Development of pulse-shaped PCF light sources for CARS microscopic spectroscopy

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In this study, we have developed novel coherent anti-Stokes Raman scattering microscopic spectroscopy using fundamental soliton pulses generated by propagating ultra-short optical pulses in a photonic crystal fiber and this spectroscopy is very useful to obtain the constituents and the microscopic structures of a sample. We have studied the properties of the soliton pulses as a wavelength-variable light source and have broadened the spectra using a pulse shaper and an acousto-optical modulator. Also, we have developed single-beam spectroscopy