The worldwide threat from terror activities has increased steadily over the last two decades requiring homeland security, police, and armed forces to continually adapt and respond to an ever-expanding variety of dangers.
Improvised Explosive Devices (IED’s) in particular, provide a unique threat that Foster + Freeman technology can be used to overcome.
The need for rapid identification of explosive residues both pre and post explosion is paramount if investigators are to successfully prevent detonations and/or identify those involved in the production and/or deployment of IED’s.
Presumptive tests are the simplest examination carried out on explosive substances but they lack specificity. Field techniques such as Ion Mobility Spectroscopy (IMS) are expensive and can be prone to false positives whilst traditional Mass Spectrometry techniques are expensive and difficult to make field deployable.
The Foram-785 portable Raman system is engineered to provide fast and non-destructive analysis of explosives using Raman Spectroscopy. Not only is the Foram able to determine that a substance is explosive, it can also identify a specific explosive due to the “signature” spectrum that each explosive gives. Such information is invaluable to operatives in the field who require rapid information on how an explosive should be handled and/or disarmed.
Below are spectra of 3 high explosives, each showing a unique fingerprint of Raman peaks:
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