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(A) Stitched SRS spectra of organic solvents covering the entire fingerprint region using two pump wavelengths: 949 nm and 912 nm and the Yb-doped fiber amplifier pumped at 4.5 W and 3.5 W, respectively. IP and IS = 40 mW. (B) Spontaneous Raman spectra of organic solvents. Green: oleic acid, red: nitrobenzene, blue: benzonitrile, magenta: methanol.
