期刊
APPLIED PHYSICS LETTERS
卷 100, 期 5, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3681365
关键词
explosives; high-speed optical techniques; notch filters; Raman spectroscopy; vibrational modes
资金
- DHS Center of Excellence of Explosives Detection, Mitigation, Response
- NATO [SfP-983789]
- European MC-ITN FASTQUAST
We demonstrate single-beam coherent anti-Stokes Raman spectroscopy (CARS), for detecting and identifying traces of solids, including minute amounts of explosives, from a standoff distance (> 50 m) using intense femtosecond pulses. Until now, single-beam CARS methods relied on pulse-shapers in order to obtain vibrational spectra. Here, we present a simple and easy-to-implement detection scheme, using a commercially available notch filter that does not require the use of a pulse-shaper. (C) 2012 American Institute of Physics. [doi: 10.1063/1.3681365]
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