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The linearity of optical tomography: sensor model and experimental verification

Mohd. Muji , Siti Zarina and Abdul Rahim, Ruzairi and Rahiman, Mohd Hafiz Fazalul and Zakaria, Zulkarnay and Mohamad, Elmy Johana and Karis, Mohd Safirin (2011) The linearity of optical tomography: sensor model and experimental verification. Sensors & Transducers, 132 (9). pp. 40-46. ISSN 17265479

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Abstract

The aim of this paper is to show the linearization of optical sensor. Linearity of the sensor response is a must in optical tomography application, which affects the tomogram result. Two types of testing are used namely, testing using voltage parameter and testing with time unit parameter. For the former, the testing is by measuring the voltage when the obstacle is placed between transmitter and receiver. The obstacle diameters are between 0.5 until 3 mm. The latter is also the same testing but the obstacle is bigger than the former which is 59.24 mm and the testing purpose is to measure the time unit spend for the ball when it cut the area of sensing circuit. Both results show a linear relation that proves the optical sensors is suitable for process tomography application.

Item Type: Article
Uncontrolled Keywords: Optical sensor; optical tomography; linearity; voltage; time
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA1501-1820 Applied optics. Photonics
Divisions: Faculty of Electrical and Electronic Engineering > Department of Computer Engineering
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 15 Aug 2018 07:25
Last Modified: 15 Aug 2018 07:25
URI: http://eprints.uthm.edu.my/id/eprint/10313
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