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. Author manuscript; available in PMC: 2014 Apr 25.
Published in final edited form as: J Phys Chem B. 2013 Jan 18;117(16):4634–4640. doi: 10.1021/jp308938t

Figure 1.

Figure 1

(A) Schematic diagram of SRS spectroscopy setup based on a single ultra-broadband Ti: sapphire laser. SPF: short-pass filter; LPF: long-pass filter; EOM: electro-optical modulator; QWP: quarter waveplate; PBS: polarizing beamsplitter. (B) Spontaneous Raman spectra of oleic acid, acetone and ethanol. (C) Calibration of Raman shift with respect to pump-Stokes pulse delay using a set of Raman peaks of acetone and ethanol; insets showing the schematic diagram illustrating the relationship between Raman shift and interpulse delay; (D) SRS spectroscopy measured by swept-delay chirped femtosecond pulses.