| Biography | |
|---|---|
 Prof. Abdolkarim Afroozeh University of Larestan, Iran |
|
| Title: Novel passive optical-fiber sensor based on SPR on metal-dielectric materials | |
| Abstract: We propose and demonstrate a novel passive optical-fiber sensor based on surface plasmon resonance (SPR) by fabricating a configuration on metal-dielectric materials. We use a single-mode fiber to harness the transmission light. In the proposed structure, the injected refractive index on ring and fiber is controlled by the FDTD method; thus, the resonance wavelength of the fiber SPR shifts. This is the mechanism of the proposed structure. The optical fiber sensor has a wide detection range of 1–1.4 RIU (refractive index unit), a high sensitivity with maximum up to 1700 nm/RIU, and a nanometer resolution with minimum to 4 nm. In addition, we also investigate several performance parameters such as FOM, and sensitivity and by applying silicon optical fiber can improve the sensitivity. Comparing with the reported numerical and measurements based on an optical fiber structure, the experimental results based on fiber ring resonator present good agreement and therefore the proposed structure open a new path to optical fiber sensors. Keywords Optical fiber sensor, light sensing, finite difference time domain (FDTD) | |
| Biography: Abdolkarim Afroozeh completed his MSc in the field of Astronomy at Shiraz University, Iran, in 2001. He was awarded a PhD degree in photonics from UniversitiTeknologi Malaysia (UTM) in 2014. ). He has 100 ISI published papers, H-index-27. His current researches of interest are Microring, Optical Soliton Communications, Laser Physics, photonics, Nonlinear fiber optics, Quantum Cryptography, Nanotechnology, Biomedical Physics and Biotechnology Engineering.He is currently the Associate Professor at University of Larestan. | |
