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Complementary trapezoid groove-based method for achieving odd-mode artificial surface plasmon guided wave

An artificial surface plasmon and trapezoidal groove technology, which is applied to electrical components, waveguide devices, circuits, etc., can solve the problems of rare mode artificial surface plasmon excitation and transmission, and achieve field confinement. The effect is obvious, the feeding structure is simple, and the manufacturing process is simple.

Inactive Publication Date: 2018-08-10
XIDIAN UNIV
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Problems solved by technology

[0003] To sum up, the problems existing in the existing technology are: most of the current artificial surface plasmon transmission is based on the even mode, and there are very few studies on the excitation and transmission of the odd-mode artificial surface plasmon

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  • Complementary trapezoid groove-based method for achieving odd-mode artificial surface plasmon guided wave
  • Complementary trapezoid groove-based method for achieving odd-mode artificial surface plasmon guided wave
  • Complementary trapezoid groove-based method for achieving odd-mode artificial surface plasmon guided wave

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0026] The invention utilizes complementary trapezoidal slots to realize artificial surface plasmon transmission, realizes odd-mode excitation of artificial surface plasmons through the transition from even-mode microstrip excitation to waveguide, and is used for surface wave transmission in the microwave frequency band, belonging to a new type of artificial field of electromagnetic materials.

[0027] The application principle of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0028] Such as figure 1 As shown, the method for implementing odd-mode artificial surface...

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Abstract

The invention belongs to the technical field of a microwave integrated circuit and device, and discloses a complementary trapezoid groove-based method for achieving an odd-mode artificial surface plasma guided wave. The dispersion characteristic of a complementary trapezoid groove structure is analyzed by an intrinsic mode method, artificial surface plasmon naturally existing in an optical frequency band is simulated, the artificial surface plasmon guided wave which has a high binding effect at a microwave frequency band and can support odd-mode transmission is designed by building an odd-modesimulated microstrip transition structure, full-wave electromagnetic simulation is performed, and an odd-mode and high-efficiency transmission effect of the artificial surface plasmon at the microwave frequency band is verified. The odd-mode artificial surface plasmon guided wave has the characteristics of high transmission efficiency, thin thickness, light mass and the like and is easy to process and has wide application prospect in the field of a novel microwave integrated circuit and device.

Description

technical field [0001] The invention belongs to the technical field of microwave integrated circuits and devices, in particular to a method for realizing odd-mode artificial surface plasmon guided waves based on complementary trapezoidal grooves. Background technique [0002] Surface plasmon polaritons (surface plasmon polaritons, SPPs) are a kind of surface electromagnetic waves, which exist at the interface of two media with opposite dielectric constants according to the derivation of Maxwell's equations. Since metal has a negative dielectric constant in the visible light frequency range, the free electrons inside it are in a plasma state, so there are surface plasmons in a natural state on the metal surface. But at lower frequencies, such as in the microwave range, metals behave as perfect electrical conductors rather than plasmas. In order to excite surface plasmons below infrared frequencies, the concept of plasmonic metamaterials has emerged. An existing ultra-thin p...

Claims

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Application Information

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IPC IPC(8): H01P1/203
CPCH01P1/203
Inventor 崔文怡杜晓宇唐朝阳尹应增
Owner XIDIAN UNIV
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