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. Author manuscript; available in PMC: 2010 Apr 22.
Published in final edited form as: J Biomed Opt. 2009 Mar–Apr;14(2):024028. doi: 10.1117/1.3103778

FIG. 2.

FIG. 2

Reconstructed TAT images, using the flat ultrasonic detector, of a needle (18 gauge, 1 mm in diameter) inserted inside a pork fat base placed at a distance of (a) ~4 mm, (b) ~14 mm, (c) ~32 mm, (d) ~50 mm, and (e) ~64 mm from the scanning center. Corresponding TAT images obtained with the negative lens detector are shown in (f), (g), (h), (i), and (j), respectively. (k) Location of the needle inside the scanner is shown.