FORAM®

Raman spectra exhibit numerous features that are specific to molecular structure and provide valuable “fingerprints” for comparing and differentiating materials, making it an ideal technique for examining ink and other materials attached to documents..

For forensic applications FORAM spectrometers are supplied with either a 532nm, 685nm or 785nm laser and have a spectral range of 400 to 2000 wavenumbers and 8 wavenumber resolution.

The instruments have an integral video microscope to assist sample selection, and a turret of four objective lenses provide on screen magnification of up to x500.  A large XYZ translation stage which can support whole documents allows alignment and focussing onto areas of interest as small as 5 microns.

The system is controlled with easy to use on screen menus, and the software provides for baseline correction of spectra to remove background fluorescence, automatic spectral comparisons, and data archiving with search and match facilities.

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