Filamentation-assisted time-resolved Raman spectroscopy in molecular gases
作者： Francesca Calegari , Caterina Vozzi , Matteo Negro , Sandro De Silvestri , Salvatore Stagira
DOI: 10.1080/09500340903541064
关键词:
摘要: Raman excitation of molecular gases can be accomplished and detected by optical filamentation ultrashort laser pulses in the investigated sample. Exploiting this technique, we could clearly resolve full response H2 as well major vibrational modes several molecules (N2, O2, CO2, N2O, CH4, C2H6). The experimental results show that temporal requirements for efficient time-resolved spectroscopy, namely pump probe shorter than dynamics, relaxed occurrence self-compression during pulse exploitation spectrally-resolved detection.
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