Analisis Pengaruh Sudut Penyinaran terhadap Dosis Permukaan Fantom Berkas Radiasi Gamma Co-60 pada Pesawat Radioterapi

Authors

  • Fiqi Diyona Jurusan Fisika FMIPA Universitas Andalas
  • Dian Milvita Jurusan Fisika FMIPA Universitas Andalas
  • Sri Herlinda Instalasi Radioterapi RSUP DR. M. Djamil Padang
  • Kri Yudi Pati Sandy PTKMR BATAN Pasar Jumat, Jakarta

DOI:

https://doi.org/10.25077/jfu.5.2.131-135.2016

Abstract

Telah dilakukan pengukuran dan perhitungan pengaruh sudut penyinaran terhadap dosis radiasi permukaan fantom dengan menggunakan thermoluminescence-dosemeter-100 (TLD-100). Penelitian dilaksanakan di instalasi radioterapi salah satu rumah sakit di kota Padang menggunakan pesawat terapi Co-60. Pengukuran menggunakan teknik SSD 80 cm dan luas lapangan 10 cm x 10 cm. Faktor kalibrasi TLD-100 adalah 0,022 cGy/nC. Penelitian dilakukan dengan memvariasikan sudut penyinaran dari 0° hingga 170°. Nilai dosis radiasi permukaan fantom berkisar antara 70,415 hingga 102,341 cGy. Hasil perhitungan menunjukkan sudut penyinaran memberikan pengaruh terhadap terimaan dosis radiasi pada permukaan fantom, namun dosis radiasi pada permukaan yang diterima fantom tidak linear dengan kenaikan sudut penyinaran.
Kata kunci: dosis radiasi permukaan, faktor kalibrasi, sudut penyinaran, TLD-100

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Published

2016-04-01

How to Cite

Diyona, F., Milvita, D., Herlinda, S., & Sandy, K. Y. P. (2016). Analisis Pengaruh Sudut Penyinaran terhadap Dosis Permukaan Fantom Berkas Radiasi Gamma Co-60 pada Pesawat Radioterapi. Jurnal Fisika Unand, 5(2), 131–135. https://doi.org/10.25077/jfu.5.2.131-135.2016

Issue

Vol. 5 No. 2 (2016)

Section

Articles

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Copyright (c) 2016 Fiqi Diyona, Dian Milvita, Sri Herlinda, Kri Yudi Pati Sandy

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