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All Journal ELKHA : Jurnal Teknik Elektro SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Inotera Indonesian Physical Review Jurnal Fisika dan Terapannya Jurnal Abdimas Indonesia : Jurnal Abdimas Indonesia Progressive Physics Journal Geosains Kutai Basin ANDIL Mulawarman Journal of Community Engagement
Adrianus Inu Natalisanto
Department Of Physics, Faculty Of Mathematics And Natural Sciences, Universitas Mulawarman
Religion Agriculture, Biological Sciences & Forestry Humanities Astronomy Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Journal : Indonesian Physical Review

 1 
REFORMULATION OF GEOMETRIC OPTICS WITHIN THE FRAMEWORK OF ABELIAN U(1) GAUGE THEORY: A NOVEL APPROACH TO UNDERSTANDING LIGHT PROPAGATION Natalisanto, Adrianus Inu; Purwaningsih, Sri
Indonesian Physical Review Vol. 8 No. 2 (2025)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v8i2.464

Abstract

This study introduces a reformulation of geometrical optics through the framework of Abelian U(1) gauge theory. By leveraging this novel approach, phase equations are derived, serving as the cornerstone for determining the trajectories of light rays. The proposed formulation is validated through simulations of light propagation in diverse scenarios, including homogeneous refractive index media, vacuum, anisotropic materials, and optical metamaterials. These results underscore the versatility and predictive power of this gauge-theoretic approach, opening new avenues for exploring and modeling complex optical phenomena.
DETERMINING THE RELATIONSHIP BETWEEN TEMPERATURE AND TUNING FORK FREQUENCY CHANGES WITH POLYNOMIAL REGRESSION MODELLING Hasan, Aly; Natalisanto, Adrianus Inu; Zarkasi, Ahmad
Indonesian Physical Review Vol. 7 No. 2 (2024)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v7i2.263

Abstract

A tuning fork is a unique tool made of metal and shaped like the letter U, with one handle. Tuning forks can produce specific frequencies; usually, the value is written on the handle. This study aims to investigate the relationship between temperature and changes in tuning fork frequency and model it using polynomial regression. This research uses laboratory experiments with tuning forks with 341.3 Hz, 426.5 Hz, and 512 Hz frequencies. The temperature on the tuning fork varies from 30C to 220C with a difference of 10C. From the results of the study adjusted R-Square values sequentially 0.94745, 0.99565, and 0.97721, which stated the relationship between temperature and frequency changes. The Adjusted R-Square value close to 1 means that changes in temperature on the tuning fork greatly influence changes in the frequency produced by the tuning fork, and the polynomial regression model used is very suitable.
A GUI-BASED DATA ACQUISITION SYSTEM FOR EIT USING TWO CURRENT INJECTION METHODS Zarkasi, Ahmad; Hananda Putra, Muhammad Fauzan; Natalisanto, Adrianus Inu; Nurhanafi, Kholis; Hidayatullah, Muhammad; Kusmiran, Amirin; Nuraidha, Amalia C
Indonesian Physical Review Vol. 7 No. 3 (2024)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v7i3.356

Abstract

The current injection method played an essential role in the data quality of impedance measurement using the electrical impedance tomography (EIT) technique. Previous studies have largely utilized only a single current injection method with limited interface access, which restricts the effectiveness of EIT systems. In this paper, a graphical user interface (GUI)-based data acquisition system was designed to improve user interaction and optimize the control system. The system was equipped with multiple current injection methods, allowing researchers to choose which method to use in the measurement process. The designed hardware comprises a V-to-I converter circuit, multiplexer, electrodes, peak detector, and filter circuit. Testing results indicate that the V to I converter circuit has an average peak difference between voltage and current of 4.86% and an average error of 0.69% in the peak detector circuit. The multiplexer circuit switches quickly and consistently, while the filter circuit remains stable at the 50 kHz frequency used in this study. These results demonstrate that the designed circuits perform adequately and effectively, ensuring reliable and accurate measurements.  Additionally, the data acquisition software, presented as a GUI, effectively facilitates the selection of current injection methods and the display of boundary data simulation (BDS) on the object. This is demonstrated by the spatial inhomogeneity patterns visible through BDS in both the adjacent and opposite methods
Co-Authors Aditya Rinaldi Agus Anwar Ahmad Zarkasi Ahmad Zarkasi Alris Sanca Pratama Putra Amalia, Ani Amirin Kusmiran Andini, Dela Anugerah, Quintiza Asmaidi Dadan Hamdani Dadan Hamdani, Dadan Datu, Bonaria Daud, Anye Gidalti David Bandhaso Devina Rayzy Perwitasari Devina Rayzy Perwitasari Sutaji Putri Dewa Made Wiadnyana Djayus Djayus, Djayus Elfrida Dwi Saputri Feni Eka Novitasari Ferial, Deki fitriani, nur shabrina ulima Hananda Putra, Muhammad Fauzan Hasan, Aly Hidayatullah, Muhammad Ida Ayu Putu Sri Widnyani Igor Levi Satriani Intifadhah, Sahara Hamas Jerri, Alyadris Jordan, Aldi Rizki Kadek Subagiada Kadek Subagiada, Kadek Kholis Nurhanafi Lagihara, Chrismasisca Hanni Drescher Lepong, Piter M. Wafieq Akbar Al Asyrafi MARIA BINTANG Mawadah, Anis Mislan Mislan Mislan Muliana Dai Munir, Rahmawati Mutiara Ayu Lestari Nuraidha, Amalia C Pebriani, Putri Hesti Perdana, Akbar Perwitasari Sutaji Putri, Devina Rayzy Piter Lepong Pratiwi Sri Wardani Pratiwi Sri Wardani PSP, Devina Rayzy Puspa Syadariah Puspita Sari, Claudia Dewi Putri, Devina Rayzy Perwitasari Sutaji Rahmat Gunawan Rahmayanti, Nur Rahmiati Rahmiati Rayzy Perwitasari Sutaji Putri, Devina Renaldy, Renaldy Retno Zurma Rismawati, Puspa Robiatul Adawiyah Safitri, Niken Ari Salamah, Alifah Balqis Sari, Radila Mawar Septiardi, Muhammad Evan siti istikhomah Siti Khadijah Sitorus, Merryana Desidoria Sri Purwaningsih Suhadi Muliyono Suhaesih Rianto Sukmawati Said Supriyanto Supriyanto Supriyanto Supriyanto Sutaji Putri, Devina Rayzy Perwitasari Syahrir Syahrir Syahrir Syahrir Syahrir Syahrir Syarawie, Muhammad Mutawallie Wahyuni, Risma Nur Wardani, Pratiwi Sri Wiranata, Doni Yanti, Nurma