 技術摘要 / Our Technology： |
本發明提供一種急劇自聚焦光束產生裝置，包括一光源模組、一超穎介面相位調製元件以及一聚焦透鏡。該光源模組，用以產生一入射光束。該超穎介面相位調製元件，具有用以接收該入射光數之一第一入光面以及一第一出光面，該第一出光面上具有複數個介面奈米結構，用以將該入射光束調製成一繞射光。該聚焦透鏡，設置在該第一出光面側，用以將該繞射光轉換成一急劇自聚焦光束。
The present invention provides a device for generating an abrupt autofocusing beam, comprising a light source module, a metasurface phase modulating element, and a focus lens, wherein the light source module generates an incident light beam, the metasurface modulating element has a first optical receiving surface for receiving the incident light beam, and an optical emitting surface having a plurality of dielectric nano-structures formed thereon for modulating the incident light beam into a diffracted light beam wherein the plurality of nano-structures respectively corresponding to optical-phase mask patterns, and the focus lens is arranged at a side of the optical receiving surface for performing optical Fourier transform of the diffracted light beam obtained from the metasurface phase modulating element.
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| 專利簡述 / Intellectual Properties： |
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聯繫方式 / Contact： |
| 臺大產學合作總中心 / Center of Industry-Academia Collaboration, NTU |
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| Email：ordiac@ntu.edu.tw |
電話/Tel：02-3366-9945 |
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專利行銷平台