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Universiti Teknologi Malaysia
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Journal : Science and Technology Indonesia

 1 
Numerical Study of Early Detection of Tuberculosis Infected with High Sensitivity Plasmonic Sensor Irawan, Dedi; Azhar; Ramadhan, Khaikal; Marwin, Azwir; Marwan, Arip
Science and Technology Indonesia Vol. 9 No. 1 (2024): January
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2024.9.1.94-102

Abstract

In this work, a photonic crystal fiber based on a plasmonic sensor for the early detection of tuberculosis has been designed with finite element analysis. The component is constructed with a substrate layer made of fused silica material, which is then coated with a thin film of TiO2 layer as an adhesive layer to strongly attach the Au layer with the silica fiber surface. The TiO2 layer has an optimal thickness of 45 nm, while the Au layer has a thickness of 50 nm. The sensor design has a refractive index (RI) detection range from 1.27 RIU to 1.37 RIU, it also shows a maximum wavelength sensitivity (WS), maximum amplitude sensitivity (AS), sensor resolution (SR), and sensor accuracy (SA) of 20,000 nm/RIU (x-polarized) and 17.000 nm/RIU( y-polarized), -211.38 1/RIU (x-polarized) and -211.211 1/RIU (y-polarized), 9.17 x 10−5 RIU (x-polarized) and 1 x 10−4 RIU (y-polarized), and 0.025/nm respectively. Tuberculosis exhibits a normal and infected RI range of 1.343 RIU to 1.351 RIU. Therefore, the proposed sensor design is capable of detecting four types of TB infections with high sensitivity.
High Sensitivity CH4 and CO2 Gas Sensor Using Fiber Bragg Grating Coated with Single Layer Graphene Irawan, Dedi; Saktioto; Dwi Hanto; Widiyatmoko, Bambang; Sutoyo
Science and Technology Indonesia Vol. 9 No. 3 (2024): July
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2024.9.3.710-717

