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Microwave diffraction system

A microwave and diffraction technology, applied in the direction of educational appliances, instruments, teaching models, etc., can solve the problems of diffraction angle deviation from the theoretical value, large volume, etc., and achieve the effect of size reduction

Inactive Publication Date: 2012-05-23
张存续
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing microwave diffraction system still has the problems of large volume, about 1 to 2 meters, and the diffraction angle obtained by the experiment deviates from the theoretical value.

Method used

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  • Microwave diffraction system
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  • Microwave diffraction system

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Embodiment Construction

[0015] Please refer to Figure 1 to Figure 4 , The microwave diffraction system of an embodiment of the present invention includes two flat plates 11a, 11b, a lattice model 12, an emitter 13 and a detector 14. The plates 11a and 11b are electrically conductive and arranged in parallel to form a planar waveguide 10 . The lattice model 12 includes a plurality of regularly arranged columns 121 . By suitable design, the cylinders 121 of the lattice model 12 are arranged between the plates 11a, 11b. For example, the cylinder 121 is disposed on the substrate, and the substrate is disposed in the opening 111 of the plate 11a, so that the cylinder 121 protrudes into the planar waveguide, as Figure 4 shown. In other words, the columns 121 simulating the atoms in the lattice structure are disposed in the planar waveguide 10 . It should be noted that the column 121 can also be directly disposed on the inner surface of the flat plate 11a or 11b. In one embodiment, the radius of the ...

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Abstract

The invention relates to a microwave diffraction system, which comprises two flat panels, a lattice model, a transmitter and a detector. The two flat panels have conductivity and are relatively arranged in parallel to form a planar waveguide. The lattice model comprises a plurality of cylinders which are arranged in order. The cylinders are arranged between the two flat panels. The transmitter is arranged on the outer edge of the planar waveguide and is used for providing a microwave towards the lattice model. The detector is arranged on the outer edge of the planar waveguide and is used for detecting the microwave reflected by the lattice model. A diffraction pattern obtained by using the microwave diffraction system is close to a theoretical value.

Description

technical field [0001] The invention relates to a diffraction system, in particular to a microwave diffraction system using microwaves to simulate Bragg diffraction. Background technique [0002] Bragg diffraction has been applied to X-ray crystallography to understand how atoms are arranged in crystals. As far as teaching is concerned, using X-rays, electrons or neutrons to verify diffraction phenomena is not only too expensive, but long-term exposure to X-rays is harmful to human health. In addition, the crystal lattice structure cannot be seen by human eyes, which greatly reduces the teaching effect. [0003] Utilizing microwaves to irradiate metal pillars with simulated lattice structures can overcome the above-mentioned problems with low cost. However, the existing microwave diffraction system still has the problems of large volume, about 1-2 meters, and the diffraction angle obtained by experiment deviates from the theoretical value. [0004] To sum up, providing a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/22
Inventor 张存续袁景滨
Owner 张存续