Inayah, Amalia Alik (2021) Evaluasi Posisi TLD Pada Eye Lens Dosimeter Hp(3) Menggunakan 3D Printed Head Phantom Dan Sumber Radiasi 137cesium. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Salah satu aplikasi radiasi yang banyak dijumpai adalah pada bidang medis. Dalam bekerja, para pekerja radiasi diharuskan memperhatikan dosis yang diterima supaya tidak melebihi nilai batas dosis yang dijinkan. Untuk pemantauan dosis tersebut dapat digunakan TLD sebagai dosimeter radiasi. Namun dalam praktiknya tidak bisa dipungkiri bahwa bisa terjadi kesalahan dalam pemakaian dosimeter tersebut. Tujuan dari penelitian ini adalah menganalisa pengaruh posisi TLD mata terhadap respon dosis dan mengetahui nilai atenuasi 3D printed head phantom. 3D printed head phantom tersebut di cetak dari bahan Acrylonitrile butadiene styrene (ABS) mirip dengan kepala manusia yang dalamnya dilengkapi organ otak dan CSF tiruan. TLD yang digunakan pada penelitian ini berupa TLD-700H. TLD-700H tersebut disinari dengan sumber radiasi 137Cesium. Pada penelitian ini diperoleh nilai eror dosis Hp(3) yang berada pada rentang 1 hingga 14% terhadap posisi TLD ideal dan juga berkisar 2 hingga 18% pada 3D printed head phantom terhadap posisi TLD ideal pada standar phantom PMMA. Selain itu, diperoleh nilai atenuasi linier dan atenuasi massa 3D printed head phantom secara berurutan sebesar 0,04 cm-1 dan 0,05 cm2/g. Sedangkan nilai atenuasi linier dan atenuasi massa untuk organ otak dan CSF tiruan secara berurutan sebesar 0,0408 cm-1 dan 0,0410 cm2/g.
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One of the most common applications of radiation is in the medical field. In working, radiation workers must pay attention to the dose received not to exceed the permissible dose limit value. For monitoring the dose, TLD can be used as a radiation dosimeter. However, in practice, it is unavoidable that errors can occur in dosimeter use. The purpose of this study was to analyze the effect of eye TLD position on dose-response and to determine the attenuation value of the 3D printed head phantom. The 3D printed head of the phantom is printed from Acrylonitrile butadiene styrene (ABS) material similar to a human head equipped with artificial brain organs and CSF. The TLD used in this research is TLD-700H. The TLD-700H was irradiated with a 137Cesium radiation source. In this study, the error value of the Hp(3) dose was obtained, which was in the range of 1 to 14% against the ideal TLD position and also in the range of 2 to 18% on the 3D printed head phantom to the ideal TLD position on the PMMA phantom standard. In addition, the linear attenuation values and mass attenuation values of 3D printed head phantoms were 0.04 cm-1 and 0.05 cm2/g, respectively. Meanwhile, the linear attenuation and mass attenuation values for the artificial brain and CSF were 0.0408 cm-1 and 0.0410 cm2/g, respectively.
Item Type: | Thesis (Undergraduate) |
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Uncontrolled Keywords: | Attenuation, Cs-137, head phantom, Hp(3) dose response,Atenuasi, Cs-137, head phantom, respon dosis Hp(3) |
Subjects: | Q Science Q Science > QC Physics |
Divisions: | Faculty of Science and Data Analytics (SCIENTICS) > Physics > 45201-(S1) Undergraduate Thesis |
Depositing User: | Amalia Alik Inayah |
Date Deposited: | 10 Aug 2021 05:18 |
Last Modified: | 10 Aug 2021 05:18 |
URI: | http://repository.its.ac.id/id/eprint/85347 |
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