Abstract

This article outlines the development of a Fiber Bragg Grating (FBG) intended for use as a sensor for CH4 and CO2 gases. Following fabrication, the FBG was effectively treated with a layer of Graphene Material through a modified RF Sputtering process. This coating procedure involved introducing argon gas into the chamber and subjecting the FBG, securely held by two vacuum stages, to a temperature range of 27°C to 600°C by adjusting the power supplied to the cathode and anode, ranging from 0 to 125 Watts. Subsequently, the FBG was employed as a key sensing element within an experimental setup aimed at measuring gas concentrations within a confined space. The assessment involved analyzing the reflected signal of the FBG using an Optical Interrogator System, which demonstrated a shift in the Bragg wavelength of the reflected signal corresponding to varying gas concentrations. This study indicates promising outcomes for the Graphene-coated FBG as a gas sensor. The sensor’s sensitivity was evaluated based on the Bragg wavelength shift resulting from gas presence within the chamber. The Graphene-coated FBG exhibited sensitivities of 3.3 ppm for CH4 and 3.7 ppm for CO2, surpassing those reported in prior research efforts.
Co-Authors ', Hotmariani A.A. Ketut Agung Cahyawan W Abdul Wahab Abdi, Abdul Wahab Abdullah, Hewa Yaseen Adenia, Dea Aditya Dwi Prasetio, Aditya Dwi Admaja, Brilian Damar Agrina, Agrina Ahmad Handoko, Ahmad Akbar, Gilang Mahendra Alamsyah Taher, Alamsyah Alghifari, Luth Fian Alrohmah, Nova Andi Setiono Anggia, Indry Puspita Arif Hidayat Arifullah, Moh. Arrasyid, M. Ikbal Asmanto, Budi Asong, Andi Muh. Dodi Atfal, Najuan Tri Aulia, Vinka Azhar Azhar Azhar Azhar, Aidil Azizah Rahmadiyanti, Sri Diva Azizahwati Azizahwati Azmi, Said Nurul Bambang Widiyatmoko Bibara, Kushkimbayeva Bima Fandi A Cecarwati, Dwi Dani Anggoro Defrianto Defrianto Desiono, Maula Dewi, Lusiya Dian Saptarini Dwi Bayuwati Dwi Hanto Dwi Hanto Eddy Samsurizal eri purwanti Fajri Arif Wibawa Fajri, Oknain Faridiansyah, M.Faridiansyah Fatoni, Fatoni Febrita, Helen Tria Firman Farid Muhsoni Fitmawati Fitmawati Fitria, Sarah Dwi Fitriani, Endah Gaharani Saraswati Gilang Ramadhan Handayani, Made Kurni Hikmayani, Ajeng Sri Husdi, Irwan Rawal Ikha Safitri Ilka Zufria Imam Mulyanto Indra Mawanta Ginting Irwansyah Irwansyah Jurwita, Linda Komala Dewi, Ayu Koswara, Dinar Kurnia, Dwi kurnia Kushadiwijayanto, Arie Antasari Kuswara Lasinta Ari Nendra Wibawa Liyan Desi Yulia, Liyan Desi Lukman Hakim Lutrisia, Dian M. Rahmad M. Yusuf Maharani, Aulia Deli Maikul, Kusherbayeva Mailisna, Mailisna MANGGALANI, RINA Mantik, Aliya Mantik, Aliya Maria Ulfa Marwan, Arip Marwin, Azwir Masdiana Masdiana Masjudin, Masjudin Massara, Asma Maulana, Agam Muhammad Maulidya, Nurul Miftakhur Rohmah, Miftakhur Muammar Rinaldi Muhammad Iqbal Muhammad Sahal Muhdiyat, Diyat Muhtar Yahya, Slamet Mujiburrahman . Mukti, David Ari Mutmainah, Tika Rina Nauvaldy, M. Khanifa Rizki Nelfyenny, Nelfyenny Ngatwadi Nikmah, Mulyatun Nugraha, Gagan Nurcahyo , Gunadi Widi Nurdiansyah, Denni Nurdiansyah, Syarif Irwan Nurhidayati, Laela Nurzaqi, Dandhy Aditya Octavia, Kathina Oktavia, Irna Pamungkas, Bayu Panggih Pamungkas, Fauzi Catur Pebrianto, Anggi Pirhat Abbas Prabowo, Danang Pradana, Eric Pratama, Yofan Adi Premono, Satria Bagoes Aji Prisilia, Arla Aelani Puspita, Frica Nanda Putri, Clarisa Putri, Melisa Amelia Qoni’ah, Nurul Rabin, Mohammed Fisal Rahmaddani, Putri Ramadhan, Khaikal Ramadyanto, Aldi Fari Ramanda, Bayu Dwi Ranti, Linda Renata, Zabina Rini Kasrah Rini, Ari Sulistyo Risna, Novia Yunanda Riswandi, Arif Rohmah, Miftakhur - Rohmaturobbi, A Naji Roji, Syahrur Romijarso, Toni B. Romijarso, Toni Bambang Ronald, Azza Ruljaya, Wahyu Syahputra Rusyana, Iyus Saeprokhman, Asep Saktioto Saktioto Saktioto Samudra, Mohd Rendy SENERU, WISTINA Septiana, Waini Sholihat, M Nuur'aini Siregar, Guna Yanti Siregar, Gunayanti Sitania, Farida Djumiati Siti Komariah Soerbakti, Yan Sofia Anita Sri Rezeki Sudarmaji SUDARMAJI SUDARMAJI Suhaini, Suhaini Sukmana, Ece Sumijan Sunardi, Lukman Suryadi Suryadi Suryayusra, Suryayusra Susan Dian Purnamasari, Susan Dian Sutoyo Sutoyo Sutoyo Suyanto Suyanto Suyud Widodo, Suyud Syafei, Ilham Syarifudin, Ahmad Syarkawi, Mukhtar Thahir Syazili, Ahmad Tampi, Munawwaroh Tarigan, Ian Gerson Tasya, Desy Anna Triana, Clarisa Ucu Koswara, Ucu Utama, Dedi P. Utama, Dedi Pria Warohomah, Fitry Mifthoh Warsidah, Warsidah WIBAWA, RESDHI Wulandari, Intan Yanti, Guna Yayan Yayan Yennita, Y Yoyo Arifardhani Yulianti, Anissa Yunita, Irwa Yupapin, Preecha Zaenudin, M. Zuhdi Ma’aruf