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Visualisation by confocal microscopy of traces on bullets and cartridge cases |
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| Authors: | M.S. Bonfanti R.I. Ghauharali |
| Affiliation: | 1Institut de Police Scientifique et de Criminologie, University of Lausanne, Bâtiment de Chimie, CH-1015 Lausanne-Dorigny, Switzerland 2Netherlands Ministry of Justice, Forensic Science Laboratory, Department of Research and Development, Volmerlaan 18, NL-2288 GD Rijswijk, The Netherlands |
| Abstract: | The capabilities of confocal scanning laser microscopy for the visualisation of marks on bullets and cartridge cases were investigated. Confocal microscopy provides solutions to important limitations of conventional comparison microscopy with grazing light incidence, as generally used for the examination of these marks. It is expected that confocal microscopy, thanks to its broad applicability within the field of firearms investigation and its capability of non-destructively gathering quantitative three-dimensional information, will lead to a more complete and objective forensic examination of bullets and cartridge cases. |
| Keywords: | Forensic science Firearms identification Conventional comparison microscopy Confocal scanning laser microscopy Surface topography |
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