Plasmonics最新文献

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Research on Surface Plasmon Resonance Sensing of Metal Nano hollow Elliptic Cylinder 金属纳米空心椭圆圆柱表面等离子体共振传感研究
IF 3 4区 物理与天体物理
Plasmonics Pub Date : 2023-07-24 DOI: 10.1007/s11468-023-01930-w
Dandan Zhu, Lixin Kang, Kai Tong, Shancheng Yu, Jin-Guo Chai, Zhengtai Wang, LuLu Xu, Yuxuan Ren
{"title":"Research on Surface Plasmon Resonance Sensing of Metal Nano hollow Elliptic Cylinder","authors":"Dandan Zhu,&nbsp;Lixin Kang,&nbsp;Kai Tong,&nbsp;Shancheng Yu,&nbsp;Jin-Guo Chai,&nbsp;Zhengtai Wang,&nbsp;LuLu Xu,&nbsp;Yuxuan Ren","doi":"10.1007/s11468-023-01930-w","DOIUrl":"10.1007/s11468-023-01930-w","url":null,"abstract":"<div><p>In this article, a new three-dimensional multi-layered nanoscale elliptical cylinder structure-based surface plasmon resonance sensor is designed, which utilizes the finite difference time domain method and FDTD simulation software for numerical simulation. The top of the structure is an elliptical cylinder array attached to a gold film with nanoholes. The middle layer is a dielectric layer, which can restrict the electromagnetic field. The bottom layer is an Au film and Si substrate. Surface plasmon resonance is excited by a vertically incident plane wave structure, and the incident electromagnetic wave is coupled to local surface plasmon through gold nanoscale elliptical cylinders. By adjusting the relevant structural parameters, the structure’s resonance wavelength and resonance depth can be well adjusted. The optimized sensing structure has a smaller half-width than the traditional solid elliptical cylinder, higher sensitivity, and a larger quality factor. This structure can detect refractive indices in both gaseous and liquid environments, overcome the disadvantage of only being able to sense in a single environment, and provide a new approach for surface plasmon resonance sensing in biology and chemistry.</p></div>","PeriodicalId":736,"journal":{"name":"Plasmonics","volume":"18 6","pages":"2405 - 2413"},"PeriodicalIF":3.0,"publicationDate":"2023-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48620221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
SPR-Based Label-Free Sensor for RI-Based Detection of Urea Concentration 基于SPR的无标记传感器用于基于RI的尿素浓度检测
IF 3 4区 物理与天体物理
Plasmonics Pub Date : 2023-07-22 DOI: 10.1007/s11468-023-01956-0
Lokendra Singh, Abdulkarem H. M. Almawgani, Yesudasu Vasimalla, Roshan Kumar, Turki Alsuwian
{"title":"SPR-Based Label-Free Sensor for RI-Based Detection of Urea Concentration","authors":"Lokendra Singh,&nbsp;Abdulkarem H. M. Almawgani,&nbsp;Yesudasu Vasimalla,&nbsp;Roshan Kumar,&nbsp;Turki Alsuwian","doi":"10.1007/s11468-023-01956-0","DOIUrl":"10.1007/s11468-023-01956-0","url":null,"abstract":"<div><p>The real-time, label-free, and high sensitivity are the inherent advantages of surface plasmon resonance (SPR) technology, making it the most versatile tool for sensing the street. It has been extensively used in various fields such as healthcare, management of the environment, and food-borne diseases. In the last several decades, kidney-related issues become more serious and resulting in physical degeneration and even death. The glomerular filtration rate (GFR) defines the functioning of the kidney concerning blood filtration. The GFR rate gets degraded with the increase in urea concentration in human bodies. Therefore, this study presents a highly sensitive gold nanoparticle SPR sensor based on an angular interrogation method for the enzymatic detection of urea samples. The biocompatibility of the sensor is enhanced by functionalizing the sensor with layers of molybdenum disulfide (MoS<sub>2</sub>) and cerium oxide (CeO<sub>2</sub>). Exposing the sensor to analytes without any biocompatible layer achieves a maximum sensitivity of 186.50°/RIU. On the other hand, a maximum sensitivity of 217.50°/RIU and 275°/RIU is attained for Au/MoS<sub>2</sub>/urease and Au/CeO<sub>2</sub>/urease combinations, respectively.