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J. Ali
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Earth & Planetary Sciences Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics

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A DESIGN OF TWISTED DOUBLE CHANNEL SCISSORS FOR OPTICAL FILTER H. M. Hairi; T. Saktioto; Dedi Irawan; J. Ali
Komunikasi Fisika Indonesia Vol 10, No 6 (2013)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (519.616 KB) | DOI: 10.31258/jkfi.10.6.452-459

Abstract

Microring resonators have emerged in the past few years in integrated optics and have been used extensively in many fields due to its advantages. The response from coupled ring resonators can be custom designed by the use of different coupling configurations [1]. In certain cases, ring resonators can be used as wavelength filter when the wavelength fits a whole multiple times in the circumference of the ring [5,6]. In this paper, we compare and contrast the effect of light propagation/ power distribution characteristics associated with ring configurations. We have limited our study to side-coupled integrated space sequence of resonators or as known as SCISSORs using OptiFDTD Photonics Simulation Software V8.0.
KINEMATIC MOTION OF POSITIVE CARBON ION SPECIES: A PROPOSAL METHOD M.S. Roslana; Saktioto '; J. Ali
Komunikasi Fisika Indonesia Vol 10, No 6 (2013)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (453.816 KB) | DOI: 10.31258/jkfi.10.6.460-466

Abstract

The ion carbon species are massively produced througharc plasma for synthesizing carbon nanotube. Positive ions would have tendencies to move towards the negative charged cathode. The moving of the massive ions generated electric field in direction parallel with the ion movement. In this paper, we discuss the particle collisions subsequently resulting a new carbon species namely carbon nanotube (CNT) composed from single/many graphene layer rolled up alike nanostraw structure.
Co-Authors Dedi Irawan H. M. Hairi M.S. Roslana Saktioto Saktioto T. Saktioto