Results 41 to 50 of about 769 (50)
Phase-only holograms are more attractive than the amplitude holograms for the higher energy utilization and the possibility to realize on-axis holographic 3D display without conjugate image.
Fuyang Xu+6 more
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An Ultrabroadband THz Absorber Based on Structured Doped Silicon With Antireflection Techniques
Broadband absorber in the terahertz region (0.1-10 THz) has attracted considerable attentions due to its important applications in detecting, imaging, and electromagnetic stealth.
Jing Yuan+6 more
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Monolithic metasurface spatial differentiator enabled by asymmetric photonic spin-orbit interactions
Spatial differentiator is the key element for edge detection, which is indispensable in image processing, computer vision involving image recognition, image restoration, image compression, and so on.
He Qiong+7 more
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Broadband and high-efficiency accelerating beam generation by dielectric catenary metasurfaces
Self-accelerating beams show considerable captivating phenomena and applications owing to their transverse acceleration, diffraction-free and self-healing properties in free space.
Zhang Fei+7 more
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Using light to image millimeter wave based on stacked meta-MEMS chip
A stacked metamaterial MEMS (meta-MEMS) chip is proposed, which can perfectly absorb electromagnetic waves, convert them into mechanical energy, drive movement of the optical micro-reflectors array, and detect millimeter waves.
Han Wang+8 more
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High resolution imaging represents a relentless pursuit within the field of optical system. Multi-frame super-resolution (SR) is an effective method for enhancing sampling density, while it heavily relies on sub-pixel scale displacement of a bulky camera.
Zhang Qi+9 more
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Catenary Electromagnetics for Ultra‐Broadband Lightweight Absorbers and Large‐Scale Flat Antennas
Catenary functions are exciting and fundamental building blocks in constructing various kinds of waves in subwavelength structures. Here, a simple yet powerful approach inspired by catenary optics is proposed to realize efficient manipulation of ...
Yijia Huang+7 more
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All-metallic geometric metasurfaces for broadband and high-efficiency wavefront manipulation
Geometric metasurfaces have shown superior phase control capacity owing to the geometric nature of their phase profile. The existing geometric metasurfaces are generally composed of metal-dielectric composites or all-dielectric subwavelength structures ...
Xie Xin+7 more
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Although great progress has been made for metasurface-based structural color filters, there are still significant challenges in encoding metasurfaces with complex color images, especially in high saturation or multi-channel cases, where traditional ...
Yongqiang Hu+8 more
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In this work, we performed a systematic investigation on the comparison of magnetic anisotropy between three III-Mn-V dilute ferromagnetic semiconductors (Ga,Mn)As, (In,Mn)As and (Ga,Mn)P prepared by ion implantation and pulsed laser melting. Compressive
Mingyang Tian+8 more
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