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. 2010 Nov 8;107(47):20335–20339. doi: 10.1073/pnas.1012432107

Fig. 2.

Fig. 2.

Experimental set-up for stimulated Raman PA imaging. A double-slit assembly is placed inside the pulse compressor to select the appropriately spaced frequency components. This spectrally shaped output is directed and focused onto the sample placed into double distilled water, and the detected PA signal is collected via piezzo transducer, amplified, and displayed and analyzed by a digital oscilloscope.