In this paper, we show fast femtosecond laser writing of birefringent waveplates in nanoporous glass (NPG) volume. The possibility of laser writing acceleration on the order of magnitude is shown in NPG relative to fused silica. In situ measurements of birefringent plate retardance are performed for heating and cooling stages in the 20…650 ?С temperature range. Femtosecond laser-written birefringent elements are found to have greater thermal stability relative to conventional crystal quartz plates in highly varying temperature environments. The obtained results are of particular interest to the industrial fabrication of laser-written phase optics elements in NPG.
Semyon I. Stopkin – graduate student of the 1st year in the Department of Chemical Technology of Glass and Glass-Ceramics, Mendeleev University of Chemical Technology of Russia (Mendeleev University), 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 (Mendeleev University), Moscow, Russia
Yuriy V. Mikhailov – graduate student of the 3nd year of study at the Department of Chemical Technology of Glass and Glass-Ceramics, Mendeleev University of Chemical Technology of Russia (Mendeleev University), 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 (Mendeleev University), Moscow, Russia
Tatiana O. Lipateva – PhD in Chemistry, Associate Professor of the Department of Chemical Technology of Glass and Glass-Ceramics, Mendeleev University of Chemical Technology of Russia (Mendeleev University), 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 (Mendeleev University), Moscow, Russia
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DOI: 10.14489/glc.2025.05.pp.003-008
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