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All Journal International Journal of Electrical and Computer Engineering Jurnal Teknik ITS Jurnal Sains dan Seni ITS IPTEK Journal of Science IPTEK Journal of Proceedings Series TELKOMNIKA (Telecommunication Computing Electronics and Control) Matematika dan Sains JFA (Jurnal Fisika dan Aplikasinya) Seminar Nasional Informatika (SEMNASIF) Jurnal Fisika FLUX Jurnal Fisika Indonesia PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Sewagati
Yono Hadi Pramono
Institut Teknologi Sepuluh Nopember
Arts Humanities Astronomy Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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Journal : IPTEK Journal of Proceedings Series

 1 
Characterization of A Directional Coupler Waveguides Five Layers based on A Variation of The Electric Field in Two Border Area Wati, Farida; Rohedi, Ali Yunus; Pramono, Yono Hadi
IPTEK Journal of Proceedings Series Vol 1, No 1 (2014): International Seminar on Applied Technology, Science, and Arts (APTECS) 2013
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2014i1.766

Abstract

Will be Analized the Effective Refractive Indeks with Electric Field Variations In Two Border Areas Layers To Design Vaweguide five layers, where the dispersion relation equation is getting through from the field equations in waveguides five layers. Wave guide five layer nonlinear structure is one of wave guide structure usually used model on design medium laser MQM and system path on device integrated optic. The composition consist of five layer usually used was L-NL-L-NL-L when L and LN as linear and non linear respectively. Will specifically examined the role of the Jacobian elliptic function Cn and Sn in the formulation of the dispersion relation to determine the type of guided modes in a nonlinear waveguide structure of five layers, which are based on the effective refractive index relation to the variation of the electric field at the boundary of two media waveguide region. There are 3 types of guided modes, namely mode symmetry, asymmetry, and antisimentri. The greater the effective refractive index is given, allowing more conditions for the value of the electric field . The dispersion equation shows a very flexible and general expression because it can be applied to the waveguides multilayer having symmetric or asymmetric structures
Fabrication and Characterization of Directional Couplers as Power Dividers Andriawan, Alan; Rahayu, Lucky Putri; Pramono, Yono Hadi
IPTEK Journal of Proceedings Series No 3 (2019): International Conference on Engineering Technology Advance Science and Industrial Appli
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2019i3.5835

Abstract

This paper is about directional coupler fabrication results in a slab structure with a substrate in the form of acrylic glass, a film of nano SnO2, and cladding in the form of methyl methacrylate (MMA). The length of the interaction area (Lc) directional coupler of the fabrication result is 5 mm with a gap width (g) of 0.353 mm. SnO2 film is grown by deposition on an acrylic substrate. To facilitate the characterization process, the directional coupler is given an optical fiber as input. SnO2 film which has been deposited on an acrylic substrate is coated with methyl methacrylate (MMA). Coating of methyl methacrylate (MMA) in SnO2 film is done by the doctor blade method. Directional coupler fabrication results are used as optical power dividers. The fabricated directional coupler is narrated using a He-Ne laser with a wavelength of 632.8 nm. The characterization mechanism is carried out by taking a photo of the cross section of the directional coupler when given a laser beam input. The cross section photos are processed using ImageJ software to determine the directional coupler intensity distribution on each port. Based on the results of the characterization, the directional coupler with the 5 mm Lc output percentage is 26%, 24%, and 49%
Effect of Artificial Aging Temperature on Mechanical Properties and Micro Structure of Al-Mg-Si Composite Yono Hadi Pramono; Affandy Subyanto
IPTEK Journal of Proceedings Series No 4 (2018): The 3rd International Conference On Materials and Metallurgical Engineering and Technol
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (377.407 KB) | DOI: 10.12962/j23546026.y2018i4.3850

Abstract

Temperature determination used in artificial aging process will affect hardness after quenching process and mechanical properties of Al-Mg-Si composite. Thus, the aim of this research is determining temperature used in aging process to obtain mechanical properties optimum. It was done by the procedures as follows: initially, solution heat treatment of Al-Mg-Si composite was set at 400°C then quenching process on water medium followed by aging treatment at various temperatures (130°C, 180°C, 230°C, 280°C and 330°C) for 1.5 hours of HT. After the process, products were analyzed by hardness test to observe the micro-structure change of the samples. The result shows that hardness value of material increased with temperature process (130-280°C) about 10%. The hardness value rises from 48.05 HV before artificial aging to 53.13 HV.
Co-Authors Affandy Subyanto Agus Rubiyanto Ambyah Uboyo Andriawan, Alan Asnawi Asnawi Bachtera Indarto, Bachtera Bahtera Indarto Banatul Muflihati Bintoro Anang Subagyo Clarissa Amelia Sitorus Erna Risfaula Kusumawati Erna Wati Erni Maryati Rahayu Esti Susiloningsih Faridawati Faridawati Fatimah, Iim Fryan Sopacua Gatut Yudoyono Gontjang Prajitno Gontjang Prayitno Ifa Hidayah Iwan Sugriwan, Iwan Kezia Noviani Anou Ledy Manuhutu Lucky Putri Rahayu M. Arief Bustomi Mefina Yulias Rofianingrum Mohammad Haekal Muhammad Arif Bustomi Muthmainnah, Melania Suweni Muntini Nurma Sari Nurrisma Puspitasari Rino Prasetyanto Rohedi, Ali Yunus Rohim Aminullah Firdaus Samian Sudarsono - Sudarsono Sudarsono Supadi Supadi Susanti H. Hasan Suyatno Wati, Farida Wina Indra Lavina Yanurita Dwi Hapsari Yasin Agung Sahodo Yulita Inayatus Shiddiqah Yuni Nur Hidayati Yustiana Yustiana