Specific appearing of stimulated Raman scattering in dyed multiple scattering media

作者: Vasil P Yashchuk , EA Tikhonov , OO Komyshan , AP Smaliuk , LA Olkhovyk

DOI: 10.1109/NLP.2013.6646387

关键词: Raman scatteringOpticsLine (formation)ScatteringDye moleculeRadiationMaterials scienceIntensity (physics)Optical pumpingLasing thresholdMolecular physics

摘要: We have discovered that Stokes lines of dye stimulated Raman scattering (SRS) in a multiple media (MSM) appear strict sequence: each line appears after occurrence shorter wave one. Although outwardly this sequence is similar to the plain SRS but its origin and mechanism different. The main difference MSM part coupled process random lasing (RL) therefore it by RL. This causes specific characteristics MSM. In contrast where sequentially appearing correspond consecutive component same molecule vibration, all dyed first components different bonds molecule. Consecutive order caused not pumping next radiation previous one RL spectrum spreading long direction under pump intensity.

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