High-efficiency broadband meta-hologram with polarization-controlled dual images

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題名:	High-efficiency broadband meta-hologram with polarization-controlled dual images
作者:	王智明;Chen, Wei Ting;Yang, Kuang-Yu;Wang, Chih-Ming;Huang, Yao-Wei;Sun, Greg;Chiang, I-Da;Liao, Chun Yen;Hsu, Wei-Lun;Lin, Hao Tsun;Sun, Shulin;Zhou, Lei;Liu, Ai Qun;Tsai, Din Ping
貢獻者:	理學院光電科學與工程學系
關鍵詞:	Applied sciences;Cross-disciplinary physics: materials science;rheology;Devices;Electromagnetic waves;Electronics;Equipment Design;Equipment Failure Analysis;Exact sciences and technology;Gold - chemistry;Holograms;Holography;Holography - instrumentation;Image contrast;Image reconstruction;Lenses;Materials science;Metal Nanoparticles - chemistry;Metal Nanoparticles - ultrastructure;Methods of nanofabrication;Molecular electronics, nanoelectronics;Nanostructure;Nanotechnology - instrumentation;Physics;Refractometry - instrumentation;Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
日期:	2014-01-08
上傳時間:	2026-04-23 11:32:13 (UTC+8)
出版者:	American Chemical Society;Washington, DC: American Chemical Society
摘要:	摘要： Holograms, the optical devices to reconstruct predesigned images, show many applications in our daily life. However, applications of hologram are still limited by the constituent materials and therefore their working range is trapped at a particular electromagnetic region. In recent years, the metasurfaces, an array of subwavelength antenna with varying sizes, show the abilities to manipulate the phase of incident electromagnetic wave from visible to microwave frequencies. Here, we present a reflective-type and high-efficiency meta-hologram fabricated by metasurface for visible wavelength. Using gold cross nanoantennas as building blocks to construct our meta-hologram devices with thickness ∼ λ/4, the reconstructed images of meta-hologram show polarization-controlled dual images with high contrast, functioning for both coherent and incoherent light sources within a broad spectral range and under a wide range of incidence angles. The flexibility demonstrated here for our meta-hologram paves the road to a wide range of applications related to holographic images at arbitrary electromagnetic wave region. 其他題名： Nano Lett 出版者： Washington, DC: American Chemical Society 出版日期： 2014-01-08 出處： Nano letters, 2014-01, Vol.14 (1), p.225-230 資源來源： American Chemical Society Journals 版權： Copyright © 2013 American Chemical Society 版權： 2015 INIST-CNRS 識別號： ISSN: 1530-6984 識別號： ISSN: 1530-6992 識別號： EISSN: 1530-6992 識別號： DOI: 10.1021/nl403811d 識別號： PMID: 24329425
顯示於類別:	[光電科學與工程學系] 期刊論文

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