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A broadband detection method with coherent laser pulses exciting surface plasmons is investigated. The intensity and phase characteristics of the reflected light in Kretschmann configuration are calculated. It is shown that by mixing…

Instrumentation and Detectors · Physics 2018-11-14 Alexandre Kolomenskii , Elizabeth Surovic , Hans Schuessler

This paper presents a comprehensive study on a novel multilayer surface plasmon resonance (SPR) biosensor designed for detecting trace-level toxins in liquid samples with exceptional precision and efficiency. Leveraging the Kretschmann…

Systems and Control · Electrical Eng. & Systems 2025-01-31 Suripto Bhuiyan , Michael Geller

A mirrored bilayer structure incorporating layers of Graphene and MoS2 is proposed here for Surface Plasmon Resonance (SPR) biosensing and its performance is evaluated numerically. Starting from the basic configuration, the structure with…

Optics · Physics 2020-02-10 Sayeed Shafayet Chowdhury , Syed Mohammad Ashab Uddin

Plasmonic sensing is an established technology for real-time biomedical diagnostics and air-quality monitoring. While intensity and wavelength tracking are the most commonly used interrogation methods for Surface Plasmon Resonance (SPR),…

Surface Plasmon Resonance (SPR) is an important bio-sensing technique for real-time label-free detection. However, it is pivotal to optimize various parameters of the sensor configuration for efficient and highly sensitive sensing. To that…

Biological Physics · Physics 2020-07-20 Ehsan Kabir , Syed Mohammad Ashab Uddin , Sayeed Shafayet Chowdhury

Microplastics are pervasive pollutants that pose threats to the environment and human health. Detecting them reliably represents a crucial step toward finding solutions. While traditional techniques like vibrational and mass spectroscopies…

Instrumentation and Detectors · Physics 2025-05-29 Natalia A. Gutierrez Andrade , Yunfeng Nie , Wendy Meulebroeck , Heidi Ottevaere

We discuss the Surface-Plasmon-Resonance (SPR) technique based on Fourier -Transform - InfraRed (FTIR) spectrometry. We explore the potential of the infrared surface plasmon resonance technique for biological studies in aqueous solutions…

Biological Physics · Physics 2010-02-03 M. Golosovsky , V. Lirtsman , V. Yashunsky , D. Davidov , B. Aroeti

We report on a Surface-Plasmon-Resonance (SPR) technique based on Fourier -Transform - Infra - Red (FTIR) spectrometer. In contrast to the conventional surface plasmon technique, operating at a fixed wavelength and a variable angle of…

Soft Condensed Matter · Physics 2013-03-19 V. Lirtsman , M. Golosovsky , D. Davidov

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

In this paper we report a fiber optical sensor system based on surface plasmon resonance (SPR) with real-time response for biochemical interaction analysis. The fiber sensor is constructed from a multi-mode fiber with plastic cladding. To…

Applied Physics · Physics 2019-05-10 Zhixin Tan , Xuejin Li , Yuzhi Chen , Ping Fan

The measurement of in-plane birefringence ($\Delta{n}$) of ultrathin film is challenging due to a significant deviation of physical properties of materials in ultrathin regime as compared to that in bulk state. Surface plasmon resonance…

Soft Condensed Matter · Physics 2021-01-21 Amrit Kumar , Raj Kumar Gupta , V. Manjuladevi , Ashutosh Joshi

We present a simulation guided design for a multilayer surface plasmon resonance (SPR) based biosensor capable of detecting refractive index changes in a target induced by analytes. Surface plasmons are excited using a hybrid Kretschmann…

Optics · Physics 2025-12-23 R. Runthala , V. K. Venkatesh , D. Gupta , P. Arora

In this research we present a theory of the surface plasmon resonance (SPR) effect based on the dual length-scale driven damped collective quantum oscillations of the spill-out electrons in plasmonic material surface. The metallic electron…

Mesoscale and Nanoscale Physics · Physics 2023-02-28 M. Akbari-Moghanjoughi

We investigate the use of twin-mode quantum states of light with symmetric statistical features in their photon number for improving intensity-sensitive surface plasmon resonance (SPR) sensors. For this purpose, one of the modes is sent…

We present a numerical study of a divergent-beam Kretschmann surface plasmon resonance (SPR) platform for multiplexed malaria biosensing. A Powell-lens-generated angular fan enables camera-based angular interrogation of spatially separated…

Optics · Physics 2026-04-22 Amos. S. Kiyumbi , Jordan. H. Hossea

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

When a sculptured thin film (STF), made of a metal and $\leq50$ nm thick, is used in lieu of a dense layer of metal in the Kretschmann configuration, experimental data for an STF comprising parallel tilted nanowires shows that a surface…

Optics · Physics 2009-11-13 Ibrahim Abdulhalim , Akhlesh Lakhtakia , Amit Lahav , Fan Zhang , Jian Xu

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

Surface plasmon resonance (SPR)-based biosensors are widely used instruments for characterizing molecular interactions. In theory the SPR signal depends only on mass changes for interacting molecules of same chemical nature. Whether…

Biomolecules · Quantitative Biology 2023-04-12 Daniel Dobrovodský , Carmelo Di Primo

Biosensors based on the principle of surface plasmon resonance (SPR) detection were used to measure biomolecular interactions in sarcomeres and changes of the dielectric constant of tubulin samples with varying concentration. At SPR,…

Quantum Physics · Physics 2015-06-26 Hans A. Schuessler , Alexander A. Kolomenskii , Andreas Mershin , D. V. Nanopoulos
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