Particle Trapping Properties of Metal Annular Slits under Vector Field Excitation
This article presents the particle capture performance of annular slits, which offer a simple alternative to complex micro/nano structures used to excite and focus surface plasmon polaritons (SPPs). Additionally, the annular slits are compatible with a variety of vector light fields, generating dive...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-04-01
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| Series: | Photonics |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2304-6732/10/4/445 |
| _version_ | 1797603827603472384 |
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| author | Chunyan Bai Jiqing Lian Xiangcai Ma Peizhen Qiu Dileep Kumar Saima Kanwal |
| author_facet | Chunyan Bai Jiqing Lian Xiangcai Ma Peizhen Qiu Dileep Kumar Saima Kanwal |
| author_sort | Chunyan Bai |
| collection | DOAJ |
| description | This article presents the particle capture performance of annular slits, which offer a simple alternative to complex micro/nano structures used to excite and focus surface plasmon polaritons (SPPs). Additionally, the annular slits are compatible with a variety of vector light fields, generating diverse SPP field distributions under their excitation. These SPP fields can be regulated by varying the vector light field parameters, thereby offering the annular slit structure the ability to flexibly capture and manipulate particles. The rotation and movement of captured objects can be achieved by changing the position and phase difference of the incident beams with linear polarization. Different material and sized metallic particles can be stably captured with a radially polarized beam excitation due to the strong convergence. These capabilities are demonstrated by evaluating the optical force and trapping potential based on the finite difference time domain (FDTD) simulation. This study provides valuable insights into the practical application of annular slits for particle capture and manipulation. |
| first_indexed | 2024-03-11T04:37:36Z |
| format | Article |
| id | doaj.art-badba6b8c69c474bbd0070ce7206d3f4 |
| institution | Directory Open Access Journal |
| issn | 2304-6732 |
| language | English |
| last_indexed | 2024-03-11T04:37:36Z |
| publishDate | 2023-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Photonics |
| spelling | doaj.art-badba6b8c69c474bbd0070ce7206d3f42023-11-17T20:58:10ZengMDPI AGPhotonics2304-67322023-04-0110444510.3390/photonics10040445Particle Trapping Properties of Metal Annular Slits under Vector Field ExcitationChunyan Bai0Jiqing Lian1Xiangcai Ma2Peizhen Qiu3Dileep Kumar4Saima Kanwal5Shanghai Publishing and Printing College, Shanghai 200093, ChinaShanghai Publishing and Printing College, Shanghai 200093, ChinaShanghai Publishing and Printing College, Shanghai 200093, ChinaSchool of Science, Huzhou University, Huzhou 313000, ChinaState Key Laboratory of Industrial Control Technology, College of Control Science and Engineering, Zhejiang University, Hangzhou 310027, ChinaEngineering Research Center of Optical Instrument and Systems, Ministry of Education and Shanghai Key Lab of Modern Optical System, University of Shanghai for Science and Technology, No. 516 Jun Gong Road, Shanghai 200093, ChinaThis article presents the particle capture performance of annular slits, which offer a simple alternative to complex micro/nano structures used to excite and focus surface plasmon polaritons (SPPs). Additionally, the annular slits are compatible with a variety of vector light fields, generating diverse SPP field distributions under their excitation. These SPP fields can be regulated by varying the vector light field parameters, thereby offering the annular slit structure the ability to flexibly capture and manipulate particles. The rotation and movement of captured objects can be achieved by changing the position and phase difference of the incident beams with linear polarization. Different material and sized metallic particles can be stably captured with a radially polarized beam excitation due to the strong convergence. These capabilities are demonstrated by evaluating the optical force and trapping potential based on the finite difference time domain (FDTD) simulation. This study provides valuable insights into the practical application of annular slits for particle capture and manipulation.https://www.mdpi.com/2304-6732/10/4/445particle trappingannular slitmicro-nano structurevector light fieldsurface plasmon polaritons (SPPs) |
| spellingShingle | Chunyan Bai Jiqing Lian Xiangcai Ma Peizhen Qiu Dileep Kumar Saima Kanwal Particle Trapping Properties of Metal Annular Slits under Vector Field Excitation Photonics particle trapping annular slit micro-nano structure vector light field surface plasmon polaritons (SPPs) |
| title | Particle Trapping Properties of Metal Annular Slits under Vector Field Excitation |
| title_full | Particle Trapping Properties of Metal Annular Slits under Vector Field Excitation |
| title_fullStr | Particle Trapping Properties of Metal Annular Slits under Vector Field Excitation |
| title_full_unstemmed | Particle Trapping Properties of Metal Annular Slits under Vector Field Excitation |
| title_short | Particle Trapping Properties of Metal Annular Slits under Vector Field Excitation |
| title_sort | particle trapping properties of metal annular slits under vector field excitation |
| topic | particle trapping annular slit micro-nano structure vector light field surface plasmon polaritons (SPPs) |
| url | https://www.mdpi.com/2304-6732/10/4/445 |
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