X-ray radiation during pulsed laser treatment of opal matrices

A. F. Belyanin; V. V. Borisov; V. V. Popov

doi:10.15222/TKEA2018.5-6.10

A. F. Belyanin Central Research Technological Institute “Technomash”, Moscow, Russia
V. V. Borisov Skobeltsyn Institute of Nuclear Physics of Lomonosov Moscow State University, Moscow, Russia
V. V. Popov Lomonosov Moscow State University, Moscow, Russia

DOI: https://doi.org/10.15222/TKEA2018.5-6.10

Keywords: opal matrix, laser radiation, X-ray radiation, energy spectrum

Abstract

The paper presents the structure and preparation conditions of opal matrices (ordered 3D-lattice packing of X-ray amorphous SiO₂ spheres with a diameter of ≈250 nm), as well as experimental data on nonlinear optical effects in opal matrices with pulsed laser excitation at wavelengths: 1040 nm, 510 nm in conjunction with 578 nm, and 366 nm. The authors investigate the energy spectra of X-ray radiation induced in the samples by laser irradiation.

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