Results 11 to 20 of about 27,968 (274)
Tunable Polarization-Multiplexed Achromatic Dielectric Metalens. [PDF]
Nano letters (Print), 2022 Tunable metasurfaces provide a compact and efficient strategy for optical active wavefront shaping. Varifocal metalens is one of the most important applications. However, the existing tunable metalens rarely serves broadband wavelengths restricting their
Xiangnian Ou +8 more
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Broadband achromatic optical metasurface devices
Nature Communications, 2017 Among various flat optical devices, metasurfaces have presented their great ability in efficient manipulation of light fields and have been proposed for variety of devices with specific functionalities.
Shuming Wang +12 more
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Opto-Electronic Advances, 2021 Achromatic metalens composed of arrays of subwavelength nanostructures with spatially varying geometries is attractive for a number of optical applications. However, the limited degree of freedom in the single layer achromatic metasurface design makes it
Yilin Wang, Qingbin Fan, Ting Xu
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High-efficiency broadband achromatic metalens for near-IR biological imaging window
Nature Communications, 2021 Though broadband achromatic metalens are attractive for biological applications, existing metalenses show limited performance in the biological imaging window.
Yujie Wang +10 more
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An achromatic metafiber for focusing and imaging across the entire telecommunication range [PDF]
Nature Communications, 2022 The authors fabricate a 3D achromatic diffractive metalens on the end face of a single-mode fiber, useful for endoscopic applications. They demonstrate achromatic and polarization insensitive focusing across the entire near-infrared telecommunication ...
Haoran Ren +8 more
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Nature Communications, 2023 Compact visible wavelength achromats are essential for miniaturized and lightweight optics. However, fabrication of such achromats has proved to be exceptionally challenging. Here, using subsurface 3D printing inside mesoporous hosts we densely integrate
Corey A. Richards +8 more
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Light: Science & ApplicationsFlat optics have attracted interest for decades due to their flexibility in manipulating optical wave properties, which allows the miniaturization of bulky optical assemblies into integrated planar components.
Jingen Lin +5 more
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3D-printed multilayer structures for high–numerical aperture achromatic metalenses [PDF]
Science Advances, 2023 Flat optics consisting of nanostructures of high–refractive index materials produce lenses with thin form factors that tend to operate only at specific wavelengths.
Chengbin Pan +10 more
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Nanomaterials, 2021 In this paper, comprehensively utilizing the diffraction theory and electromagnetic resonance effect is creatively employed to design a multifunctional metasurface zone plate (MMZP) and achieve the control of polarization states, while maintaining a ...
Shaobo Ge +8 more
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Achromatic Imaging Systems with Flat Lenses Enabled by Deep Learning [PDF]
Conference on Lasers and Electro-Optics, 2023 We experimentally demonstrate an achromatic imaging system by the fusion of chromatically aberrated flat lenses with deep learning. We obtained high-quality images captured with a large field-of-view under normal outdoor light illumination conditions.
Roy Maman +4 more
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