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All Journal ORBITA: Jurnal Pendidikan dan Ilmu Fisika Jurnal Ilmiah Ilmu Terapan Universitas Jambi
Sitinjak, Hardiantinus
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Education Engineering Industrial & Manufacturing Engineering Physics

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Development of modern physics practicum e-guide on circular iris difraction materials to calculate He-Ne laser wavelength using professional flip pdf application Sitinjak, Hardiantinus; Purwaningsih, Sri; Falah, Hebat Shidow
ORBITA: Jurnal Pendidikan dan Ilmu Fisika Vol 10, No 1 (2024): May
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/orbita.v10i1.22736

Abstract

Development of a modern physics practicum guide on circular iris diffraction material to calculate the He-Ne laser wavelength using the Flip PDF Professional application. To determine student perceptions, as well as the feasibility of developing a modern physics practicum guide on circular iris diffraction material to calculate the He-Ne laser wavelength using the Flip PDF Professional application. This research was carried out using research and development (R&D) methods. R&D is a research method used to produce certain products, and test the effectiveness of these products. In this research, the product produced is a practical guide on circular iris diffraction material using a He-Ne laser, to calculate wavelengths which are expected to increase interest in learning and understanding of modern physics concepts for students. The result of this development is an e-guide to modern physics practicum on circular iris diffraction material to calculate He-Ne laser wavelengths using the Flip PDF Professional application.This electronic practicum e-guide was developed using the 4 (D) model which consists of 4 stages, namely the define stage, design stage, develop stage and disseminate stage. The development of a modern physics e-guide using Flip PDF Professional on material measuring He-Ne laser wavelengths with a circular iris diffraction pattern was carried out to assist students in understanding the learning material so that they were able to understand the practical material on measuring He-Ne laser wavelengths with a circular iris diffraction pattern Before the e-guide was developed, a preliminary study was carried out to determine the basis for developing the e-guide for modern physics. For student responses, the average score was 3.86 and a percentage of 96% was in the very good category. The media validation results got an average of 3.13 in the very good category, for material expert validation they got a very good category with an average of 4. So the guide created in the category is suitable for use.
WAVELENGTH OF THE He-Ne LASER BY USING TWO TYPES OF DIAPHRAGM DIFFRACTION METHODS Purwaningsih, Sri; Falah, Hebat Shidow; Lestari, Neneng; Sitinjak, Hardiantinus; Mousa, Almahdi
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 8 No. 1 (2024): Volume 8, Nomor 1, June 2024
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v8i1.32058

Abstract

Light diffraction, characterized by the spreading or bending of waves when encountering narrow obstacles, forms the focal point of this research endeavor. Utilizing the circular diffraction method, this study pioneers the identification of the He-Ne laser wavelength through experimentation with both three and five-slit diaphragms. The investigation with a three-slit diaphragm involves three variations in slit distances: d = 0.125 mm, 0.25 mm, and 0.5 mm at a screen distance of 150 nm, revealing diffraction patterns across three orders of magnitude. For the five-slit diaphragm, the analysis extends to a slit distance of d = 0.25 nm and a layer distance of 320 nm. Interestingly, the results reveal that the wavelength spectrum of the He-Ne laser depends on the variation of the gap distance. Remarkably, a gap distance as minimal as 0.25 nm yields wavelengths within the range of 641 nm to 660.67 nm, highlighting the diffraction process's sensitivity to minute variations in experimental parameters. This groundbreaking research not only elucidates the intricate interplay between light diffraction and experimental configurations but also underscores the circular diffraction method's versatility in determining the fundamental properties of laser light. This study paves the way for advancements in optical instrumentation and characterization techniques by offering novel insights into wavelength determination methodologies. These findings have far-reaching implications across diverse scientific disciplines, including physics, materials science, and optical engineering, enhancing the precision and capability of optical measurement technologies.
Co-Authors Hebat Shidow Falah Lestari, Neneng Mousa, Almahdi Sri Purwaningsih