</p></div>","PeriodicalId":736,"journal":{"name":"Plasmonics","volume":"18 6","pages":"2385 - 2392"},"PeriodicalIF":3.0,"publicationDate":"2023-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45832360","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High Resolution and Sensitivity Negative Curvature Hollow Core Fiber Refractive Index Sensor Based on LSPR 基于LSPR的高分辨率、高灵敏度负曲率空心光纤折射率传感器
IF 3 4区 物理与天体物理
Plasmonics Pub Date : 2023-07-21 DOI: 10.1007/s11468-023-01935-5
Xingwang Cui, Jianshe Li, Shuguang Li, Haitao Guo, Ruiduo Wang, Xinxin Ma, Qiang Chen, Chun Wang, Xiaojian Meng, Chengjun Wang, Hao Zhang, Yuanyuan Zhao, Xingwei Li, Geng Li
{"title":"High Resolution and Sensitivity Negative Curvature Hollow Core Fiber Refractive Index Sensor Based on LSPR","authors":"Xingwang Cui,&nbsp;Jianshe Li,&nbsp;Shuguang Li,&nbsp;Haitao Guo,&nbsp;Ruiduo Wang,&nbsp;Xinxin Ma,&nbsp;Qiang Chen,&nbsp;Chun Wang,&nbsp;Xiaojian Meng,&nbsp;Chengjun Wang,&nbsp;Hao Zhang,&nbsp;Yuanyuan Zhao,&nbsp;Xingwei Li,&nbsp;Geng Li","doi":"10.1007/s11468-023-01935-5","DOIUrl":"10.1007/s11468-023-01935-5","url":null,"abstract":"<div><p>A negative curvature hollow core fiber (NCHCF) refractive index (RI) sensor based on localized surface plasmon resonance (LSPR) is proposed. The gold nanowires are deposited in four cladding tubes in the <i>y</i>-direction, with the core region serving as the analyte channel. The full vector finite element method (FEM) is used to analyze the influence of various structural parameters on this sensor, and the structural parameters are optimized and selected. Ultimately, an average sensitivity of 9356.59 nm/RIU is accomplished within a spacious refractive index detection scope of RI = 1.28–1.43. The sensor attained a maximum sensitivity of 10,220 nm/RIU at RI = 1.36. In the bargain, there is an excellent linear correlation between the resonance wavelength and the refractive index of the analyte, with a value of 0.99901 and a factor of merit (FOM) range of 119.9563–155.9432 RIU<sup>−1</sup>, achieving a resolution of 10<sup>−6</sup> RIU. The sensor has potential applications in various fields such as environmental protection, food safety, and medical diagnostics due to its high sensitivity, spacious detection scope, and positive linear response.</p></div>","PeriodicalId":736,"journal":{"name":"Plasmonics","volume":"18 6","pages":"2375 - 2383"},"PeriodicalIF":3.0,"publicationDate":"2023-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44434559","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
State of the Art Alliance of Refractive Index Sensing and Spectroscopy Techniques for Household Oils Analysis 家用油品分析折射率传感和光谱技术最先进联盟
IF 3 4区 物理与天体物理
Plasmonics Pub Date : 2023-07-21 DOI: 10.1007/s11468-023-01940-8
Amit Kumar Shakya, Surinder Singh
{"title":"State of the Art Alliance of Refractive Index Sensing and Spectroscopy Techniques for Household Oils Analysis","authors":"Amit Kumar Shakya,&nbsp;Surinder Singh","doi":"10.1007/s11468-023-01940-8","DOIUrl":"10.1007/s11468-023-01940-8","url":null,"abstract":"<div><p>This article presents a intermingle of refractive index (<span>(RI))</span> sensing and spectroscopy for household oil monitoring. A spectroscopy sensing setup is shown to investigate transmission (%) and absorbance (<span>(AU)</span>) from household oil samples. Five different oil samples, olive oil, kerosene oil, red palm oil, turpentine oil, and mineral oil, are analyzed from the developed setup. The