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The stimulated Raman scattering mode competition in hexamethylene(C6H12) pumped by different wavelength is observed. The high-gain Raman mode is determined by the pump wavelength. The Raman mode ω2(2852—3038cm-1) is generated when pumped by short wavelength(404, 532nm)laser, while the Raman mode ω1(802 cm-1) is generated when pumped by the long wavelength (808nm)laser. Similar phenomenon is generally observed in Raman experiments. The mechanism of the phenomenon and its possible application are discussed.
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Keywords:
- mode competition /
- hexamethylene /
- stimulated Raman scattering
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