Saimon, Siti Mahfuza and Mohd. Noor, Muhammad Yusof and Azmi, Asrul Izam and Abdullah, Ahmad Sharmi and Ibrahim, Mohd. Haniff and Ahmad, Mohd. Hafizi and Salim, Mohd. Rashidi and Othman, Ahmad Fauzi and Abdulsalam Hamid Alqazoun, Fouziyah (2022) A high sensitivity refractive index sensor based on leaky mode coupler of MMI. IEEE Photonics Technology Letters, 34 (1). pp. 63-66. ISSN 1041-1135
Full text not available from this repository.
Official URL: http://dx.doi.org/10.1109/LPT.2021.3137288
Abstract
A novel leaky mode coupler of multimode interference (MMI) fiber structure is proposed and experimentally demonstrated for surrounding refractive indices higher than that of silica fiber. The sensor is composed of a section of silica rod (SR) and multimode fiber (MMF) between two identical single-mode fibers (SMFs) to form a single-mode-silica rod-multimode-single-mode (SSRMS) fiber structure. In the proposed design, the SR acts as a mode coupler and a sensing element, while the MMF functions as the narrow spectral width generator. The output power at narrow spectral response of the SSRMS sensor was monitored corresponding to different surrounding high refractive indices (SHRI). The experimental results revealed that the SSRMS sensor exhibited high sensitivity up to -293.40 dB/RIU for SHRI ranging from 1.450 to 1.531. The sensor is highly suitable for SHRI applications, such as for monitoring insulation oil in a power transformer.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Fiber optic sensor, high refractive index, leaky mode, multimode interference, silica rod |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Electrical Engineering |
| ID Code: | 104434 |
| Deposited By: | Widya Wahid |
| Deposited On: | 04 Feb 2024 10:02 |
| Last Modified: | 04 Feb 2024 10:02 |
Repository Staff Only: item control page
