[Application of depth-analysis of confocal Raman micro-spectroscopy to chirography identification].
Depth analysis of confocal Raman micro-spectroscopy was applied to chirography identification. The result indicated that depth analysis has potential application to forensic science field, especially in longitudinal identification of ink and inkpad. No matter what the spatial distributions of the signature pen and inkpad are, confocal Raman micro-spectroscopy can longitudinally distinguish those spatial differences. All those suggested that confocal Raman micro-spectroscopy is a fast, simple, high sensitive and non-destructive technique.
Lin
Hai-Bo
HB
Photonics Center, Nankai University, Tianjin 300071, China.
Xu
Xiao-Xuan
XX
Wang
Bin
B
Yang
Yan-Yong
YY
Yu
Gang
G
Zhang
Cun-Zhou
CZ
Li
Jie
J
D005554:Forensic Medicine / Q000295:instrumentation / Q000379:methods*; D006236:Handwriting; D007281:Ink; D018613:Microscopy, Confocal / Q000295:instrumentation / Q000379:methods*; D015203:Reproducibility of Results; D013059:Spectrum Analysis, Raman / Q000295:instrumentation / Q000379:methods*