Prospects of controlling the propagation of high-power THz radiation by passive optical elements including 3D printed

Dmitry M. Ezhov; Dmitry M. Lubenko; Valery F. Losev; Yury M. Andreev

doi:10.1117/12.2614227

2 December 2021 Prospects of controlling the propagation of high-power THz radiation by passive optical elements including 3D printed

Dmitry M. Ezhov, Dmitry M. Lubenko, Valery F. Losev, Yury M. Andreev

Author Affiliations +

Proceedings Volume 12086, XV International Conference on Pulsed Lasers and Laser Applications; 1208625 (2021) https://doi.org/10.1117/12.2614227
Event: XV International Conference on Pulsed Lasers and Laser Applications, 2021, Tomsk, Russian Federation

Abstract

Optical properties of different commercial plastics for fused deposition modeling 3D printing are defined at room temperature in the spectral range 0.2˗1.2 THz. We compare absorption coefficients and refractive index of ABS, PETG, and SBS printed 1-4 mm plates. Different types of optical elements for controlling high-power THz radiation are studied. A comparison is made of the efficiency of attenuation of linearly polarized THz radiation with homemade band-pass polarizers obtained by etching copper from a flexible polyimide substrate. Filters and polarizers created using 3D printing or by deposition of polymer matrix with magnetic particles under external field are cost-effective and can be easily changed or replaced. Comparison between plastic insets, filters based on magnetic particles, and polyimide film filters are made.

Citation Download Citation

Dmitry M. Ezhov, Dmitry M. Lubenko, Valery F. Losev, and Yury M. Andreev "Prospects of controlling the propagation of high-power THz radiation by passive optical elements including 3D printed", Proc. SPIE 12086, XV International Conference on Pulsed Lasers and Laser Applications, 1208625 (2 December 2021); https://doi.org/10.1117/12.2614227

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