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Characterisation and identification of contraband using UV resonant Raman spectroscopy
被引：10
作者：
Lacey, RJ
Hayward, IP
Sands, HS
Batchelder, DN
机构：
来源：
CHEMISTRY- AND BIOLOGY-BASED TECHNOLOGIES FOR CONTRABAND DETECTION
|
1997年
/
2937卷
关键词：
Raman;
contraband;
ultra-violet;
explosive;
narcotic;
D O I：
10.1117/12.266763
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ;
080401 ;
081102 ;
摘要：
A range of explosives and narcotics have been examined using Raman spectroscopy with 244 nm excitation. This wavelength of excitation (in the ultra-violet) eliminates the fluorescence problems associated with excitation at visible wavelengths. Comparison with spectra obtained using visible (633 nm) excitation reveals that resonance Raman scattering is occurring. This results in simplified spectra, and enhanced Raman scattering efficiencies.
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页码：100 / 105
页数：6
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