Fabrication of terahertz components made of nanoporous SiO2

Vladislav E. Ulitko; Arsenii A. Gavdush; Arsen K. Zotov; Vladimir M. Masalov; Gennadiy A. Komandin; Vladimir N. Kurlov; Kirill I. Zaytsev

doi:10.1117/12.2583057

5 March 2021 Fabrication of terahertz compounds made of nanoporous SiO₂

Vladislav E. Ulitko, Arsenii A. Gavdush, Arsen K. Zotov, Vladimir M. Masalov, Gennadiy A. Komandin, Vladimir N. Kurlov, Kirill I. Zaytsev

Author Affiliations +

Proceedings Volume 11685, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XIV; 116851R (2021) https://doi.org/10.1117/12.2583057
Event: SPIE OPTO, 2021, Online Only

Abstract

Since nanoporous three-dimensional structure based on SiO2 has been studied as a THz optical material [Optical Materials Express 10(9), 2100-2113 (2020)], in this work we study its fabrication properties. Porous SiO2 is represented by porous opal matrixes [Optical Materials 49, 208–212 (2015)], which are based on globules of amorphous SiO2 [Nano 8(4), 1350036 (2013)]. By the thermal treatment, the material is able to achieve materials with different stoichiometric composition and porosity, minimizing an amount of residual water, and obtaining pre-determined physics properties of material. We fabricated couple of cylindrical lenses and flat plates made of abovementioned nanoporous SiO2. We showed that simple-form components could be easily fabricated by grinding, while mechanical processing strategy depends on the annealing temperature used and the material strength.

Conference Presentation

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Vladislav E. Ulitko, Arsenii A. Gavdush, Arsen K. Zotov, Vladimir M. Masalov, Gennadiy A. Komandin, Vladimir N. Kurlov, and Kirill I. Zaytsev "Fabrication of terahertz compounds made of nanoporous SiO₂", Proc. SPIE 11685, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XIV, 116851R (5 March 2021); https://doi.org/10.1117/12.2583057

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