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Near index matching enables solid diffractive optical element fabrication via additive manufacturing

Light(Science & Applications) 2023年第10期12卷 2187-2198页

作者： Reut Orange kedem Nadav Opatovski Dafei Xiao Boris Ferdman Onit Alalouf Sushanta Kumar Pal Ziyun Wang Henrik von der Emde Michael Weber Steffen J.Sahl Aleks Ponjavic Ady Arie Stefan WHell Yoav Shechtman Russell Berrie Nanotechnology Institute Technion—Israel Institute of TechnologyHaifaIsrael lorry lokey interdisciplinary center for life sciences and engineering Technion—Israel Institute of TechnologyHaifaIsrael Department of Biomedical engineering Technion—Israel Institute of TechnologyHaifaIsrael School of Electrical engineering Fleischman Faculty of engineering Tel Aviv UniversityTel Aviv 69978Israel School of Physics and Astronomy University of LeedsLeedsUK School of Food Science and Nutrition University of LeedsLeedsUK Department of NanoBiophotonics Max Planck Institute for Multidisciplinary SciencesGöttingenGermany Department of Optical Nanoscopy Max Planck Institute for Medical ResearchHeidelbergGermany

Diffractive optical elements(DOEs)have a wide range of applications in optics and photonics,thanks to their capability to perform complex wavefront shaping in a compact ***,widespread applicability of DOEs is still limited,because existing fabrication methods are cumbersome and ***,we present a simple and cost-effective fabrication approach for solid,high-performance *** method is based on conjugating two nearly refractive index-matched solidifiable transparent *** index matching allows for extreme scaling up of the elements in the axial dimension,which enables simple fabrication of a template using commercially available 3D printing at tens-of-micrometer *** demonstrated the approach by fabricating and using DOEs serving as microlens arrays,vortex plates,including for highly sensitive applications such as vector beam generation and super-resolution microscopy using MINSTED,and phase-masks for three-dimensional single-molecule localization *** the advantage of making DOEs widely accessible by drastically simplifying their production,the method also overcomes difficulties faced by existing methods in fabricating highly complex elements,such as high-order vortex plates,and spectrum-encoding phase masks for microscopy.

关键词： matching enable vortex

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