Metasurface based device for generating abrupt autofocusing beam
刊登日期:2021/12/02
  ‧ 專利名稱 超穎介面急劇自聚焦光束產生裝置
  ‧ 專利證書號 I800844
US12013513B2
  ‧ 專利權人 國立臺灣大學
  ‧ 專利國家
    (申請日)
中華民國 (2021/06/02)
美國 (2021/06/02)
 
  ‧ 發明人/PI 駱遠,楊泮池,蔡定平
  ‧ 單位 永齡生醫工程中心
  ‧ 簡歷/Experience
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.



專利簡述 / Intellectual Properties:




 
相關圖片:


聯繫方式 / Contact:
臺大產學合作總中心 / Center of Industry-Academia Collaboration, NTU
Email:ordiac@ntu.edu.tw 電話/Tel:02-3366-9945