Method for generating plasma photon crystal having three refractivities

A plasma and photonic crystal technology, applied in the field of plasma photonic crystals, can solve problems such as troubles, and achieve the effects of simple device, easy maintenance and easy fabrication

Inactive Publication Date: 2007-08-08
HEBEI UNIVERSITY
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  • Abstract
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Problems solved by technology

If you want to change the original periodicity, you ...

Method used

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  • Method for generating plasma photon crystal having three refractivities
  • Method for generating plasma photon crystal having three refractivities
  • Method for generating plasma photon crystal having three refractivities

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Embodiment Construction

[0031] The manufacturing method of the water electrode dielectric barrier discharge device shown in Fig. 1 of the present invention is to seal the flat transparent dielectric end surface 1 and the hollow tubular dielectric cylinder surface 2 together with silica gel to make two symmetrically arranged dielectric containers, and inject water through the small hole 3 Fill the sealed space with water or other liquids, set a discharge gap 6 between the two containers, seal argon, helium, a mixture of argon and air in the cavity, and connect the high-voltage end and the ground end of the high-voltage power supply to the container respectively. The electrode leads 4 of the two water electrodes provided are connected. The length of the discharge gap 6 can be adjusted by the thickness of the discharge gap boundary 7 . As the applied voltage increases, the gas in the air gap is broken down to form a discharge, which appears as many bright discharge filaments. When the voltage frequency...

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Abstract

The invention relates to a method to generate three refraction rates plasma photonic crystal, which uses the following discharge device to reach the goal: the basic structure of discharge device includes two symmetric closed dielectric containers, and between the two containers setting the discharge gap, in the containers, setting discharge electrode fuses, and importing the water into the containers to form the discharge electrodes; by changing the discharge conditions, including changing the applied voltage frequency and amplitude, and the discharge gap shape border and aspect ratio, discharging will produce three refraction rates plasma photonic crystal structure with different cycles, and different lattice constants. Since the electronic density in the plasma channel has the three orders of 1015cm, theoretical studies indicating that such high electronic density is enough to enable the plasma photonic crystal having band gap structure, to prevent the spread of certain frequency lights, and having frequency-selective optical switching function, which has a broad application prospects in the industrial field.

Description

technical field [0001] The invention relates to a method for producing plasma photonic crystals with three refractive indices and a double water electrode dielectric barrier discharge device, belonging to the field of plasma application technology and the field of optics. Background technique [0002] Photonic crystals, also called photonic bandgap materials, are a new type of man-made periodically modulated dielectric structures. It is usually arranged alternately and periodically by two different materials with high and low refractive index. Due to the existence of its periodicity, a photonic crystal band gap (Band gap) is generated, so that the light whose frequency falls into the band gap is prohibited from propagating, and the selection of optical frequency and the control of light propagation are realized. This change in spatial periodicity plays an important role in the control of light propagation. Only light of a certain frequency will be completely forbidden to pr...

Claims

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Application Information

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IPC IPC(8): G02B1/02H01S3/00
Inventor 董丽芳范伟丽陈文军贺亚峰
Owner HEBEI UNIVERSITY
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