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All Journal International Journal of Engineering, Technology and Natural Sciences (IJETS) Devotion: Journal of Research and Community Service
Verlaili Erlindriyani, Ratu
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Industrial & Manufacturing Engineering

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Designing a GaN-Based 1x2 Optical Power Splitter Using Rectangular Waveguide Coupling Franata, Nauval; Ali Setyo Yudono, Muchtar; Ramadhani, Ahmad; Verlaili Erlindriyani, Ratu
Jurnal Internasional Teknik, Teknologi dan Ilmu Pengetahuan Alam Vol 6 No 2 (2024): International Journal of Engineering, Technology and Natural Sciences
Publisher : Universitas Teknologi Yogyakarta, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46923/ijets.v6i2.415

Abstract

The need for compact and efficient optical power splitters is becoming increasingly urgent due to the growing demand for integrated photonic devices, which are essential in fields like optical interconnects and sensing. This study addresses the issue by focusing on the design and analysis of a GaN based 1x2 optical power splitter that employs rectangular waveguide coupling. The primary aim of the research is to evaluate how the number of rectangular waveguide couplings affects the performance of the power splitter, particularly in terms of splitting angle and excess loss. To achieve this, simulations were conducted using the finite-difference time-domain (FDTD) method. The design was tested with three configurations: three, five, and seven rectangular waveguides. The research design follows a structured simulation approach, where the FDTD method was employed to explore the impact of varying the number of rectangular waveguides. The process involves systematically altering the number of coupling sections and analyzing the resulting output. The 3D optical power distribution and the optical field intensity at the splitter output for each design were examined. Additionally, the excess loss distribution over the wavelength range of 1500 nm to 1600 nm was determined, demonstrating the potential of the proposed designs for optical communication applications. This data analysis enabled the researchers to evaluate the performance of each configuration. Notably, as the number of waveguides increased, the splitting angle became wider, but this was accompanied by a rise in excess loss. These findings demonstrate the potential of the proposed design for practical applications. Future studies could explore further optimization and real-world implementation.
Design and Implementation of Operating System Components and Data Acquisition for the 300 keV/20 mA EBM at PSTA-BATAN Yogyakarta Ramadhani, Ahmad; Budianto, Anwar; Franata, Nauval; Ali Setyo Yudono, Muchtar; Verlaili Erlindriyani, Ratu
Devotion : Journal of Research and Community Service Vol. 6 No. 10 (2025): Devotion: Journal of Community Research
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/devotion.v6i10.25524

Abstract

The development of operating system components and a data acquisition system for the 300 keV/20 mA Electron Beam Machine (EBM) at PSTA-BATAN Yogyakarta has been conducted. The system is designed to control and monitor key operational parameters, including input oscillator power voltage, high voltage, beam current, electron gun voltage, and vacuum pressure. It integrates hardware consisting of the PLC FX2424 module, L-Relay 51, and regulated power supply with software developed using LabVIEW 2018 and i-TRiLOGI 7.01. The development process involved programming the operating system in i-TRiLOGI , establishing PLC–LabVIEW communication, and implementing monitoring and data acquisition features in LabVIEW. The system enables remote operation of EBM components via a computer interface and provides real-time visualization of parameters in graphical and tabular formats. Data storage and export functions are also included to support further analysis. Testing results indicate that PLC–LabVIEW communication operates reliably via serial protocol, while ADC testing of the PLC produced a linear response with a correlation value of 1. Data presentation in LabVIEW HMI was accurate and could be exported into Microsoft Excel and Word, confirming the system's functionality for both operation and data acquisition
Co-Authors Budianto, Anwar Franata, Nauval Muchtar Ali Setyo Yudono Ramadhani, Ahmad