A low cost X-ray imaging device based on BPW-34 Si-PIN photodiode

Emirhan, Mehmet; Bayrak, Arzu; Yucel, E.; Yücel, Meriç; Özben, Cenap

doi:10.1016/j.nima.2016.02.022

A low cost X-ray imaging device based on BPW-34 Si-PIN photodiode

Emirhan E., Bayrak A., Yucel E. B., Yücel M., Özben C. Ş.

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, cilt.819, ss.1-5, 2016 (SCI-Expanded)

Yayın Türü: Makale / Tam Makale
Cilt numarası: 819
Basım Tarihi: 2016
Doi Numarası: 10.1016/j.nima.2016.02.022
Dergi Adı: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
Sayfa Sayıları: ss.1-5
Anahtar Kelimeler: X-ray imaging, Si-PIN photodiodes, X-ray detectors, Low cost
İstanbul Üniversitesi Adresli: Evet

Özet

A low cost X-ray imaging device based on BPW-34 silicon PIN photodiode was designed and produced. X-rays were produced from a CEI OX/70-P dental tube using a custom made +/- 30 kV power supply. A charge sensitive preamplifier and a shaping amplifier were built for the amplification of small signals produced by photons in the depletion layer of Si-PIN photodiode. A two dimensional position control unit was used for moving the detector in small steps to measure the intensity of X-rays absorbed in the object to be imaged. An Aessent AES220B FPGA module was used for transferring the image data to a computer via USB. Images of various samples were obtained with acceptable image quality despite of the low cost of the device. (C) 2016 Elsevier B.V. All rights reserved.