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Nano Convergence
Fig. 5 | Nano Convergence

Fig. 5

From: Functional photoacoustic imaging: from nano- and micro- to macro-scale

Fig. 5

SW-PAM techniques for single cells and in vivo imaging. a Schematic of switchable BB-SW-PAM and GB-SW-PAM. b Comparison of PA microvasculature images obtained with GB-SW-PAM and BB-SW-PAM. BB-SW-PAM, Bessel-beeam sub-wavelength photoacoustic microscopy; GB-SW-PAM, Gaussian-beam sub-wavelength photoacoustic microscopy; OL, objective lens; L, lens; AX, axicon lens. The images are reproduced with permission from [93]

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