Carbon nanoparticles for metrological control of polygraphic materials for packaging

C. Yu. Zenkova; A. O. Angelska; V. M. Tkachuk

doi:10.1117/12.3009181

5 January 2024 Carbon nanoparticles for metrological control of polygraphic materials for packaging

C. Yu. Zenkova, A. O. Angelska, V. M. Tkachuk

Proceedings Volume 12938, Sixteenth International Conference on Correlation Optics; 129380C (2024) https://doi.org/10.1117/12.3009181
Event: International Conference Correlation Optics (COR 2023), 2023, Chernivtsi, Ukraine

Abstract

Carbon nanoparticles of about λ/10 in size and with the following optical properties: strong absorption and luminescence in the yellow-green region of the spectrum and weak absorption at the wavelength of He-Ne laser radiation, were proposed to use for diagnostics the distribution of optical flows in the speckle field obtained from polygraphic material, in particular glossy materials, the value of height inhomogeneity of which is proportional to the wavelength. The advantages and disadvantages of the existing roughness analysis methods of printing materials are analyzed. The scheme of the model experiment for study the movement of carbon particles in the speckle field is presented. Under the influence of gradient optical forces, carbon nanoparticles move in the optical field and are trapped by field singularities. The tracks of the movement of carbon nanoparticles under the action of the components of the resulting optical force until the moment of their capture by field singularities are experimentally demonstrated. It is shown that the concentration of particles and the intensity of luminescence differ significantly in areas with and without singularities.

Citation Download Citation

C. Yu. Zenkova, A. O. Angelska, and V. M. Tkachuk "Carbon nanoparticles for metrological control of polygraphic materials for packaging", Proc. SPIE 12938, Sixteenth International Conference on Correlation Optics, 129380C (5 January 2024); https://doi.org/10.1117/12.3009181

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