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Content Provider | IET Digital Library |
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Author | Khoshdel, Vahid Saremi, Mehrdad Shokooh |
Abstract | In this work, the performance of the nano bow-tie arrays for biosensing applications has been investigated. Since the geometrical parameters of the device such as the bow-tie length and gap size have major effects on the system's optical response, a parametric study based on finite-difference time-domain (FDTD) method has been conducted. In order to enhance the sensitivity, two bow-tie shaped nanoparticles in the form of 2 × 1 and 2 × 2 arrays have been developed. In the case of TM polarisation, a sensitivity up to 923 nm/RIU with a figure of merit (FOM) of 5.5 has been obtained for 2 × 2 nano bow-tie array. Moreover, the performance of the proposed nanoparticles for TE polarisation has been evaluated and a FOM exceeding 15.9 has been achieved for single nano bow-tie. According to this study, the proposed nano bow-tie structures have a great potential for sensing and detection applications. |
Starting Page | 566 |
Ending Page | 571 |
Page Count | 6 |
Volume Number | 14 |
e-ISSN | 17500443 |
Issue Number | Issue 5, May (2019) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/14/5 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2018.5588 |
Journal | Micro & Nano Letters |
Publisher Date | 2019-05-01 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | 2 × 2 Nanobow-tie Array Biosensing Application Bow-tie Length Bow-tie Shaped Nanoparticles Detection Application Enhanced LSPR Refractive Index Sensing Finite Difference Time Domain Method Finite Difference Time-Domain Analysis Gap Size Geometrical Parameter Light Polarisation Microsensors And Nanosensors Nanoparticle Nanophotonic Device And Technology Nanophotonics Nanosensor Optical Array Optical Instrument And Technique Optical Sonsor Optical Variables Measurement Plasmonic Nanobow-tie Array Refractive Index Refractive Index Measurement Sensing And Detecting Device Sensor Array Surface Plasmon Polariton Propagation Property TM Polarisation |
Content Type | Text |
Resource Type | Article |
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