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. 2018 Feb 15;9(3):1151–1163. doi: 10.1364/BOE.9.001151

Fig. 8.

Fig. 8

Photoacoustic imaging of the coloured ink vessel phantom with four inclusions: green (top left), blue (top right), violet (bottom left), and red (bottom right). The photoacoustic images, displayed as maximum intensity projections across a depth of 0.2 mm, were obtained with excitation wavelengths of 550, 630, 725, 800 and 1210 nm. A colour photograph of the phantom is also shown. The field of view is 20 × 20 mm.