transmission (%) obtained for olive, kerosene, red palm, turpentine, and mineral oil is <span>(75.65)</span>, <span>(72.10)</span>, <span>(69.68)</span>, <span>(67.12,)</span> and <span>(66.41,)</span> respectively. The absorbance (<span>(AU)</span>) for olive oil, kerosene oil, red palm oil, turpentine oil, and mineral oil is <span>(1.21 AU)</span>, <span>(1.42 AU)</span>, <span>(1.58 AU)</span>, <span>(1.64 AU)</span>, and <span>(1.77 AU)</span> respectively. Later a plasmonic refractive index (<span>(RI)</span>) sensor is designed and presented for household monitoring based on a <span>(RI)</span> variation. The <span>(RI)</span> range of household oils is <span>(1.44-1.48 RIU)</span> and investigated at an interval of <span>(0.005.)</span> The wavelength sensitivity (<span>(WS)</span>) obtained from the sensor model for <span>(X-pol.)</span> and <span>(Y-pol.)</span> are <span>(24000 nm/RIU)</span> and <span>(20000 nm/RIU,)</span> respectively. The amplitude sensitivity <span>((AS))</span> of the sensor is <span>(21580 {RIU}^{-1})</span> and <span>(18470 {RIU}^{-1})</span> corresponding to <span>(X-pol)</span>. and <span>(Y-pol.)</span> respectively. The sensor resolution (<span>(SR)</span>) of order <span>({10}^{-6})</span> is obtained concerning both polarization modes. The figure of merit (<span>(FOM)</span>) of the sensor model is <span>(187.50 {RIU}^{-1})</span> and <span>(216.21 {RIU}^{-1})</span> corresponding to <span>(X-pol.)</span> and <span>(Y-pol.)</span> respectively. Finally, the novel link between the spectroscopy and <span>(RI)</span> sensing parameters is explored and presented in this article.</p></div>","PeriodicalId":736,"journal":{"name":"Plasmonics","volume":"18 6","pages":"2347 - 2364"},"PeriodicalIF":3.0,"publicationDate":"2023-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42122645","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
High Figure of Merit Refractive Index Sensor Derived From the Axial Length Ratio of Elliptically Polarized Light of Chiral Plasmonic Structure Arrays 由手性等离子体结构阵列椭圆偏振光轴长比导出的高优折射率传感器
IF 3 4区 物理与天体物理
Plasmonics Pub Date : 2023-07-21 DOI: 10.1007/s11468-023-01947-1
Xupeng Zhu, Huimin Shi, Shi Zhang, Mengjie Zheng, Peng Dai, Ruomeng Huang, Jun Liao, Shuwen Xue, Jun Zhang
{"title":"High Figure of Merit Refractive Index Sensor Derived From the Axial Length Ratio of Elliptically Polarized Light of Chiral Plasmonic Structure Arrays","authors":"Xupeng Zhu,&nbsp;Huimin Shi,&nbsp;Shi Zhang,&nbsp;Mengjie Zheng,&nbsp;Peng Dai,&nbsp;Ruomeng Huang,&nbsp;Jun Liao,&nbsp;Shuwen Xue,&nbsp;Jun Zhang","doi":"10.1007/s11468-023-01947-1","DOIUrl":"10.1007/s11468-023-01947-1","url":null,"abstract":"<div><p>The refractive index sensor based on the Fano resonance effect (that is, Fano sensor) is one promising branch of plasmonic sensing applications owing to its narrow spectral line shape. Further improvement in the sensitivity and figure of merit (FOM) is the main issue in this field. In contrast to the Fano sensor, herein, we report a novel ultra-sensitive refractive index sensor based on the axial length ratio of transmitted elliptically polarized light of chiral plasmonic structure arrays (that is, ratio sensor). Compared with the optimized Fano sensor in the same asymmetric chiral plasmonic structure arrays, the proposed ratio sensor shows a better sensitivity performance of 556.9 nm/RIU, that is, 1.31 times higher than that of the optimized Fano sensor. Specifically, the quality factor of the spectral line shape and FOM of the proposed ratio sensor reach 121.6 and 60, respectively, that are 2.14 and 2.92 times higher than those of the optimized Fano sensor, respectively. Our study proposes a potential path to achieve high-quality ultra-sensitive refractive index sensing.</p></div>","PeriodicalId":736,"journal":{"name":"Plasmonics","volume":"18 6","pages":"2365 - 2373"},"PeriodicalIF":3.0,"publicationDate":"2023-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42665896","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design of Graphene Metasurface Sensor for Efficient Detection of COVID-19 用于新冠肺炎有效检测的石墨烯金属表面传感器的设计
