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. 2015 Mar 14;3(2):45–54. doi: 10.1016/j.pacs.2015.02.002

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© 2015 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 8 — Side-fire and conical-tip fiber comparison. (a) Illustration of side-fire fiber rotation and irradiation pattern; green circles represent location of wires, while blue-white circle indicates position of fiber tip. (b) Illustration of conical-tip fiber rotation and irradiation pattern. (c) - (h) PA images of two wires embedded in gelatin; white arrows denote PA-signal artifact at fiber location, and green circles outline PA signal generated from wires. PA images generated from side-fire irradiation at (c) 0°, (d) 90°, and (e)180° rotation. PA images generated from conical-tip irradiation at (f) 0°, (g) 90°, and (h) 180° rotation.