The traditional
acquisitions method consists in shining UV light
onto the art object and to record, generally with
a traditional camera and special film, or with
a digital camera, the visible radiation, emitted
by the materials on the object’ surface.
In order to eliminate the stray visible radiation
which is present in the emission spectrum of UV
lamps, and which would add to the fluorescence
emission, Art-Test adds in front
of the lamps a special visible blocking filter.
In order to correctly document and analyze fluorescence
emission it is necessary to know as precisely
as possible the emission spectral curves, the
multispectral method developed
by Art-Test, greatly helps in
this direction.