IF 3 4区 物理与天体物理
Plasmonics Pub Date : 2023-07-19 DOI: 10.1007/s11468-023-01946-2
Jacob Wekalao, Osamah Alsalman, N. A. Natraj, Jaymit Surve, Juveriya Parmar, Shobhit K. Patel
{"title":"Design of Graphene Metasurface Sensor for Efficient Detection of COVID-19","authors":"Jacob Wekalao,&nbsp;Osamah Alsalman,&nbsp;N. A. Natraj,&nbsp;Jaymit Surve,&nbsp;Juveriya Parmar,&nbsp;Shobhit K. Patel","doi":"10.1007/s11468-023-01946-2","DOIUrl":"10.1007/s11468-023-01946-2","url":null,"abstract":"<div><p>The COVID-19 pandemic has underscored the essential need for quick and precise virus detection techniques, to stop the virus from spreading. In this paper, we have proposed a brand-new graphene metasurface sensor for effective COVID-19 detection. We have used graphene metasurfaces to increase the sensitivity of the proposed sensor. The suggested sensor architecture takes advantage of the plasmonic characteristics of graphene metasurfaces to enable the detection of particular COVID-19-related biomarkers. Strong light-graphene interactions are achieved through careful tailoring of the graphene metasurface geometry, resulting in improved sensing capabilities. The suggested graphene metasurface sensor has a number of benefits, including its small size, low cost, and ability to work with current detecting systems. Additionally, its label-free detection methodology does away with the need for laborious sample preparation stages, enabling quick on-site testing. The sensor's performance is compared to current state-of-the-art detection techniques in order to demonstrate its higher sensitivity and effectiveness. The sensor achieves a maximum sensitivity of sensitivity of 600 GHz/RIU and an excellent FOM value of 4.959 RIU<sup>−1</sup>.</p></div>","PeriodicalId":736,"journal":{"name":"Plasmonics","volume":"18 6","pages":"2335 - 2345"},"PeriodicalIF":3.0,"publicationDate":"2023-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44451050","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Multimetal–VO2 Switchable Plasmonic Metasurface for High Contrast Optical Switching and Control at Short Wavelength Infrared Regime 用于短波红外高对比度光开关和控制的多金属- vo2可切换等离子体超表面
IF 3 4区 物理与天体物理
Plasmonics Pub Date : 2023-07-18 DOI: 10.1007/s11468-023-01953-3
P. Mandal
{"title":"Multimetal–VO2 Switchable Plasmonic Metasurface for High Contrast Optical Switching and Control at Short Wavelength Infrared Regime","authors":"P. Mandal","doi":"10.1007/s11468-023-01953-3","DOIUrl":"10.1007/s11468-023-01953-3","url":null,"abstract":"<div><p>A switchable plasmonic metasurface is proposed for high contrast optical switching and control at short wavelength infrared regime. The metasurface is made of metal–VO<sub>2</sub>–metal (MVM) multilayer layer pairs structured centrally with circular cylindrical ring aperture and investigated numerically using FDTD computations. Left circularly polarized (LCP) light excitation shows two resonant reflection dips at  ~ 2.5 µm and ~ 1 µm for semiconducting VO<sub>2</sub> and single resonant dip at ~ 1 µm for metallic VO<sub>2</sub>. From the near-field analysis, we attribute the high wavelength reflection dip to the strong confinement of magnetic near-fields at the VO<sub>2</sub> regime and the lower wavelength reflection dip to the electric dipole resonance. The change in VO<sub>2</sub> phase from