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Fibre Optic Reflectance Spectroscopy (FORS)

FORS is a portable and flexible system for in situ reflectance spectroscopic measurements that complements visible/near infrared spectral imaging by providing higher spectral resolution and simultaneous capture of a wide wavelength range. The ISAAC mobile lab is equipped with a  range of portable and flexible FORS system for in situ measurements.


  • Identification of material including some with fine absorption lines (e.g. some red organic dyes).

  • Pigment and Binding media identification.

FORS examination of an historic manuscript in the British Library​

Imaging and Sensing for Archaeology, Art History and Conservation (ISAAC)'s Fibre Optic Reflectance Spectroscopy (FORS) specifications
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