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(a) Schematic view of the SERDS system for macro-Raman in vitro measurements. (1) laser; (2) mirror; (3) convergent lens; (4) sample holder; (5) and (7) telescope; (6) notch filter; (8) spectrometer; (9) CCD camera; (10) computer. (b) Schematic view of the SERDS system for in vivo measurements. (1) laser; (2) optical probe laser-guide ; (3) optical probe excitation; (4) sample environment; (5) optical probe collecting; (6) spectrometer; (7) CCD camera; (8) computer.
