Interdigital transmission-type terahertz quarter-wave plate
A transmissive, terahertz technology, applied in the field of terahertz quarter-wave plates, can solve the problems of narrow working bandwidth, low conversion efficiency, complex structure, etc., and achieve large working bandwidth, high conversion efficiency, and improved processing feasibility. Effect
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[0024] The technical solutions in the embodiments of the present invention will be described clearly and in detail below with reference to the drawings in the embodiments of the present invention. The described embodiments are only some of the embodiments of the invention.
[0025] The technical scheme that the present invention solves the problems of the technologies described above is:
[0026] An "interdigitated" type terahertz quarter-wave plate provided by the present invention has a structure such as figure 1 with figure 2 As shown, the rectangular unit structure is arranged in a checkerboard shape, and there is no gap between adjacent units.
[0027] The unit structure is a typical three-layer structure, which is a metal pattern layer 1, an intermediate dielectric layer 2 and a metal pattern layer 3 in sequence, wherein the patterns of the two metal pattern layers are the same;
[0028] The metal pattern layer is composed of a rectangular metal ring and four rectang...
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