The results of research of porcelain art objects with overglaze and underglaze painting as well as colored glass objects are considered. The investigations were carried out by means of optical coherence microscopy method. Examples of diagnosis of porcelain, pigment and glaze layers in the near-infrared spectral range (1305±15 nm) with a resolution of about 10 μm are presented. The model approximations are considered in the study of multilayer structures in the near-surface area of art objects implemented using different materials.
An optical instrument for nailfold fluorescence capillaroscopy and image registration has been developed. With this
instrument, an effect of increasing fluorescence intensity in the spectral range of NADH fluorescence during ischemia
was detected.
A multi-view scanning method is suggested to assess a complicated surface relief by white light interferometer.
Peculiarities of the method are demonstrated on a special object in the form of quadrangular pyramid cavity, which is
formed at measurement of micro-hardness of materials using a hardness gauge. An algorithm of the joint processing of
multi-view scanning results is developed that allows recovering correct relief values. Laser ablation craters were studied
experimentally, and their relief was recovered using the developed method. It is shown that the multi-view scanning
reduces ambiguity when determining the local depth of the laser ablation craters micro relief. Results of experimental
studies of the multi-view scanning method and data processing algorithm are presented.
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