Device for generating rotating hexagonal plasma photonic crystals and method thereof

A plasma and photonic crystal technology, applied in the field of plasma application technology and optics, to achieve the effect of increasing the rotation speed, enriching the modulation, wide application prospects and application fields

Inactive Publication Date: 2016-12-07
HEBEI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] One of the purposes of the present invention is to provide a device for producing rotating hexagonal plasma photonic crystals, to overcome the problem that existing devices can only produce static plasma photonic crystals

Method used

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  • Device for generating rotating hexagonal plasma photonic crystals and method thereof
  • Device for generating rotating hexagonal plasma photonic crystals and method thereof
  • Device for generating rotating hexagonal plasma photonic crystals and method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0030] Such as figure 1 As shown, the device for generating rotating hexagonal plasmonic photonic crystals provided by the present invention is to symmetrically arrange two airtight dielectric containers in a horizontal cylindrical vacuum reaction chamber 1, and inject water into the airtight dielectric containers to form A water electrode 2 with two polar plates facing each other. The two water electrodes 2 are electrically connected with the plasma generating power source 5 outside the vacuum reaction chamber 1 . Water electrode 2 also can adopt plexiglass tube, two ends are sealed with glass baffle 3, is filled with water and built-in copper ring 4, makes two electrodes of plasma generation power supply 5 connect two copper rings 4 by power line respectively. The thickness of the glass block 3 is between 1.5 mm and 5 mm, serving as a discharge medium. A gas inlet 7 and a gas outlet 8 are opened on the wall of the vacuum reaction chamber 1 .

[0031] A frame 6 is arranged...

Embodiment 2

[0035] The method for producing the rotating hexagonal plasmonic photonic crystal provided by the present invention comprises the following steps:

[0036] a. A vacuum reaction chamber 1 is set, an air inlet 7 and an air outlet 8 are provided on the wall of the vacuum reaction chamber 1, and two water electrodes 2 opposite to each other are installed in the vacuum reaction chamber 1 . The water electrode 2 adopts a plexiglass tube sealed with glass baffles 3 on both sides and filled with water, and a built-in copper ring 4 is electrically connected with the plasma generating power supply 5 outside the vacuum reaction chamber 1 .

[0037] b. A frame 6 with a thickness of 2.5mm is arranged between the two water electrodes 2. The frame 6 is made of resin material. The plane where the frame 6 is located is perpendicular to the axes of the two water electrodes 2. The end face of the water electrode 2. The inner edge of frame 6 is to be adjacent to form a circular structure success...

Embodiment 3

[0040] Compared with Embodiment 2, this embodiment differs in that: the pressure of the discharge gas is p=0.7atm.

[0041] The photo of the rotating hexagonal plasmonic photonic crystal produced in the discharge gap of the present embodiment is as follows Figure 4 as shown, Figure 4 The three photos in (a), (b), and (c) are also taken every 500ms. The discharge wire marked by the white circle on each photo is the same discharge wire. It can be seen from the change of the position of the discharge wire, The angular velocity of the rotating hexagonal plasmonic photonic crystal generated in this embodiment is about 20° / s, and the rotation direction is consistent with the inclination direction of all ratchets, that is, it rotates along the gentle slope of the ratchet to its steep slope, as shown in the figure Rotate clockwise.

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Abstract

The invention provides a device for generating rotating hexagonal plasma photonic crystals and a method thereof. The device comprises a vacuum reaction chamber, two water electrodes which are arranged in the vacuum reaction chamber and a plasma generation power supply which is electrically connected with the water electrodes. A frame is arranged between the two water electrodes. The internal edge of the frame is formed by multiple ratchets which are arranged in turn, and the internal edge of the frame forms the boundary of a discharge gap. When voltage of the plasma generation power supply is certain, the rotating hexagonal plasma photonic crystals are generated in the discharge gap between the two water electrodes. The generated plasma photonic crystals enable the dispersion curve, the band gap center frequency and the band gap width to be changed due to their own rotation under the condition of constant incident light; and the rotating speed can be enhanced by increasing pressure intensity or reducing the content of argon gas and the rotating speed can be reduced in a reverse way so that light propagation selective modulation can be further enriched.

Description

technical field [0001] The invention relates to a plasma application technology and an optical technology, in particular to a device and method for generating a rotating hexagonal plasma photonic crystal. Background technique [0002] Photonic crystals, also known as photonic bandgap materials, are an artificial "crystal" structure formed by arranging two dielectric materials with different dielectric constants in space at a certain period (the size is on the order of the wavelength of light). The dielectric constant of a photonic crystal is a periodic function of space. If the periodic modulation of photons by the dielectric coefficient is strong enough, the photon energy propagating in the photonic crystal will also have an energy band structure, and photon "forbidden" will appear between the bands. band", photons whose frequency falls in the forbidden band cannot propagate in the crystal. The position and shape of the photonic forbidden band depend on the refractive inde...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B1/00H05H1/24
CPCG02B1/005H05H1/24
Inventor 董丽芳崔义乾贺亚峰
Owner HEBEI UNIVERSITY
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