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Vol. 3 No. 4 (2026)
Sustainable Development Goals

Articles

STUDY OF OPTICAL PROPERTIES OF MICROSTRUCTURED POWDERS OF DIAMOND, ZINC OXIDE AND TITANIUM DIOXIDE UNDER PULSE-PERIODIC LASER EXCITATION

DOI 10.63294/isja/vol3iss4/176 Google Scholar Google Scholar Pages 73-83

Published 2026-01-15

Authors
Rakhmatullaev I.A a , Bunkin N.F b , Hoshimov Q.H c , Abdusattorov B.A d
Affiliations
a Alfraganus University image/svg+xml
b DSc, prof.,; N.E.Bauman Moscow State Technical University
c PhD student,; Samarkand State University named after Sharof Rashidov
d PhD student; Samarkand State University named after Sharof Rashidov
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Abstract

The paper presents the results of an experimental study of the optical properties of microstructured powders of diamond, zinc oxide and titanium dioxide under the influence of pulsed-periodic laser radiation of nanosecond duration. The mechanisms of Raman scattering and photoluminescence spectrum formation in the studied samples at room temperature were investigated. The dependence of secondary radiation intensity on laser pulse energy density was established. It has been shown that microstructuring significantly affects the local distribution of the electromagnetic field, leading to an increase in nonlinear effects and a change in spectral characteristics. The results obtained can be used in the development of sensor systems, photocatalytic coatings, and functional optical materials.

Keywords

diamond, zinc oxide, titanium dioxide, powder, spectrum, micro- structure, laser, luminescence, Raman scattering

References

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