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Proceedings Paper

3D transient temperature measurement in homogeneous solid material with THz waves
Author(s): M. Romano; A. Sommier; J.-C. Batsale; C. Pradere
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Paper Abstract

The first imaging system that is able to measure transient temperature phenomena taking place inside a bulk by 3D tomography is presented. This novel technique combines the power of terahertz waves and the high sensitivity of infrared imaging. The tomography reconstruction is achieved by the 3D motion of the sample at several angular positions followed by inverse Radon transform processing to retrieve the 3D transient temperatures. The aim of this novel volumetric imaging technique is to locate defects within the whole target body as well as to measure the temperature in the whole volume of the target. This new-fashioned thermal tomography will revolutionize the non-invasive monitoring techniques for volume inspection and in-situ properties estimations.

Paper Details

Date Published: 29 April 2016
PDF: 9 pages
Proc. SPIE 9896, Optics, Photonics and Digital Technologies for Imaging Applications IV, 98960K (29 April 2016); doi: 10.1117/12.2225444
Show Author Affiliations
M. Romano, I2M-TREFLE, CNRS (France)
A. Sommier, I2M-TREFLE, CNRS (France)
J.-C. Batsale, I2M-TREFLE, CNRS (France)
C. Pradere, I2M-TREFLE, CNRS (France)

Published in SPIE Proceedings Vol. 9896:
Optics, Photonics and Digital Technologies for Imaging Applications IV
Peter Schelkens; Touradj Ebrahimi; Gabriel Cristóbal; Frédéric Truchetet; Pasi Saarikko, Editor(s)

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