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7篇 您的检索式:作者名="Valerio Pruneri"
    题名 作者 年代 出处 被引量
1Durable, superhydrophobic, antireflection, and low haze glass surfaces using scalable metal dewetting nanostructuring显示文摘在这份报纸,我们在第一次,联合的玻璃上报导多功能的 nanostructured 表面大量光,弄湿并且耐久性性质,包括的低全向的反射率,低薄雾,高传播, superhydrophobicity, oleophobicity,和高度机械抵抗。Nanostructures 被反应离子通过 nanomask 蚀刻在玻璃表面上制作了,它被 dewetting ultrathin 金属电影形成(< 10 nm 厚度) 使遭到了到快速的热退火(RTA ) 。nanostructures 强烈减少起始的表面反射率(4%) ,当在低价值保留薄雾时,在 390800 nm 波长变化到不到 0.4%(<0.9%) 。相应的水接触角度(c ) 是 24.5 敶愠朠晩吗??Daniel Infante Karl W. Koch Prantik Mazumder Lili Tian Albert Carrilero Domenico Tullit David Baker Valerio Pruneri 2013Nano Research2013,6,6:6
2Double-layer graphene for enhanced tunable infrared plasmonics显示文摘Graphene is emerging as a promising material for photonic applications owing to its unique optoelectronic properties.Graphene supports tunable,long-lived and extremely confined plasmons that have great potential for applications such as biosensing and optical communications.However,in order to excite plasmonic resonances in graphene,this material requires a high doping level,which is challenging to achieve without degrading carrier mobility and stability.Here,we demonstrate that the infrared plasmonic response of a graphene multilayer stack is analogous to that of a highly doped single layer of graphene,preserving mobility and supporting plasmonic resonances with higher oscillator strength than previously explored single-layer devices.Particularly,we find that the optically equivalent carrier density in multilayer graphene is larger than the sum of those in the individual layers.Furthermore,electrostatic biasing in multilayer graphene is enhanced with respect to single layer due to the redistribution of carriers over different layers,thus extending the spectral tuning range of the plasmonic structure.The superior effective doping and improved tunability of multilayer graphene stacks should enable a plethora of future infrared plasmonic devices with high optical performance and wide tunability.Daniel Rodrigo Andreas Tittl Odeta Limaj F Javier García de Abajo Valerio Pruneri Hatice Altug 2017Light(Science & Applications)2017,6,1:3
3Photonic Crystal Fiber Temperature Sensor Based on Quantum Dot Nanocoatings显示文摘Beatriz Larrión Miguel Hernáez Francisco J. Arregui Javier Goicoechea Javier Bravo Ignacio R. Matías Valerio Pruneri 2009Journal of Sensors2009,,:1
4An ultra-compact particle size analyser using a CMOS image sensor and machine learning显示文摘Light scattering is a fundamental property that can be exploited to create essential devices such as particle analysers.The most common particle size analyser relies on measuring the angle-dependent diffracted light from a sample illuminated by a laser beam.Compared to other non-light-based counterparts,such a laser diffraction scheme offers precision,but it does so at the expense of size,complexity and cost.In this paper,we introduce the concept of a new particle size analyser in a collimated beam configuration using a consumer electronic camera and machine learning.The key novelty is a small form factor angular spatial filter that allows for the collection of light scattered by the particles up to predefined discrete angles.The filter is combined with a light-emitting diode and a complementary metal-oxide-semiconductor image sensor array to acquire angularly resolved scattering images.From these images,a machine learning model predicts the volume median diameter of the particles.To validate the proposed device,glass beads with diameters ranging from 13 to 125μm were measured in suspension at several concentrations.We were able to correct for multiple scattering effects and predict the particle size with mean absolute percentage errors of 5.09% and 2.5% for the cases without and with concentration as an input parameter,respectively.When only spherical particles were analysed,the former error was significantly reduced(0.72%).Given that it is compact(on the order of ten cm)and built with low-cost consumer electronics,the newly designed particle size analyser has significant potential for use outside a standard laboratory,for example,in online and in-line industrial process monitoring.Rubaiya Hussain Mehmet Alican Noyan Getinet Woyessa Rodrigo R.Retamal Marin Pedro Antonio Martinez Faiz M.Mahdi Vittoria Finazzi Thomas A.Hazlehurst Timothy N.Hunter Tomeu Coll Michael Stintz Frans Muller Georgios Chalkias Valerio Pruneri 2020Light(Science & Applications)2020,9,1:1
5Electric-field thermally poled optical fibers for quasi-phase-matched second-harmonic generation显示文摘Valerio Pruneri Peter G Kazansky 1997IEEE Photon Technol Lett1997,9,2:1
6Phase-sensitive plasmonic biosensor using a portable and large field-of-view interferometric microarray imager显示文摘Nanophotonics,and more specifically plasmonics,provides a rich toolbox for biomolecular sensing,since the engineered metasurfaces can enhance light–matter interactions to unprecedented levels.So far,biosensing associated with high-quality factor plasmonic resonances has almost exclusively relied on detection of spectral shifts and their associated intensity changes.However,the phase response of the plasmonic resonances have rarely been exploited,mainly because this requires a more sophisticated optical arrangement.Here we present a new phase-sensitive platform for high-throughput and label-free biosensing enhanced by plasmonics.It employs specifically designed Au nanohole arrays and a large field-of-view interferometric lens-free imaging reader operating in a collinear optical path configuration.This unique combination allows the detection of atomically thin(angstrom-level)topographical features over large areas,enabling simultaneous reading of thousands of microarray elements.As the plasmonic chips are fabricated using scalable techniques and the imaging reader is built with low-cost off-the-shelf consumer electronic and optical components,the proposed platform is ideal for point-of-care ultrasensitive biomarker detection from small sample volumes.Our research opens new horizons for on-site disease diagnostics and remote health monitoring.Filiz Yesilkoy Roland A Terborg Josselin Pello Alexander A Belushkin Yasaman Jahani Valerio Pruneri Hatice Altug 2017Light(Science & Applications)2017,6,1:0
7量子是网络安全的未来显示文摘1882年,加州萨克拉门托的银行家弗兰克·米勒(Frank Miller)开发出一种牢不可的加密方法。140年过去了,密码学家依然没有提出更好的加密方法。Carlos Abellan Valerio Pruneri 2018科技纵览2018,0,7:0
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