scholarly journals Optical Sensors based on Surface Plasmon Resonance

2020 ◽  
Vol 32 (12) ◽  
pp. 2953-2959
Author(s):  
Tan Tai Nguyen ◽  
Kieu Vo Thi Diem
Keyword(s):  
Surface Plasmon Resonance ◽  
Surface Plasmon ◽  
Optical Sensors ◽  
Plasmon Resonance ◽  
Phase Modulation ◽  
Wavelength Modulation ◽  
Sensing Technology ◽  
Transduction Signal ◽  
Detection Schemes ◽  
Modulation Wavelength

This brief review presents the recent process in optical sensors based on surface plasmon resonance (SPR). In particular, it will focus on the optical sensors that employ the change of refractive index as the sensing transduction signal. Various detection schemes of optical sensors which include phase modulation, wavelength modulation and intensity modulation are discussed. The performance advantageous and disadvantageous of the description of optical sensors structure and their respective experimental configurations are also described. The examples of detection in chemistry, biology and heavy metals will be presented. Future prospects of surface plasmon resonance (SPR) sensing technology is also discussed.

scholarly journals Surface Plasmonic Sensors: Sensing Mechanism and Recent Applications

Sensors ◽  
2021 ◽  
Vol 21 (16) ◽  
pp. 5262
Author(s):  
Qilin Duan ◽  
Yineng Liu ◽  
Shanshan Chang ◽  
Huanyang Chen ◽  
Jin-hui Chen
Keyword(s):  
Surface Plasmon Resonance ◽  
Optical Fiber ◽  
Surface Plasmon ◽  
Optical Sensors ◽  
Plasmon Resonance ◽  
2D Materials ◽  
Localized Surface Plasmon ◽  
Plasmonic Sensors ◽  
Hyperbolic Dispersion ◽  
Challenges And Opportunities

Surface plasmonic sensors have been widely used in biology, chemistry, and environment monitoring. These sensors exhibit extraordinary sensitivity based on surface plasmon resonance (SPR) or localized surface plasmon resonance (LSPR) effects, and they have found commercial applications. In this review, we present recent progress in the field of surface plasmonic sensors, mainly in the configurations of planar metastructures and optical-fiber waveguides. In the metastructure platform, the optical sensors based on LSPR, hyperbolic dispersion, Fano resonance, and two-dimensional (2D) materials integration are introduced. The optical-fiber sensors integrated with LSPR/SPR structures and 2D materials are summarized. We also introduce the recent advances in quantum plasmonic sensing beyond the classical shot noise limit. The challenges and opportunities in this field are discussed.

scholarly journals GeSe nanosheets modified surface plasmon resonance sensors for enhancing sensitivity

Nanophotonics ◽  
2020 ◽  
Vol 9 (2) ◽  
pp. 327-336 ◽  
Author(s):  
Yuting Zhao ◽  
Shuaiwen Gan ◽  
Leiming Wu ◽  
Jiaqi Zhu ◽  
Yuanjiang Xiang ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Surface Plasmon Resonance ◽  
Surface Plasmon ◽  
Plasmon Resonance ◽  
Germanium Selenide ◽  
Spr Sensor ◽  
Enhanced Sensitivity ◽  
Sensing Technology ◽  
Photovoltaic Applications ◽  
Modified Surface

AbstractGermanium selenide (GeSe) nanosheets are stable and inexpensive and considered to have a great potential for photovoltaic applications, however we have demonstrated that GeSe nanosheets are also promising for sensing technology, in this paper. By spin-coating the GeSe nanosheets on the surface of noble metal (Au), we have obtained a surface plasmon resonance (SPR) sensor with significantly enhanced sensitivity, and the performance of the sensor is closely related to the thickness of the GeSe film. By detecting different refractive index solutions, we have obtained the optimized sensitivity with 3581.2 nm/RIU (which is nearly 80% improvement compared to traditional SPR sensors) and figure of merit with 14.37 RIU−1. Moreover, the proposed SPR sensor was vastly superior in sensing Pb2+ heavy metal ions after coating it with chitosan and GeSe composite. A maximum sensitivity of 30.38 nm/μg/l has been verified, which is nearly six times better than that of conventional SPR sensor. Our results demonstrated that GeSe nanosheets overlayer with modified SPR sensor has its great potential in heavy metal detection and chemical-specific molecular identification.

scholarly journals Development of Phase Detection Schemes Based on Surface Plasmon Resonance Using Interferometry

Sensors ◽  
2014 ◽  
Vol 14 (9) ◽  
pp. 15914-15938 ◽  
Author(s):  
Muhammad Kashif ◽  
Ahmad Bakar ◽  
Norhana Arsad ◽  
Sahbudin Shaari
Keyword(s):  
Surface Plasmon Resonance ◽  
Surface Plasmon ◽  
Plasmon Resonance ◽  
Phase Detection ◽  
Detection Schemes

Surface Plasmon Resonance Optical Sensors for Engine Oil Monitoring

2015 ◽  
pp. 115-118 ◽  
Author(s):  
Alessandra Ricciardi ◽  
Adriano Colombelli ◽  
Giovanni Montagna ◽  
Maria Grazia Manera ◽  
Marco Milanese ◽  
...  
Keyword(s):  
Surface Plasmon Resonance ◽  
Surface Plasmon ◽  
Optical Sensors ◽  
Plasmon Resonance ◽  
Engine Oil ◽  
Oil Monitoring
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