Combined laser plasma anticonductance system and method

A plasma and combined laser technology, applied in the direction of plasma, electrical components, etc., can solve the problems of small plasma area, decreased electron density, short life, etc., achieve low weight and power consumption, increase laser power density, and maintain stability Effects on Sexuality and Longevity

Pending Publication Date: 2020-07-17
AVIC BEIJING AERONAUTICAL MFG TECH RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

After the atmospheric plasma channel is formed, due to the recombination of electrons and ions, the adsorption of electrons and neutral molecules, etc., the electron density in the channel drops rapidly. Usually, the li

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  • Combined laser plasma anticonductance system and method
  • Combined laser plasma anticonductance system and method
  • Combined laser plasma anticonductance system and method

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Embodiment Construction

[0024] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The detailed description and accompanying drawings of the following embodiments are used to illustrate the principles of the present invention, but cannot be used to limit the scope of the present invention, that is, the present invention is not limited to the described embodiments, without departing from the spirit of the present invention Any modification, substitution and improvement of parts, components and connection methods are covered under.

[0025] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

[0026] Figure 1 to Figure 3 Shown is a first aspect of an embodiment of the present invention ...

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Abstract

The invention relates to a combined laser plasma anticonductance system and method. The system comprises at least one femtosecond laser used for starting plasmas, a nanosecond laser used for stabilizing the plasmas, a reflecting mirror used for reflecting the femtosecond laser and a coupling mirror used for laser coupling. The method comprises the following steps: step 1, starting the femtosecondlaser to generate femtosecond laser according to femtosecond starting parameters so as to form a plasma channel in the air; step 2, repeatedly refreshing the plasma channel by using the femtosecond laser according to a preset femtosecond repetition frequency; step 3, starting the nanosecond laser to generate nanosecond laser according to the nanosecond starting parameters, wherein the nanosecond laser is coupled with the femtosecond laser through the coupling mirror and then acts on the plasma channel; and step 4, repeatedly refreshing the plasma channel by using the nanosecond laser accordingto the preset nanosecond repetition frequency. According to the system and the method, the stability of the plasma channel can be improved, and the service life of the plasma channel can be prolongedso that a continuous plasma region with a relatively large region is formed.

Description

technical field [0001] The invention relates to the technical field of laser optoelectronic equipment, in particular to a combined laser plasma anti-guidance system and method. Background technique [0002] When enough energy is input to any substance, such as heating, it will be vaporized, and then the molecules and atoms will be ionized, and finally some charged gas with positive and negative ions and electrons mixed in a certain proportion will be formed. This substance is plasma. Due to its special properties and uses, plasma has been highly valued by major countries. With the gradual deepening of research, there are bright flashes and loud noises similar to stun grenades during the generation of plasma clouds, which bring great pain to the human body and can also be effective. Absorbing various energies, including laser and microwave, further expands the application space of plasma. [0003] Today, with the development of laser technology, it is easy to obtain lasers w...

Claims

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Application Information

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IPC IPC(8): H05H1/24
CPCH05H1/24
Inventor 张翔张亦卓胡文华
Owner AVIC BEIJING AERONAUTICAL MFG TECH RES INST
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