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Optical Engineering

Sandwich holography for simultaneous temperature visualization and heat-transfer coefficient measurement
Author(s): Dario Ambrosini; Domenica Paoletti; Giuseppe Schirripa Spagnolo
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Paper Abstract

Sandwich holography is proposed for simultaneous temperature mapping and heat transfer coefficient measurement. The latter task requires the knowledge of the temperature gradient. The remarkable feature of the proposed method is that the temperature gradient is obtained avoiding numerical differentiation, which adds errors to the measured data, as well as phase extraction and phase unwrapping procedures. Theory and experimental results are given.

Paper Details

Date Published: 1 July 2001
PDF: 7 pages
Opt. Eng. 40(7) doi: 10.1117/1.1385332
Published in: Optical Engineering Volume 40, Issue 7
Show Author Affiliations
Dario Ambrosini, Univ. dell'Aquila (Italy)
Domenica Paoletti, Univ. dell'Aquila (Italy)
Giuseppe Schirripa Spagnolo, Univ. degli Studi di Roma (Italy)


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