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Journal : Komunikasi Fisika Indonesia

Reflectivity of Bragg grating fiber on human respiration using InGaAs photodiode converter system Oktavia, Dian Putri; Saktioto, Saktioto; Hanto, Dwi; Syamsudhuha, Syamsudhuha; Amelia, Rina; Emrinaldi, Tengku
Indonesian Physics Communication Vol 22, No 2 (2025)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jkfi.22.2.175-178

Abstract

Respiration is a vital process characterized by exchanging oxygen and carbon dioxide. Indicators such as respiratory rate are essential for detecting pathological conditions, such as pneumonia and heart failure. This research aims to develop a respiratory sensor system based on fiber Bragg grating (FBG) as an innovative alternative in high electromagnetic field environments. The system utilizes FBG optical fibers to detect strain changes due to respiratory activity, providing a sensitive, safe, and highly electromagnetic environment-compatible solution. The study used FBG with variations in reflectivity of 30%, 50%, 70%, and 90%. FBGs are installed inside oxygen masks at five different points to monitor wavelength changes during respiratory activity. The measurement method involves an optical system with an interrogator and an electrical method using an InGaAs photodiode converter to convert an optical signal into an electrical signal visualized in LabVIEW. Respondents were tested in three activities: stillness, walking, and running. Variations in sensor reflectivity and position in masks were evaluated to determine sensitivity to respiratory changes. The data is collected as a graph of wavelength against time. The result showed that the change in the wavelength of the FBG correlated with the intensity of respiratory activity. The reflectivity of 90% results in the highest sensitivity, allowing for more accurate detection of strain changes. The position of the sensor at the center point of the mask demonstrates the most linear results, indicating optimal sensitivity. Physical activity, such as running, produces the greatest strain on the optical fiber. This study proves the potential of FBG as a precision medical sensor for respiratory monitoring applications.
Co-Authors AA, Rizka Adawiyah, Varihatul Al Hafiz, OK Muhammad Alifa, Cut Safira Alnaz, Ahmad Razi Maulana Alona, Ivana Andika Pradana Anggraini, Dwi Rita Annisa, Dinda Aprianti Lubis, Nenni Dwi Ariga, Hijrah Purnama Sari Ariga, Reni Asmara Ariga, Selviana Arlinda Sari Wahyuni Athika Adnani Ayodhia P. Pasaribu, Ayodhia P. Bayani, Sri Benardi Bisono, Luwih C, Teguh Chusnul Chotimah Cut Putri Hazlianda Dalimunthe, Almira Dalimunthe, Muhammad Bayhaqi Daulay, Majidah Andilaila Deri Edianto Destanul Aulia, Destanul Dian Putri Oktavia, Dian Putri Dina Arwina Dalimunthe, Dina Arwina Dinda Sani Pratiwi Doni Prabowo Dwi Aprianti Lubis, Nenni Dwi Hanto EM, Samuel Fadillah Tarigan, Muhammad Fahira Mulya Suhady Fajar, Fajar Amanah Ariga Fathia Meirina, Fathia Fauzi, Muhammad Rado Fithri Hervianti Fujiati, Isti Ilmiati Ginting, Daniel Suranta Hamdani, Rifqi Hamdi, Tasrif Hanafie, Achsanuddin Handayani, Bejo Utomo Harahap, Dhiny Yolanda Harahap, Juliandi Haslinda Hendri Wijaya, Hendri Hutagalung, Sunna Vyatra Ihsan, Mhd Imal, Khasanul Irina, Rr. Sinta Irma Sepala Sari Siregar Isna Wati Isna Wati  Jefri, Budi Jelita Siregar Juliandi Harahap Jusuf, Nelva Karmila Karim, Tengku Abdul Keumala Sari, Dina Kholilah, Ma’rifahtul Koswara, Jocelyn Lambok Siahaan Lita Sri Andayani Lubis, Andriamuri Primaputra Lubis, Inke ND. Lubis, Mahrani Lubis, Nenni Dwi Aprianti M. Ilham Magdalena Sinaga, Bintang Yinke Maspuroh, Uah Mayasri, Fadhliani Mayasri, Fadhliani Putri Moh. Anshori Aris Widya Muhammad Ichwan Muhammad Ihsan Muhammad Ramadhan Mula Tarigan Mustafa Mahmud Amin Nainggolan, Zefanya Grace Winneke Nasutiah Nasutiah Nasution, Abdul Hakim Nasution, Afrida Aryani Nasution, Bayu Rusfandi Nasution, Rizki Fauzan Ghali Olga R. Siregar, Olga R. Pandia, Pandiaman Pane, Nikmah Kemalasari Pangestu, Raden Ali Panggabean, Mathilda Parluhutan Siagian Pasaribu, Ayodhia Pitaloka Pertin Sianturi Putri Chairani Eyanoer, Putri Chairani Qadri Fauzi Tanjung Ribawanto, Muhammad Rafif Rini Savitri Daulay, Rini Savitri Robby Awaluddin Perangin-Angin Rusda, Muhammad Rusdiana Rusdiana Ruslaini, Ruslaini Rusmalawaty, Rusmalawaty Saktioto Saktioto Salbiah, Siti Saragih, Rina Amalia Caromina Satria, Fauzi Budi Selvi Nafianti Silaen, Ester Lantika Sinaga, Janry Lewis Hasan Sarma SITI FATIMAH Sri Budi Astuti, Sri Budi Syamsidah Lubis, Syamsidah Syamsudhuha Syamsudhuha Tarigan, Amira Permatasari Tengku Emrinaldi Triyadi, Slamet Ugrasena, I DG. Veralia W, Steven Wahyuni, Arlinda S. Wahyuni, Arlinda Sari wicaksono, desmiko haryo Widjaja, Sry Suryani Wijaya, Dadik Wahyu Wisman Dalimunthe, Wisman Y, Devi Yessica Amelia Yetty Machrina Yunanda, Yuki Yunita Sari Pane Zulkarnain Zulkarnain