Over the past decade,global industrial and research interest in flexible sensors has boosted their applications in diverse fields across intelligent medicines,human-machine interactions,soft robotics and Metaverse.Amo...Over the past decade,global industrial and research interest in flexible sensors has boosted their applications in diverse fields across intelligent medicines,human-machine interactions,soft robotics and Metaverse.Among them,multimodal flexible sensor systems play a critical role due to their capability to simultaneously detect multiple stimuli.This review presents an overview of recent advances in decoupled multimodal flexible sensor systems exploring spatial decoupling,temporal decoupling,signal processing,and other methods.Several categories of the systems are highlighted based on anti-interference structure,combinations of multiple mechanisms,surface functional modification,interlayer additional electrical properties and layer-specific differentiated outputs.Furthermore,the significant roles of machine learning and circuit strategies in decoupling mixed stimuli are illustrated.The burgeoning innovations in this research field should benefit the intelligent transformation of society,particularly amid rapid rise of artificial intelligence and automation.展开更多
Metalenses are ultrathin optical elements that can focus light using densely arranged subwavelength structures.Due to their minimal form factor,they have been considered promising for imaging applications that require...Metalenses are ultrathin optical elements that can focus light using densely arranged subwavelength structures.Due to their minimal form factor,they have been considered promising for imaging applications that require extreme system size,weight,and power,such as in consumer electronics and remote sensing.However,as a major impediment prohibiting the wide adoption of the metalens technology,the aperture size,and consequently the imaging resolution,of a metalens are often limited by lithography processes that are not scalable.Here,we propose to adopt a synthetic aperture approach to alleviate the issue,and experimentally demonstrate that,assisted by computational reconstruction,a synthetic aperture metalens composed of multiple metalenses with relatively small aperture size can achieve an imaging resolution comparable to a conventional lens with an equivalent large aperture.We validate the concept via an outdoor imaging experiment performed with a synthetic aperture metalens-integrated near-infrared camera using natural sunlight for target illumination.展开更多
基金support from the National Natural Science Foundation of China(Nos.52475610 and 52105593)the Zhejiang Provincial Natural Science Foundation of China(No.LDQ24E050001)the“Pioneer”and“Leading Goose”R&D Program of Zhejiang(Nos.2023C03007 and 2024C01173).
文摘Over the past decade,global industrial and research interest in flexible sensors has boosted their applications in diverse fields across intelligent medicines,human-machine interactions,soft robotics and Metaverse.Among them,multimodal flexible sensor systems play a critical role due to their capability to simultaneously detect multiple stimuli.This review presents an overview of recent advances in decoupled multimodal flexible sensor systems exploring spatial decoupling,temporal decoupling,signal processing,and other methods.Several categories of the systems are highlighted based on anti-interference structure,combinations of multiple mechanisms,surface functional modification,interlayer additional electrical properties and layer-specific differentiated outputs.Furthermore,the significant roles of machine learning and circuit strategies in decoupling mixed stimuli are illustrated.The burgeoning innovations in this research field should benefit the intelligent transformation of society,particularly amid rapid rise of artificial intelligence and automation.
基金National Natural Science Foundation of China(61975251)。
文摘Metalenses are ultrathin optical elements that can focus light using densely arranged subwavelength structures.Due to their minimal form factor,they have been considered promising for imaging applications that require extreme system size,weight,and power,such as in consumer electronics and remote sensing.However,as a major impediment prohibiting the wide adoption of the metalens technology,the aperture size,and consequently the imaging resolution,of a metalens are often limited by lithography processes that are not scalable.Here,we propose to adopt a synthetic aperture approach to alleviate the issue,and experimentally demonstrate that,assisted by computational reconstruction,a synthetic aperture metalens composed of multiple metalenses with relatively small aperture size can achieve an imaging resolution comparable to a conventional lens with an equivalent large aperture.We validate the concept via an outdoor imaging experiment performed with a synthetic aperture metalens-integrated near-infrared camera using natural sunlight for target illumination.
