-4334-2022-3-06

Mykola Kokodii, V. Katrich, S. Berdnik, Mykhail Nesterenko, V. Maslov, I. Priz

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Abstract

The problem of electromagnetic wave pressure on a thin conductive vibrator located in a rectangular waveguide is solved. Wave H10 falls on the vibrator. The vibrator is located perpendicular to the wide wall of the waveguide. The current in the vibrator arising under the action of the electric field of the wave is calculated. The current distribution along the vibrator is almost uniform. The current in the microwave range depends little on the vibrator conductivity. Two components of the magnetic field - longitudinal and transverse exist in the H10 wave. When these components interact with the current in the vibrator, forces arise, acting on the vibrator across the waveguide and along it. The magnitude of the longitudinal force is greatest when the vibrator is located in the middle of a wide wall. It is almost 2 times greater than the force acting on the vibrator in free space at the same average radiation intensity, When the vibrator length is close to half the radiation wavelength, the force is maximum. The transverse force is determined by the interaction of the current in the vibrator with the longitudinal component of the magnetic field in the waveguide. It is maximum when the vibrator is located at the distance of ¼ of the length of the wide wall from its middle. If the length of the vibrator is less than half the wavelength of the radiation, the force is directed towards the axis of the waveguide, otherwise - in the opposite direction. The possibility of using microwave radiation pressure to create micromachines and to control the position of the vibrator in space has been evaluated. This requires a radiation power of several watts.

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波导中薄线性振动器上电磁辐射的压力

解决了矩形波导中薄导电振子的电磁波压力问题。波H10落在振动器上。振动器垂直于波导的宽壁。计算了在波的电场作用下振子内产生的电流。电流沿振子的分布几乎是均匀的。微波范围内的电流与振动器的导电性关系不大。在H10波中存在两个磁场分量——纵向和横向。当这些元件与振动器中的电流相互作用时，就会产生力，作用于穿过波导并沿着波导的振动器上。当振动器位于宽壁中间时，纵向力的大小最大。在相同的平均辐射强度下，在自由空间中作用在振子上的力几乎是其2倍大，当振子长度接近辐射波长的一半时，力最大。横向力是由振动器中的电流与波导中磁场的纵向分量的相互作用决定的。当振动器位于距宽壁中部1 / 4长度的距离处时，振动量最大。如果振动器的长度小于辐射波长的一半，则力指向波导的轴线，否则方向相反。对利用微波辐射压力制造微型机械和控制振动器在空间中的位置的可能性进行了评估。这需要几瓦的辐射功率。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

3 Biotech BIOTECHNOLOGY & APPLIED MICROBIOLOGY-

自引率

0.00%

发文量

314

期刊介绍： 3 Biotech publishes the results of the latest research related to the study and application of biotechnology to: - Medicine and Biomedical Sciences - Agriculture - The Environment The focus on these three technology sectors recognizes that complete Biotechnology applications often require a combination of techniques. 3 Biotech not only presents the latest developments in biotechnology but also addresses the problems and benefits of integrating a variety of techniques for a particular application. 3 Biotech will appeal to scientists and engineers in both academia and industry focused on the safe and efficient application of Biotechnology to Medicine, Agriculture and the Environment.