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We present a new strategy, based on a Fresnel coefficient pole analysis, for designing an asymmetric multilayer structure that supports long range surface plasmons (LRSP). We find that the electric field intensity in the metal layer of a…

Optics · Physics 2013-07-17 Aida Delfan , J. E. Sipe

Molybdenum disulfide (MoS2) monolayers have attracted much attention for their novel optical properties and efficient light-matter interactions. When excited by incident laser, the optical response of MoS2 monolayers was effectively…

Optics · Physics 2016-02-16 Shuai Zu , Bowen Li , Yongji Gong , Pulickel M. Ajayan , Zheyu Fang

HfSe2 and ZrSe2 are newly discovered two-dimensional (2D) semiconducting transition metal dichalcogenides (TMDs) with promising properties for future nanoelectronics and optoelectronics. We theoretically revealed the electronic and optical…

Materials Science · Physics 2018-11-08 Hemendra Nath Jaiswal , Maomao Liu , Simran Shahi , Fei Yao , Qiyi Zhao , Xinlong Xu , Huamin Li

We are concerned with the quantitative mathematical understanding of surface plasmon resonance (SPR) when $d \geq 3$. SPR is the resonant oscillation of conducting electrons at the interface between negative and positive permittivity…

Analysis of PDEs · Mathematics 2022-09-28 Habib Ammari , Yat Tin Chow , Hongyu Liu , Mahesh Sunkula

Two-dimensional transition metal dichalcogenides (TMDCs), as promising alternative plasmonics supporting materials to graphene, exhibit potential applications in sensing. Here, we propose an ultrasensitive, accurate long-range surface…

Applied Physics · Physics 2018-12-19 Yi Xu , Chang-Yu Hsieh , Lin Wu , L. K. Ang

We report that rhomb-shaped metal nanoantenna arrays support multiple plasmonic resonances, making them favorable bio-sensing substrates. Besides the two localized plasmonic dipole modes associated with the two principle axes of the rhombi,…

A scheme for a surface plasmon resonance system under conditions of electromagnetically induced transparency (EIT) is proposed. The system is composed of three layers: a prism, a thin metal film, and a hybrid dielectric consisting of EIT…

Optics · Physics 2015-06-03 Chunguang Du

Sensors based on the phenomenon of surface plasmon resonance have limited sensitivity, up to 123 degree/Refractive Index Unit, which restricts their applicability in detecting subtle changes gin biological media (around 10-5 RIU). To…

Optics · Physics 2026-01-12 Rostyslav Terekhov , Zoya Eremenko , Sergii Kulish

Photoresponse of bimetallic Au-Ag nanoparticle embedded soda glass (Au-Ag@SG) substrate is reported for surface plasmon assisted optical switching using 808 nm excitation. Au-Ag@SG system is made by an ion beam technique where Ag^+ is…

Materials Science · Physics 2015-09-01 Sandip Dhara , C. -Y. Lu , P. Magudapathy , Y. -F. Huang , W. -S. Tu , K. -H. Chen

Visible surface plasmon resonances (SPRs) could be excited by TE wave polarization in one-dimensional photonic crystals (PCs) coated by a graphene layer under the Kretschmann configuration. In this work, the plasmonic Bloch wave properties…

Mesoscale and Nanoscale Physics · Physics 2021-06-30 A. Alidoust Ghatar , D. Jahani , W. Fritzche , F. Garwe

The adsorption of hydrogen on Au nanoparticles (NPs) of size of the order of 10 nm has been investigated by use of localised surface plasmon resonances (LSPR) in the NPs. The samples, formed by Au NPs obtained by oblique angle deposition on…

Mesoscale and Nanoscale Physics · Physics 2018-07-20 William L. Watkins , Yves Borensztein

It has been recently suggested that the nonlinear optical processes in plasmonic nanoantennas allow for a substantial boost in the sensitivity of plasmonic sensing platforms. Here we present a sensing device based on an array of…

Theoretical description of off-specular grazing-incidence nuclear resonant scattering of synchrotron radiation (Synchrotron M\"{o}ssbauer Reflectometry, SMR) is presented. The recently developed SMR, similarly to polarized neutron…

Other Condensed Matter · Physics 2015-03-04 L. Deak , L. Bottyan , D. L. Nagy , H. Spiering , Yu. N. Khaidukov , Y. Yoda

Surface plasmon resonance (SPR) chips are widely used to measure association and dissociation rates for the binding kinetics between two species of chemicals, e.g., cell receptors and ligands. It is commonly assumed that ligands are…

Quantitative Methods · Quantitative Biology 2016-12-07 Jacob Carroll , Matthew Raum , Kimberly Forsten-Williams , Uwe C. Täuber

We present here an experimental set-up to perform simultaneously measurements of surface plasmon resonance (SPR) and X-ray absorption spectroscopy (XAS) in a synchrotron beamline. The system allows measuring in situ and in real time the…

Instrumentation and Detectors · Physics 2015-06-04 A. Serrano , O. Rodríguez de la Fuente , V. Collado , J. Rubio-Zuazo , C. Monton , G. Castro , M. A. García

We report the realization of a dual surface plasmon polariton (SPP) microscope based on leakage radiation (LR) analysis. The microscope can either image SPP propagation in the direct space or tin the Fourier space. This particularity allows…

Quantitative magnetization transfer (qMT) imaging provides myelin-sensitive biomarkers, such as the pool size ratio (PSR), which is valuable for multiple sclerosis (MS) assessment. However, qMT requires specialized 20-30 minute scans. We…

Image and Video Processing · Electrical Eng. & Systems 2025-11-27 Jiacheng Wang , Hao Li , Xing Yao , Ahmad Toubasi , Taegan Vinarsky , Caroline Gheen , Joy Derwenskus , Chaoyang Jin , Richard Dortch , Junzhong Xu , Francesca Bagnato , Ipek Oguz

The strong coupling of plasmonic resonance modes in conductive pyramidal nanoparticles leads to an increase in the density of free charges on the surface. By ensuring plasmonic coupling in the pyramidal nanoparticle lattice, the achieved…

Tunable and ultrasensitive surface plasmon resonance (SPR) sensors are highly desirable for monitoring stress hormones such as cortisol, a steroid hormone formed in the adrenal glands in the human body. This paper describes the detection of…

In this work, we proposed a high resolution D-shaped photonic crystal fiber (PCF) surface plasmon resonance (SPR) sensor based on gold grating. Gold grating is introduced to modulate the resonance wavelength and enhance the refractive index…

Optics · Physics 2018-08-01 Junjie Lu , Yan Li , Yanhua Han , Yi Liu , Jianmin Gao