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All Journal Komunikasi Fisika Indonesia Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam JOURNAL ONLINE OF PHYSICS Spektra: Jurnal Fisika dan Aplikasinya Journal of Applied Agricultural Science and Technology Science, Technology, and Communication Journal Tepak Sirih : Jurnal Pengabdian Kepada Masyarakat Madani Journal of The Physical Society of Indonesia
Tengku Emrinaldi
Universitas Riau
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Materials Science & Nanotechnology Mathematics Physics Other

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Ultra-wideband diamond-shaped metamaterial absorber for radar cross section reduction Defrianto, Defrianto; Kurnia, Erwin; Saktioto, Saktioto; Emrinaldi, Tengku; Sakinah, Feby Nur; Ikhsan, M; Asyana, Vepy; Soerbakti, Yan
Science, Technology, and Communication Journal Vol. 6 No. 2 (2026): SINTECHCOM Journal (February 2026)
Publisher : Lembaga Studi Pendidikan dan Rekayasa Alam Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59190/stc.v6i2.340

Abstract

This study presents the design and full-wave simulation of a diamond-shaped metamaterial absorber configured in a 4×4 array for applications in radar cross section reduction (RCSR). The structure was modeled on an FR-4 substrate with a copper patch and metallic ground plane to achieve high absorption across the ultra-wideband (UWB) frequency range of 0.09 – 10 GHz. Simulations were conducted using CST Studio Suite. Key radar-related performance parameters including reflection (S11), transmission (S21), and absorption were analyzed. Results indicate that the absorber achieves extremely low reflection values (return loss up to -85 dB), near-zero transmission due to the ground plane, and absorption exceeding 80% in targeted radar bands. These findings demonstrate the high potential of diamond-shaped metamaterial absorbers for stealth applications and electromagnetic wave attenuation in modern radar systems.
Existence of Fiber Bragg Grating Sensors Based on Power Input and Transmission Distance Saktioto, Saktioto; Bintang, Shantela Hanna Mastaria; Emrinaldi, Tengku; Zamri, Zamri; Samudra, Mohd Rendy; Soerbakti, Yan
Journal of the Physical Society of Indonesia Vol. 1 No. 1 (2025): (April 2025)
Publisher : The Physical Society of Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35895/jpsi.1.1.45-50.2025

Abstract

Optical fiber was chosen as a transmission medium because of its ability to transmit data with high power, high speed and low attenuation. Despite these advantages, optical fiber still faces challenges such as attenuation and dispersion which can reduce data transmission performance. This research examines the performance of fiber optic-based communication systems using fiber Bragg grating (FBG) sensors, especially in overcoming linear effects that affect transmission quality. In designing this system, researchers varied the transmission distance from 10 – 150 km, and adjusted the input power from 2 – 20 dBm. The research results show that uniform FBG is more effective in improving signal quality and reducing transmission errors compared to Gaussian FBG. The use of FBGs on coarse wavelength division multiplexing (CWDM) channels also improves system performance, with better quality factors and reduced bit error rates (BER). However, at a distance of more than 60 km, the signal quality decreases due to high noise, which also reduces the Q-factor value, the Q-factor value drops significantly from 61.7699 to 3.0866. Overall, uniform FBG provides more stable and robust data transmission, and increases transmission capacity compared to Gaussian FBG
Co-Authors ', Sugianto Ade Saputra Aidil Akbar Alltop Amri Ya Habib Arifudin Arifudin arifudin Asyana, Vepy Bintang, Shantela Hanna Mastaria Budijono, Budijono Defra Afriana Aryan Defrianto Defrianto Dhiesta Anggrainie Dian Putri Oktavia, Dian Putri Dwi Hanto Ekwarso , Hendro Hairi, Haryana Mohd Hendro Ekwarso Iwantono Iwan Barnawi Juandi Juandi KEMAL KEMAL Kurnia, Erwin Lazuardi Lazuardi Lazuardi Umar Lazuardi Umar Lundu F Simbolon Lundu F Simbolon, Lundu F M Ikhsan Maksi Ginting Mayta Novaliza Isda Meyzia, Bunga Minarni ' Mohamad Syahadi Morsin, Marlia Noferdi, Muhammad Deri Pos Andi Rabiah Rabiah Rahmi Dewi Rahmondia N. Setiadi Rany, Novita Riad Syech Rianaris, Agitta Rina Amelia Rini, Ari Sulistyo Rini, Ari Sulistyo Risanto, Joko Sakinah, Feby Nur Saktioto Saktioto Salomo Salomo Samudra, Mohd Rendy Santi T Sidabukke Simanjuntak, Asnika Putri Simatupang, Mediniah Putri Simbolon, Norsinta Ida Soerbakti, Yan Sofia Anita Sugianto Sugianto Sultan Fiddunya Fiddunya Suratun Nafisah Syah, Erzan Syajali, Hidayati Syamsudhuha Syamsudhuha Wanara, Nadiah Widyatmoko, Bambang Yanuar Hamzah Yelmida Azis Yolanda, Yogi Yudani, Ananda Febri Yusri Yusri Zahroh, Siti Zamri, Zamri Ziliwu, Friska