Figure 2
From: Quad-mode functional and molecular photoacoustic microscopy

OR and AR images of the leaf skeleton phantom at four imaging modes acquired at 640-nm wavelength. (a–d) Top-view maximum projection images obtained by OR-HF, OR-LF, AR-HF and AR-LF modes. (e–h) Side-view maximum projection images obtained by OR-HF, OR-LF, AR-HF and AR-LF modes.