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The above image shows the contamination distribution in an ecstasy tablet, revealed using StreamLine™ Plus fast Raman imaging capability. The information on contaminants and cutting agents can assist enforcement agencies in identifying the source of illicit substances. For more information of this, and examples of FT-IR Raman analysis of a paint chip sample from a motor vehicle collision case-study, please download the relevant document. Please note that document downloads require registration. Documents for download
Selected publicationsForensic analysis of single fibers by Raman spectroscopy (2005), J V Miller et al, Applied Spectroscopy, 1729-1732 On the potential of Raman microscopy for the forensic analysis of colored textile fibers (2005), G Jochem et al, Science and Justice, 42, 215-221 Using Raman spectroscopy to solve crime: inks, questioned documents and fraud (2000), M Claybourn et al, Science and Justice, 40, 261-271 NewsletterAll the latest innovations in Raman spectroscopy - newsletter sign up here Download past and present newsletters from our Newsletter archive StreamLine™ Plus fast Raman imaging |
In the field of forensic sciences, Raman spectroscopy is predominantly used for the unambiguous identification of unknown substances. Given that Raman is a non-destructive technique, it has the advantage of being able to identify trace amounts of substances without compromising the evidence in any way, even allowing identification to be performed through a glass or plastic container. The high sensitivity, confocal performance and imaging capabilities of the inVia Raman microscope are key requirements, where enforcement agencies require detailed information on materials to obtain a successful prosecution. Renishaw's Raman microscopes have gained international recognition for successfully completing difficult forensic investigations such as distinguishing active drug forms and cutting agents from illicit materials, and proving which ink was deposited first in 'crossed ink' document authentication cases.
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