Ultrastructure lens and manufacturing method thereof

A manufacturing method and lens technology, applied in the field of optics, can solve the problems of low manufacturing efficiency, difficult to comprehensively consider functional and integrated metalens, etc., and achieve the goal of simplifying geometric topology, reducing the amount of geometric structure data, and improving manufacturing efficiency. Effect

Pending Publication Date: 2020-12-29
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Application Information

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Problems solved by technology

This method is difficult to comprehensively consider the functionality and integration and obtain a meta-lens that meets the needs, and the production efficiency is low

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  • Ultrastructure lens and manufacturing method thereof
  • Ultrastructure lens and manufacturing method thereof
  • Ultrastructure lens and manufacturing method thereof

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Embodiment Construction

[0055] In order to enable those skilled in the art to better understand the solution of the present application, the present application will be further described in detail below in conjunction with the drawings and specific implementation methods. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0056] In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do without departing from the connotation of the present invention. By analogy, the present invention is therefore not limited to the specific examples disclosed be...

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Abstract

The invention discloses an ultrastructure lens and a manufacturing method thereof. The method comprises the steps that the focus of the ultrastructure lens is determined; a design variable of the surface type of the ultrastructure lens is set in a cross section layer of a cross section assembly, wherein the cross section assembly comprises a substrate, the cross section layer and a perfect matching layer, and excitation waves are distributed inside the cross section assembly; exponential power law mixed material interpolation of a pre-selected material and a vacuum relative dielectric constantin the cross section layer is carried out according to the design variable, and the distribution position of the pre-selected material is determined to obtain the cross section structure configuration of the ultrastructure lens so as to maximize the electric field energy density at the focus, wherein the pre-selected material is the material of the ultrastructure lens, and the cross section structure configuration is rotated along the symmetry axis of the ultrastructure lens to obtain the structure configuration of the ultrastructure lens; and according to the structural configuration, the ultrastructure lens is machined and obtained. The structure configuration is reversely designed according to the required ultrastructure lens, the ultrastructure lens is machined and obtained, the convenience is achieved, the geometric structure data size of the ultrastructure lens is reduced by obtaining the profile structure configuration, and the manufacturing efficiency is improved.

Description

technical field [0001] The present application relates to the field of optical technology, in particular to a metalens and a manufacturing method thereof. Background technique [0002] Metalenses control the energy and phase distribution of light waves from the perspective of physical optics through sub-wavelength scale nanostructure arrays to achieve optical functions such as imaging. It has significant advantages such as thin volume, light weight, high integration, and large numerical aperture. , detection, beam shaping and other fields have high potential application value. [0003] Nanostructure arrays are a way to realize metalenses. The aspect ratio of nanostructures is close to 10, and the number of arrays reaches 10. 6 ~10 7 per square millimeter. The production of the metalens based on the nanostructure array includes structural design and processing. The structural design refers to designing the structural configuration of the nanostructure array, and the proces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/00G02B3/00
CPCG02B3/00G02B27/0012
Inventor 邓永波贾平
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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