首页|3D nano-printed geometric phase metasurfaces for generating accelerating beams with complex amplitude manipulation
3D nano-printed geometric phase metasurfaces for generating accelerating beams with complex amplitude manipulation
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Metasurface,a forefront in emerging optical devices,has demonstrated remarkable potential for complex amplitude manip-ulation of light beams.However,prevailing approaches face challenges in spatial resolution and complexities associated with integrating dynamic phases,impeding the simplified design and reproducible fabrication of metasurfaces.Here,we introduce an innovative approach for complex amplitude modulation within 3D nano-printed geometric phase metasurfaces.Our approach enables the generation of self-accelerating beams by encoding amplitude through phase-only manipulation,achieving high spatial resolution.Notably;this method circumvents the conventional need to adjust the geometric parameters of metasurface unit structures for amplitude manipulation,offering a streamlined and efficient route for design and fabrication complexity.This novel methodology holds promise for expedited and low-cost manufacturing of complex amplitude manipulation metasurfaces.
Research Center of Optical Instrument and System,Ministry of Education and Shanghai Key Lab of Modern Optical System,University of Shanghai for Science and Technology,Shanghai 200093,China
National Natural Science Foundation of ChinaNational Key R&D Program of China
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