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Molecular vibrational dynamics of rhodamine B dye in solution studied by femtosecond CARS |
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| Institution: | 1. National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin 150080, China;2. Department of Physics, Harbin Institute of Technology, Harbin 150001, China;1. College of Material Science and Engineering, Jinling Institute of Technology, Nanjing 211163, PR China;2. Department of Chemical and Materials Engineering, Hefei University, Hefei 230601, PR China |
| Abstract: | Spectrally dispersed femtosecond time-resolved coherent anti-Stokes Raman spectroscopy is utilized to study the ultrafast vibrational dynamics in rhodamine B dye in solution at room temperature. The anti-Stokes intensities are monitored as a function of time and wavenumber. By simply changing the timing of laser pulses, the vibrational dynamics of excited Raman transitions in rhodamine B molecules can be tracked and detected. |
| Keywords: | Femtosecond laser pulses Time-resolved CARS Rhodamine B dye |
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