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Opt Lasers

differences in the elemental composition between the surface sample. Another advantage of the method is the possibility of
layers of wood impregnated with graphene oxide and native conducting analyses on practically all objects, whether solids,
wood. liquids, or gases.
Changes in the structure of polymers building wood tissue A laser pulse interacting with matter generates plasma,
were analysed using LIBS and fourier transform infrared which emits radiation characteristic and at the same time
spectroscopy (FTIR) spectrometry. The wood surface was also individual for each element, identified as emission lines. The
imaged using three microscopic techniques (stereomicroscope, LIBS method helps characterise various materials, including
confocal laser scanning microscope, and scanning electron wood.

microscopy). Cui et al. proposed using LIBS spectroscopy in combination
with an artificial neural network (ANN) for species identification
Concept and Function of LIBS Method and classification of wood. The authors of the study indicated
Laser-induced breakdown spectroscopy (LIBS) is a microdestructive that the distinction of wood such as African rosewood,
method used to determine the spatial distribution of elements Brazilian bubinga, elm, larch, Myanmar padauk, Pterocarpus
on the measured surface. This method guarantees quick erinaceus, poplar, and sycamore can be carried out based
and precise determination of the qualitative and quantitative on classification models based on spectral lines obtained

composition of elements on the two-dimensional surface of the by laser spectroscopy methods and computational models
tested material without prior specialist preparation of the test established based on training set data.