Susilo, Masturi, W. Hardyanto, Mosik, L. Handayani, S. Santoso, R. Setiawan
The ability of X-ray energy in the world of health is very useful to diagnose human organ, particularly the lung. The human lung is a very complex organ so the examination takes certain techniques to minimize the effects of radiation exposure. A lung phantom made from resin composition with alumina (Al2O3) and silica (SiO2) was developed to eliminate negative effect of radiation. The purpose of this research is to find the closest value of density (D) and coefficient of attenuation (μ) from the composition to be used as another alternative lung phantom. The lung phantom was made by different thickness of each composition of stepwedge. The method used was comparing between the density (D) and attenuation coefficient (μ) of the sample and the lungs as a reference. The results were analysed using MATLAB 2015a Application with ROI grayscale reading. It was concluded that the composition of optimum lung phantom produced which is closed to reference value is 50% resin-Al2O3 content with density (D) of 0.16, and 50% Resin - SiO2 composition with density (D) of 0.18. © 2019 IOP Publishing Ltd. All rights reserved.
Physics Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Semarang, Indonesia; STIKES An-Nasher Kaliwadas, Sumber, Cirebon, West Java, Indonesia
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