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All Journal JURNAL SISTEM INFORMASI BISNIS POSITRON Jurnal Keteknikan Pertanian Komunikasi Fisika Indonesia TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics JURNAL FISIKA Indonesian Journal of Electrical Engineering and Informatics (IJEEI) Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam Sinergi Journal of Aceh Physics Society Proceeding of the Electrical Engineering Computer Science and Informatics JURNAL MEDIA INFORMATIKA BUDIDARMA IT JOURNAL RESEARCH AND DEVELOPMENT Indonesian Journal of Electrical Engineering and Computer Science Unri Conference Series: Community Engagement Indonesian Journal of Physics (IJP) Kanun: Jurnal Ilmu Hukum Science, Technology, and Communication Journal Journal of The Physical Society of Indonesia
Saktioto Saktioto
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Agriculture, Biological Sciences & Forestry Humanities Astronomy Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Physics

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Analysis of cascaded chirp characteristics in fiber Bragg gratings for spectral sensor applications Saktioto Saktioto; Liva Delvi; Awitdrus Awitdrus; Zulfa Zulfa; Tengku Emrinaldi; Defrianto Defrianto
Indonesian Physics Communication Vol 23, No 2 (2026)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jkfi.23.2.137-140

Abstract

Chirped Fiber Bragg Gratings (CFBGs) offer broadened reflection bandwidths, making them attractive for wavelength-based spectral sensing applications. In this study, the spectral characteristics of a cascade CFBG system were analyzed using OptiGrating 4.2.2 and OptiSystem software with eight total chirp variations of 0.3 nm, 0.5 nm, 1.0 nm, 1.5 nm, 2.0 nm, 2.5 nm, 3.0 nm, and 3.5 nm. The parameters analyzed included reflection bandwidth (FWHM), maximum reflectivity, spectral distribution, channel spacing, and output power. Simulation results indicate that increasing the total chirp significantly broadens the reflection bandwidth until 1.24 nm at a chirp value of 0.3 nm to 9.78 nm at 3.5 nm. Meanwhile, the maximum reflectivity tends to decrease from 100% to approximately 80% as the chirp value increases. The cascade configuration consisting of eight CFBGs successfully generated eight spectral channels within the wavelength range of 1550.4720– 1556.0000 nm, producing a total spectral span of 5.5280 nm. The highest output power was 39,198 dBm at CFBG 2, while the lowest was 12,203 dBm at CFBG 5. These findings demonstrate that total chirp variation significantly influences the spectral characteristics of cascade CFBG systems and provides a basis for optimizing fiber-optic spectral sensor designs.
Comparison of sensitivity and thermal response of chirped fiber Bragg gratings at various degrees of bending Saktioto Saktioto; Titis Oktiva Sari; Rakhmawati Farma; Rahmondia Nanda Setiadi; Tengku Emrinaldi; Defrianto Defrianto
Indonesian Physics Communication Vol 23, No 2 (2026)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jkfi.23.2.133-136

