Design and Analysis of Waveguide Structure Sensor Based on Nanoparticles and Left-handed Material
| Authors | M.S. Hamada1, M.M. Shabat2 |
| Affiliations |
1Al-Aqsa University, Gaza, Gaza Strip P. O. Box 4051, Palestinian Authority 2Islamic University, Gaza, Gaza Strip P. O. Box 10, Palestinian Authority |
| Е-mail | shabat@iugaza.edu.ps |
| Issue | Volume 11, Year 2019, Number 6 |
| Dates | Received 11 July 2019; revised manuscript received 06 December 2019; published online 13 December 2019 |
| Citation | M.S. Hamada, M.M. Shabat, J. Nano- Electron. Phys. 11 No 6, 06004 (2019) |
| DOI | https://doi.org/10.21272/jnep.11(6).06004 |
| PACS Number(s) | 07.07.Df, 41.20.Jb, 42.25.Bs, 42.15.Eq |
| Keywords | Nanoparticles (70) , Dispersion relation, Sensitivity (11) , Left-handed materials (2) . |
| Annotation |
The use of left-handed materials in scientific applications has attracted attention of many researchers in the last few years. Nanoparticles are also new materials with small size in scale of nanometer which are rapidly attracting more interest and consideration especially in nanotechnology application. The main advantages of using both left-handed materials and nanoparticles in the proposed sensors are the possibility of a significant reduction in the structure size and the enhancement of the sensitivity sensor.In this paper, we have investigated a three-layer planar waveguide sensor consisting of thin nanoparticles core based on left-handed material substrate and water cover which are employed for sensing applications. The interaction of TM and TE surface waves with the proposed planar waveguide structure will be studied for detection of the penetration depth, any changes in the refractive index of the analyte and the related sensitivity enhancement effect are analyzed. It is observed that the sensitivity of the proposed sensors is improved compared to that of the conventional three-layer waveguide sensors. High sensitivity has been observed which could be utilized for future sensor applications. |
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List of References |
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