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Characterization of a parallel beam CCD optical-CT apparatus for 3D radiation dosimetry

Krstajić, N and Doran, SJ (2006) Characterization of a parallel beam CCD optical-CT apparatus for 3D radiation dosimetry Journal of Physics: Conference Series, 56 (1). pp. 195-198.

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Abstract

This paper describes the initial steps we have taken in establishing CCD based optical-CT as a viable alternative for 3-D radiation dosimetry. First, we compare the optical density (OD) measurements from a high quality test target and variable neutral density filter (VNDF). A modulation transfer function (MTF) of individual projections is derived for three positions of the sinusoidal test target within the scanning tank. Our CCD is then characterized in terms of its signal-to-noise ratio (SNR). Finally, a sample reconstruction of a scan of a PRESAGETM (registered trademark of Heuris Pharma, NJ, Skillman, USA.) dosimeter is given, demonstrating the capabilities of the apparatus. © 2006 IOP Publishing Ltd.

Item Type: Article
Authors :
NameEmailORCID
Krstajić, NUNSPECIFIEDUNSPECIFIED
Doran, SJs.doran@surrey.ac.ukUNSPECIFIED
Date : 1 December 2006
Identification Number : 10.1088/1742-6596/56/1/026
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:00
Last Modified : 17 May 2017 12:00
URI: http://epubs.surrey.ac.uk/id/eprint/833612

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