Figure 3 | Scientific Reports

Figure 3

From: Three-dimensional virtual histology in unprocessed resected tissues with photoacoustic remote sensing (PARS) microscopy and optical coherence tomography (OCT)

Figure 3

Imaging performance of the PARS subsystem. (a) Lateral PSF of the UV-PARS absorption contrast mechanism characterized by imaging 200 nm gold nanoparticles. PARS lateral resolution is measured to be ~ 300 nm. (b) Axial edge spread function of the UV-PARS absorption contrast mechanism modeled from volumetric imaging of cell nuclei. PARS axial resolution is determined to be ~ 1.4 µm.

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