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All Journal International Journal of Electrical and Computer Engineering JURNAL MANAJEMEN Journal of Technomaterial Physics
Imam Mulyanto
Research and Development Centre for Applied Physics, Indonesian Institute of Sciences
Astronomy Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics Other

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Pengaruh kolektibilitas kredit (npl) terhadap peningkatan laba Mulyanto, Imam; Huda, Nurul
JURNAL MANAJEMEN Vol 12, No 2 (2020)
Publisher : Faculty of Economics and Business Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29264/jmmn.v12i2.7258

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh kolektibilitas kredit (NPL) dan peningkatan laba pada Bank BPR NTB BIMA Kota Bima. Populasi dalam penelitian ini adalah data laporan keuangan Neraca selama 8 tahun (2010-2018) dan sampel penelitian selama 5 tahun dengan sampling yang digunakan yaitu Purposive sampling. Metode Penelitian ini merupakan penelitian asosiatif dengan menggunakan pendekatan kuantitatif yang terdiri dari data sekunder. Proses pengumpulan data penelitian ini menggunakan observasi, wawancara, studi pustaka dan dokumentasi. Teknik analisa data yang digunakan dalam penelitian ini adalah regresi linier sederhana, korelasi, koefisien determinasi dan uji hipotesis menggunakan uji t-statistik. Hasil penelitian menunjukan bahwa kolektibilitas kredit (NPL) tidak berpengaruh terhadap peningkatan laba pada Bank BPR NTB BIMA.
Curvature Analysis in Fiber Optic Cables as a Tilt Sensor Based on Macro Bending Mulyanto, Imam
Journal of Technomaterial Physics Vol. 2 No. 2 (2020): Journal of Technomaterial Physics
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jotp.v2i2.5399

Abstract

The test has been successfully carried out on optical fibers to be used as a macrobending tilt sensor using SMF-28 single mode optical fiber. The optical fiber was molded with silicon rubber, then connected to a laser light and a power meter to see the intensity of the laser power produced. The principle is carried out using the macro bending phenomenon on single mode optical fibers, where the laser light intensity in the fiber optic cable will decrease if there is a bend or bending in the fiber optic cable. We can observe the power loss resulting from the macro bending process to find out how sensitive the optical fiber is to changes in a given angle. The resulting optical fiber sensitivity value is -0.1534o/dBm.
Optical laser-generated electricity for powering tilt-meter sensor Nelfyenny, Nelfyenny; Bayuwati, Dwi; Suryadi, Suryadi; Husdi, Irwan Rawal; Mulyanto, Imam; Prasetio, Aditya Dwi; Irawan, Dedi; Widiyatmoko, Bambang; Setiono, Andi
International Journal of Electrical and Computer Engineering (IJECE) Vol 14, No 6: December 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v14i6.pp6140-6147

Abstract

This research investigated the feasibility and efficacy of power over fiber (PoF) transmission systems for geotechnical monitoring applications, addressing challenges associated with traditional power transmission methods. Leveraging fiber optic technology, PoF systems offer advantages such as high reliability, minimal signal loss, and immunity to environmental factors. The study presents a detailed design and implementation of a PoF transmission system, integrating a high-power laser source (HPLS) and photovoltaic technology for efficient power transmission over extended distances. Results demonstrate impressive volt-ampere characteristics and conversion efficiencies, with the optimized system configuration achieving a peak power output of 682 mW. Furthermore, the study evaluated the performance of a surface inclinometer sensor powered by the PoF system, showcasing its effectiveness in monitoring soil movements with remarkable stability and consistent power supply. Future research directions include scalability studies, optimization of system efficiency, and field deployments to broaden the applicability of PoF technology in geotechnical monitoring, ultimately advancing disaster mitigation and infrastructure resilience efforts.
Analysis of Curvature in Fiber Optic Cable for Macrobending-Based Slope Sensor Mulyanto, Imam
Journal of Technomaterial Physics Vol. 3 No. 1 (2021): Journal of Technomaterial Physics
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jotp.v3i1.5540

Abstract

The analysis of fiber optics for macro bending-based slope sensors using SMF-28 single-mode optical fibers has been successfully conducted. Fiber optics were treated to silicon rubber molding and connected with laser light and power meters to measure the intensity of laser power generated. The working principle was carried out using the macrobending phenomenon on single-mode optical fibers. The intensity of laser light in fiber optic cables decreases in the event of indentation or bending of the fiber optic cable. Power losses resulting from the macrobending process can be seen in the result of the information sensitivity of fiber optics to the change of angle given. From the results of the study, the resulting fiber optic sensitivity value is -0.1534o/dBm. The larger the angle given, the lower the laser intensity received by the power meter.
Co-Authors Aditya Dwi Prasetio, Aditya Dwi Andi Setiono Bambang Widiyatmoko dedi irawan Dwi Bayuwati Husdi, Irwan Rawal Nelfyenny, Nelfyenny Nurul Huda Suryadi Suryadi