Graphene-based novel isolator
A technology of isolators and graphene, applied in waveguide devices, electrical components, circuits, etc., can solve the problems of low power capacity, complex structure, and narrow operating frequency band of isolators, and achieve the effect of large power capacity and compact structure
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[0020] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further elucidated below in conjunction with specific embodiments.
[0021] A new type of graphene-based isolator applied in the field of 3G communication, the isolator is composed of two wire grid polarizers 21, 22 and three groups of free-standing single-layer graphene 3, wherein the wire grid polarizer 2 is composed of etc. Metal pillars 4 at intervals are arranged in parallel, two wire grid polarizers are placed at an angle of 45°, the single-layer graphene 3 is placed parallel to the wire-grid polarizer 2, and the bias magnetic field passes through the single-layer graphene 3 vertically.
[0022] The present invention adopts following method to realize signal isolation:
[0023] When the radius of the metal pillars 4 and the spacing between the metal pillars 4 are much smaller than the incident wavelength, th...
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