Abstract

The development of optical fiber sensors based on Fiber Bragg Grating (FBG) has driven the need for a deeper understanding of sensor characteristics under mechanical deformation conditions. This study is motivated by the limited investigations specifically examining the simultaneous interaction between bending and thermal response in chirped FBG. This research aims to analyze the effect of bending degree on the sensitivity and thermal response of Chirped Fiber Bragg Grating (CFBG), to observe Bragg wavelength (λB) shifts and transmission power variations, and to determine the optimal bending configuration. Measurements were conducted using a dual laser source at wavelengths of 1310 nm and 1550 nm, with bending angle variations of 0°, 10°, 20°, 30°, and 40°, across a temperature range of 35°C to 49°C representing human physiological conditions. Results demonstrate that bending degree exerts a substantially more dominant influence on transmission power than temperature variation, with inter-angle power differences exceeding 12 dB. Bending angles of 20° and 30° consistently yielded the highest transmission power, with sensitivity values reaching 1555.72% and 1527.37% respectively at 1550 nm. The 1310 nm wavelength exhibited slightly higher sensitivity, whereas the 1550 nm demonstrated better thermal response stability. This research contributes to establishing optimal operating conditions for CFBG sensors in wearable health monitoring applications requiring high sensitivity and reliable thermal stability.
Co-Authors ', Hotmariani Abdillah, Rahmad Abdul Sadad Agitta Rianaris Agrina Aisah, Nurul Andika Thoibah Andika Thoibah Andri Saputra Anggraini, Wresni Anggraini, Wresni Anita, Sofia Asyana, Vepy Awitdrus Awitdrus, Awitdrus Azhar Azhar Azhar Azhar Azwir Marwin B. Pranggono Bambang Widiyatmoko Bambang Widiyatmoko Bambang Widiyatmoko Bambang Widiyatmoko Bambang Widiyatmoko Basdyo, Doni Bintang, Shantela Hanna Mastaria Budi Astuti Bunga Meyzia Dadang Syarif Sihabudin Sahid dedi irawan Dedi Irawan Dedi Irawan Dedi Irawan Dedi Irawan Defrianto Defrianto Delovita Ginting, Delovita Deprianto Deprianto Dewi Indriyani Roslim Dewi Mulfida Dian Putri Oktavia, Dian Putri Didik Puji Sutriyono Dilham Wahyudi Dina Veranita Dino Yanuardi Doni Basdyo Dwi Hanto Dwi Hanto Dwi Hanto Dwi Hanto Dwi Hanto Dwi Utari Iswavigra Dwi Utari Iswavigra Eka Armas Pailis Elin Haerani Haerani Elisa Saadah Elvia Budianita Erin Mazelly Hutapea Erman Taer Erwin Amiruddin Fadhali, Mohammed Fairuz Diyana Ismail Faisal Saeed Febi Dwi Fadilla Febri Yuliani Feri Candra Fiqra Wardana Fitmawati Fitmawati Fitri Insani Gita Rahayu H.M. Hairi Haerani, Elin Haerani Hairi, Haryana Mohd Haryana bin Mohd Hairi Haryana Hairi Haryana Hairi Heru Santoso Husna, Ropiqotul Idjang Tjarsono Ihsan Okta Harmailil Ikhsan Rahman Husein Insani, Fitri Irvan Rahmat Iswavigra, Dwi Utari Iwantono Iwan Barnawi J. Ali Jalil Ali Juandi Juandi Khaikal Ramadhan Khaikal Ramadhan Khaikal Ramadhan Liva Delvi Lola Oktavia M.S. Roslana Mahyarni - Mesra Sania Minarni Minarni Moh Danil Hendry Gamal Mohamad Syahadi Mohammad Fisal Rabin Mohammed Fisal Rabin Muhammad Absor Muhammad Edisar Muhammad Hamdi Muhammad Sahal Mulfida, Dewi Murniati Murniati Musa Irfan Nandita Devira Nelda Ipkawati Neneng Fitrya Nisa Arpyanti Nurfi Hikma Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa Okfalisa, Okfalisa Okfalisa, Okfalisa Pizaini Pizaini Pranggono, B. Rabin, Mohammed Fisal Rahma Dewi Rahmad Abdillah Rahmondia Nanda Setiadi Rakhmawati Farma Reeky Fardinata Riad Syech Riad Syech Ridho Kurniawan Rina Amelia Rina Amelia Rini, Ari Sulistyo Risanto, Joko Roby Ikhsan Romi Fadli Syahputra Roni Salambue Ros Meri Ros Meri Rosnita Rosnita Rusnedy, Hidayati S. P. Dewi S.S.M. Fauzi S.S.M. Fauzi Samudra, Mohd Rendy Septi Pramuliawati Septia Anugrah Septian Nugraha Siti Nurul Alifah Soerbakti, Yan Sofia Anita Sugianto ' Suhaivi Hamdan Suhaivi Hamdan Suhardi Suhardi Sumiaty Ambran Sutoyo Sutoyo Syahril Syahril Syamsudhuha Syamsudhuha Taofeeq D Moshood Tengku Emrinaldi Teodora Maria Meliati Sinaga Theresa Febrina Siahaan Titis Oktiva Sari Velia Veriyanti Vepy Asyana Vicky Vernando Dasta Wahyu Candra Wresni Anggraini Wresni Anggraini Wresni Anggraini Wresni Anggraini Yan Soerbakti Yan Soerbakti Yan Soerbakti Yan Soerbakti Yana, Debi Yolanda Rati Yoli Zairmi Yunita I. Lubis Yupapin, Preecha Yurike Asra Zahidah Zulkifli Zahroh, Siti Zairmi, Yoli Zamri Zamri Zamri, Zamri Zulfa Zulfa