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All Journal Jurnal Manajemen Pendidikan Jurnal Penelitian Pendidikan IPA (JPPIPA)
Isty, Miftahul Farhani
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Physics

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PENERAPAN PEMBELAJARAN SECARA OFFLINE DI TENGAH PANDEMI COVID -19 DI SMP BABUSSALAM PEKANBARU Juneid, Adiella Zakky; Isty, Miftahul Farhani; Syafrizal, Syafrizal; Zulhemi, Zulhemi; Syaflita, Dina
Jurnal Manajemen Pendidikan Vol. 6 No. 2 (2021): Agustus
Publisher : STKIP Pesisir Selatan

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The Covid-19 outbreak has hampered all human activities, one of which is in learning activities. The Covid-19 outbreak that has lasted for a long time has forced the government to make a new policy, namely the new normal policy. This policy causes people to be able to do activities outside their homes but still maintain a distance, wear masks and always wash their hands. Even so, many schools continue to apply bold learning to prevent the transmission of Covid-19. However, the Pekanbaru Babussalam Middle School starting from the odd semester of 2020/2021 applies offline or face-to-face learning. This research is qualitative in nature to see the effectiveness of offline learning that takes place at Babussalam Junior High School Pekanbaru. Learning at the Pekanbaru Babussalam Middle School is carried out through several stages with the aim of not spreading COVID-19. The results of this study showed that the application of offline learning at Babussalam Junior High School Pekanbaru in the midst of the COVID-19 pandemic went well.
Desain Serat Kisi Bragg berlapis Grafin untuk sensor temperatur Tinggi Irawan, Dedi; Isty, Miftahul Farhani; Azhar; Islami, Nur; Ramadhan, Khaikal
Jurnal Penelitian Pendidikan IPA Vol 9 No 12 (2023): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i12.5242

Abstract

This article reported design of FBG Sensor layered by 2D Graphene Material. In this research, the FBG was coated with single layer graphene material, then the outher FBG has been coated with Aluminium, Chromium Oxide, PMMA, and Silica. The finite element method was used to analyze the profile  of each coated-FBG with a thickness of 20 µm. Furthermore, the sensitivity of each designed coated-FBGs for the temperature measurement was calculated in the range of 25 oC – 300 oC. Design and analysis of coated FBG found that the FBG coated with graphene then layered by PMMA material has the highest sensitivity of 406.4 pm/℃. Although the sensitivity was 395.73pm/℃ for PMMA material. It was followed by Aluminium coating material which yields the sensitivity of 71.367pm/℃. The Silica and Chromium oxide yield the same sensitivity of 13.73pm/℃. Furthermore, the simulation results shows that the design of coated FBGs with a Gaussian apodization has the narrowest FWHM width of 1.3 nm. While the Tanh and Uniform apodization yield FWHM width of 3.724 nm and 3.732 nm respectively. Certainly, the best FBG design for high temperature sensor was proposed by FBGs coated by graphene and layered with PMMA material with Gaussian apodization
Co-Authors Azhar dedi irawan Juneid, Adiella Zakky Nur Islami Ramadhan, Khaikal Syaflita, Dina Syafrizal Syafrizal Zulhemi, Zulhemi