The processes of thermal consolidation of nanoporous glass surface by means of carbon dioxide laser radiation have been investigated. Successful formation of a heat-sealed layer with a thickness of (20 ± 1) ?m was demonstrated under the following heat-sealing regime: average radiation power 10,5 W, defocusing ?f = 16 mm F-Theta lens with a focal length of 157 mm, scanning speed 40 mm/s, track spacing 100 ?m. It is shown that femtosecond pulses can be used to record birefringent structures through a thermally compacted layer, the magnitude of their phase shift being an indirect indicator of glass porosity.
Yuliana V. Spitsyna – 2nd year Master's student of 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, assistant of the Department of Chemical Technology of Glass and Glass-Ceramics, Mendeleev University of Chemical Technology of Russia (Mendeleev University), Moscow, Russia
Semyon I. Stopkin – 2nd year master's degree in 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 2nd year of study of 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
Dmitriy L. Alferov – 1st year Master's student in the Department of Chemical Technology of Glass and Glass-Ceramics, Mendeleev University of Chemical Technology of Russia (Mendeleev University), Moscow, Russia
Elena V. Lopatina – Ph.D. in Technology, 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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