A high-efficiency metasurface device for large-field-of-view imaging based on a dielectric continuous structure
A large field of view, high-efficiency technology, applied in instruments, polarizing elements, optical elements, etc., can solve problems such as high cost, limited real-time performance, and limited application scope.
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[0018] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but the scope of protection of the present invention is not limited to the following examples, but should include all content in the claims. Moreover, those skilled in the art can realize all the content in the claims from the following embodiment.
[0019] Such as figure 1 As shown, a high-efficiency metasurface device based on a dielectric continuous structure to realize large-field imaging includes a dielectric grating structure 1 , a dielectric substrate 2 and a dielectric continuous structure 3 . The thickness of the dielectric grating structure 1 is h, and the radial period is P x , the tangential period is P y , with a width of w 2 ; The thickness of the dielectric substrate 2 is t; the radial span of the dielectric continuous structure 3 is l, and the width is w 1 , the thickness is h.
[0020] Combined with the above structure, in...
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