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All Journal JPSE (Journal of Physical Science and Engineering) Jurnal Pendidikan Sains Indonesia (Indonesian Journal of Science Education)
Rizal, Fauzul
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Astronomy Education Electrical & Electronics Engineering Materials Science & Nanotechnology Physics

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Optimization of Electro-Optic Sampling by Photodiode's Choice for Terahertz Detection Rizal, Fauzul; Benabdelghani, Imene
JPSE (Journal of Physical Science and Engineering) Vol 8, No 1 (2023): JPSE (Journal of Physical Science and Engineering)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um024v8i12023p076

Abstract

Despite being widely used in a lot of measurements involving the generation of electromagnetic radiation, most of the optimization of this EOS technique only focused on the detection crystal and nonlinear coefficient of the said crystal. After the detection crystal, the combined pump-probe beam should be separated again based on its polarization and measured simultaneously with photodiodes. The authors found out that there are not many studies focusing on this part of the EOS technique and decided to present in this paper to contribute to the better optimization of detection with the EOS technique. We found out that the change of photodiode could have a relationship with the detected signal’s shape in the time and space domain, alongside the change of delay-time detection.
Role of E-Scaffolding in Inquiry based-Flipped Classroom Toward High School Students Scientific Reasoning in Physics Yana, Annisa Ulfa; Handayanto*, Supriyono Koes; Taufiq, Ahmad; Rizal, Fauzul
Jurnal Pendidikan Sains Indonesia Vol 13, No 1 (2025): JANUARY 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jpsi.v13i1.40746

Abstract

High school physics education in Indonesia requires a strong foundation in scientific reasoning, especially when it comes to adapting to post-covid 19 learning innovations. Therefore, this study aims to determine how e-scaffolding influences high school students' scientific reasoning when integrated into inquiry-based flipped physics classrooms (E-IFPC) compared to inquiry-based flipped classrooms (IFPC) without e-scaffolding. This research is quasi-experimental educational research. The scientific reasoning of students was assessed using a validated 13 two-tier scientific reasoning test (=0.901). Data analysis included independent t-tests and normalized Gain (N-Gain) calculations to evaluate the research hypothesis. The results showed significant differences in scientific reasoning between the E-IFPC and IFPC groups. . Students in the E-IFPC group exhibited a N-Gain score of G=0.43, which was nearly five times higher than the G=0.09 observed in the IFPC group. This reaseach contribute to the field of physics education by providing empirical evidence of significant impact of e-scaffolding on enhances the scientific reasoning of high school students in physics, particulary in the context of post-pandemic learning innovation
Co-Authors Ahmad Taufiq Benabdelghani, Imene Supriyono Koes Handayanto Yana, Annisa Ulfa