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Detection of seismic wave signal using singlemode-multimode-singlemode fiber probe

M. YASIN1,* , RETNA APSARI1, KRISTIA NINGSIH1, Y. G. Y. YHUWANA1, M. ZULKARNAEN1, MITRA DJAMAL2, IRWAN MEILANO2, MARIA EVITA2, NINA SITI AMINAH2, WAHYU SRIGUTOMO2, ARI SETIAWAN3, HERLAN DARMAWAN3, IMAM SUYANTO3, WAHYUDI3, WIWIT SURYANTO3, HERIANSYAH PUTRA4, IRZAMAN4, PERDINAN4, S. W. HARUN4

Affiliation

  1. Department of Physics, Faculty of Science and Technology, Airlangga University, Surabaya 60115, Indonesia
  2. Department of Physics, Faculty of Mathematics and Science, Institut Teknologi Bandung, Bandung, Indonesia
  3. Center for Disaster Studies, Institute of Research and Community Empowerment, IPB University, Kampus IPB Baranangsiang, Bogor, Indonesia
  4. Photonic Engineering Laboratory, Department of Electrical Engineering, University of Malaya, Kuala Lumpur, Malaysia

Abstract

A fiber-optic sensor based on singlemode-multimode-singlemode (SMS) fiber structure was proposed and demonstrated for measuring both amplitude and frequency of seismic wave signal. This sensor system consisted of an amplified spontaneous emission (ASE), SMS fiber probe and photodiode detector. A seismic wave generator was used as a seismograph stimulator. The SMS fiber probe was attached onto a loudspeaker to gather an acoustic pressure which was modulated by a seismograph signal from the audio generator. The proposed seismic wave sensor has the capability to measure the seismograph signal operating within a frequency range from 2.0-2.6 Hz with a linearity of more than 98%. This sensor is advantageous due to its simplicity of the design and low fabrication cost while exhibiting good sensitivity and dynamic range. It is also suitable to be applied in real field to detect volcano eruption..

Keywords

Fiber optic, SMS fiber structure, Energy efficiency, Seismograph signal.

Submitted at: Dec. 1, 2021
Accepted at: June 7, 2022

Citation

M. YASIN, RETNA APSARI, KRISTIA NINGSIH, Y. G. Y. YHUWANA, M. ZULKARNAEN, MITRA DJAMAL, IRWAN MEILANO, MARIA EVITA, NINA SITI AMINAH, WAHYU SRIGUTOMO, ARI SETIAWAN, HERLAN DARMAWAN, IMAM SUYANTO, WAHYUDI, WIWIT SURYANTO, HERIANSYAH PUTRA, IRZAMAN, PERDINAN, S. W. HARUN, Detection of seismic wave signal using singlemode-multimode-singlemode fiber probe, Journal of Optoelectronics and Advanced Materials Vol. 24, Iss. 5-6, pp. 201-205 (2022)