The formation of micro-regions with altered refractive index in the volume of float and quartz glasses under the action of single femtosecond pulses has been studied. The phase distributions of the light passing through the micro-regions during observation along the recording direction and perpendicular to it are plotted. The influence of pulse energy on the magnitude of the phase change has been studied. It is established that the minimum energy of formation of micro-regions in the volume of float glass is lower than in quartz glass. The results obtained are of interest for creating analog sound carriers by modifying the glass structure with femtosecond laser pulses.
Ivan S. Glebov – head of Laboratory of Optical Memory on Glass, Mendeleev University of Chemical Technology of Russia (MUSTR), Moscow, Russia
Sergey S. Fedotov – PhD in Chemistry, Associate Professor of the Department of Chemical Technology of Glass and Glass-Ceramics, Mendeleev University of Chemical Technology of Russia (MUSTR), Moscow, Russia
Yuriy V. Mikhailov – graduate student of the 4th year of study at the Department of Chemical Technology of Glass and Glass-Ceramics, Mendeleev University of Chemical Technology of Russia (MUSTR), Moscow, Russia
Alexey S. Lipatiev – PhD in Chemistry, Associate Professor of the Department of Chemical Technology of Glass and Glass-Ceramics, Mendeleev University of Chemical Technology of Russia (MUSTR), Moscow, Russia
Andrey G. Okhrimchuk – PhD in Physics and Math, leading researcher, Prokhorov Institute of General Physics of the Russian Academy of Sciences, Moscow, Russia
Vladimir N. Sigaev – DSc. in Chemistry, Professor, head of the Department of Chemical Technology of Glass and Glass-Ceramics, Mendeleev University of Chemical Technology of Russia (MUSTR), Moscow, Russia
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DOI: 10.14489/glc.2025.12.pp.003-008
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