Analysis of latent fingerprint deposits by infrared microspectroscopy
Analysis of latent fingerprint deposits by infrared microspectroscopy
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DOI：
10.1366/000370204322886663
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发表时间：
2004-03-01
影响因子：
3.5
通讯作者：
Bartick, EG
中科院分区：
文献类型：
--
作者：
Williams, DK;Schwartz, RL;Bartick, EG
我们报告了使用红外 (IR) 显微光谱分析指纹残留物。使用红外显微镜的优点在于能够以大约 10 μm 的空间分辨率可视化并获得构成指纹脊沉积物的单个颗粒和液滴的光谱。我们的初步结果表明，反射吸收模式下的红外显微光谱可以对指纹残留物进行可重复的光谱分析。由于红外显微光谱对样品没有破坏性，因此我们将能够研究指纹脊沉积物随时间的变化。该方法有望探测成人和儿童潜在指纹之间的差异。
We report the use of infrared (IR) microspectroscopy for the analysis of fingerprint residues. The advantage of using an IR microscope lies in the ability to visualize and obtain spectra of individual particles and droplets that make up fingerprint ridge deposits at a spatial resolution of approximately 10 mum. Our initial results suggest that infrared microspectroscopy in reflection-absorption mode provides reproducible spectral analysis of fingerprint residue. Since infrared microspectroscopy is nondestructive to the sample, we will be able to study the changes in fingerprint ridge deposits as a function of time. The method holds promise for probing the difference between latent fingerprints of adults and children.