semiconducting to metallic or vice versa results in significant reflection switching (Δ<i>R</i>), &gt; 60% for the higher wavelength (2.5 µm) reflection dip. The study also confirms the reflection switching to be polarization independent with large launch angle tolerance (&gt; 10°). The design flexibility is further tested numerically by replacing various metal layers, central discs size, number of layer pairs and periods showing wide workable wavelengths ranging from 1.5 to 3 µm. Structuring the central discs system shows further modulation in the working wavelength and high wavelength reflection switching (Δ<i>R</i>) &gt; 80% with large bandwidth &gt; 500 nm (full width at half-maximum (FWHM)). The proposed metasurface is suitable for optoelectronic device integration for dynamic control and high contrast optical switching at the infrared regime.</p></div>","PeriodicalId":736,"journal":{"name":"Plasmonics","volume":"18 6","pages":"2323 - 2334"},"PeriodicalIF":3.0,"publicationDate":"2023-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47937140","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Preparation of Polarization-Independent Absorbers Using Gold and Silicon Dioxide 用金和二氧化硅制备非偏振吸收剂
IF 3 4区 物理与天体物理
Plasmonics Pub Date : 2023-07-17 DOI: 10.1007/s11468-023-01952-4
Jiahao Li, Bo Wang, Xiaofeng Wang
{"title":"Preparation of Polarization-Independent Absorbers Using Gold and Silicon Dioxide","authors":"Jiahao Li,&nbsp;Bo Wang,&nbsp;Xiaofeng Wang","doi":"10.1007/s11468-023-01952-4","DOIUrl":"10.1007/s11468-023-01952-4","url":null,"abstract":"<div><p>This study proposes a polarization-independent narrowband absorber based on silicon dioxide and gold composition, which can work for both TE and TM polarizations. The transverse electric polarization absorption efficiency of the absorber at 731 nm is 99.34%, and the transverse magnetic polarization absorption efficiency at 741 nm is 94.82%. We studied the normalized electromagnetic field distribution at resonance wavelengths under TE polarization and TM polarization, which could illustrate the electromagnetic intensity distribution in the absorber. Finally, the parameter tolerance of the absorber was studied and analyzed, and it was found that this polarization-independent narrowband absorber has great application prospects. It can be applied in fields such as high-sensitivity sensors and optical detection.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":736,"journal":{"name":"Plasmonics","volume":"18 6","pages":"2315 - 2322"},"PeriodicalIF":3.0,"publicationDate":"2023-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43873047","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Flexible Polarization Manipulation Using Multi-band and Wide-angle Multi-function Reflective Polarization Metasurface for Terahertz Regime 太赫兹区域多波段广角多功能反射偏振元表面的柔性偏振操作
IF 3 4区 物理与天体物理
Plasmonics Pub Date : 2023-07-15 DOI: 10.1007/s11468-023-01943-5
Qi Zheng, Jingjing Qi, Peyman PourMohammadi
{"title":"Flexible Polarization Manipulation Using Multi-band and Wide-angle Multi-function Reflective Polarization Metasurface for Terahertz Regime","authors":"Qi Zheng,&nbsp;Jingjing Qi,&nbsp;Peyman PourMohammadi","doi":"10.1007/s11468-023-01943-5","DOIUrl":"10.1007/s11468-023-01943-5","url":null,"abstract":"<div><p>In this paper, a metasurface-based reflective polarization converter for multi-band multi-functional polarization conversion with high-efficiency and wide-angle in the terahertz region is presented. The proposed metasurface cell is formed by a hybrid resonator composed of a modified double V and a stepped cut-wire, and a single-layer polyimide backed with gold. In the frequency band of 0.7–1.1 THz and 1.72–1.92THz, a linearly <i>y</i>-/<i>x</i>-polarized (LP) incident EM wave is converted into its cross-polarized direction with a polarization conversion ratio greater than 0.9 (PCR &gt; 0.9). Also, in the frequency band of 1.05–1.71THz, an LP incident EM wave is converted into a circularly polarized reflective wave with an axial ratio (AR) less than 3 dB (AR &lt; 3 dB). The multi-functional polarization conversion performance stays stable even though the incident angle up to <span>(40^circ)</span>. The numerical calculations, and physical insight analysis using surface currents distributions are studied. The results demonstrate that the proposed converter provides a new and efficient method to design high-efficient, incident angle insensitive, multi-band polarization converter for multiple polarization conversion in the terahertz frequency bands. The design can find potential applications in multi-band and multi-polarization THz communication, imaging, and sensing.</p></div>","PeriodicalId":736,"journal":{"name":"Plasmonics","volume":"18 6","pages":"2263 - 2272"},"PeriodicalIF":3.0,"publicationDate":"2023-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46044466","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ultrasensitive Photonic Crystal Fiber Sensor for Identifying Various Explosives 用于识别各种爆炸物的超灵敏光子晶体光纤传感器
IF 3 4区 物理与天体物理
Plasmonics Pub Date : 2023-07-15 DOI: 10.1007/s11468-023-01944-4
Dharini Srivastava, Sapana Yadav, Adarsh Chandra Mishra, Sachin Singh, Vipin Kumar, Pooja Lohia, D. K. Dwivedi
{"title":"Ultrasensitive Photonic Crystal Fiber Sensor for Identifying Various Explosives","authors":"Dharini Srivastava,&nbsp;Sapana Yadav,&nbsp;Adarsh Chandra Mishra,&nbsp;Sachin Singh,&nbsp;Vipin Kumar,&nbsp;Pooja Lohia,&nbsp;D. K. Dwivedi","doi":"10.1007/s11468-023-01944-4","DOIUrl":"10.1007/s11468-023-01944-4","url":null,"abstract":"<div><p>The present work has been performed with an intent of designing a robust, profound, and highly sensitive sensor for numerous explosive detections. The main objective of the present study is to design a simplified structure with fabrication feasibilities. The proposed structure of an explosive detector includes a hollow core surrounded with four sectored-type air holes in the cladding area and silica as background of the fiber which operates for 1–2 THz frequency band. Furthermore, the optical guiding property of the detector is examined, and numerical study has been performed. The modelling has been performed with the help of COMSOL Multiphysics 5.6a software based on finite element method, and Origin 2023 software is used for plotting and analyzing the characteristic curves. The suggested sensor structure has been analyzed for various explosives such as TNT, RDX, HMX, and PETN. Optical parameters such as effective refractive index, confinement loss, effective area, nonlinearity, propagation constant, and relative sensitivity have been evaluated. The proposed structure offers relative sensitivity of 84.02%, 69.42%, 71%, and 79.31% for TNT, RDX, HMX, and PETN samples, respectively. The proposed detector structure offers better sensing proficiency for explosive detection. The simplified design favors the fabrication possibilities and makes it economically effective. The proposed study will add up to the developments in the field of photonics and chemical detection and, moreover, will open new doors for better application for security and explosive sensing.</p></div>","PeriodicalId":736,"journal":{"name":"Plasmonics","volume":"18 6","pages":"2295 - 2304"},"PeriodicalIF":3.0,"publicationDate":"2023-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45984756","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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