Classification of non-referenced continuous-wave terahertz reflection spectra for remote material identification

Autor: Kristensen, Mathias Hedegaard, Cielecki, Paweł Piotr, Skovsen, Esben

Publikováno v: In Infrared Physics and Technology August 2024 140

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Classification of Terahertz Reflection Spectra using Machine Learning Algorithms

Autor: Mathias Hedegaard Kristensen, Pawel Piotr Cielecki, Esben Skovsen

Publikováno v: Kristensen, M H, Cielecki, P P & Skovsen, E 2022, Classification of Terahertz Reflection Spectra using Machine Learning Algorithms . in IRMMW-THz 2022-47th International Conference on Infrared, Millimeter, and Terahertz Waves. ., 9895909, IEEE, International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 47th International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2022, Delft, Netherlands, 28/08/2022 . https://doi.org/10.1109/IRMMW-THz50927.2022.9895909

A successful implementation of terahertz screening systems requires a development of reliable and efficient identification algorithms. Dimensionality reduction methods are applied to lower the dimensionality of multivariate data while retaining most

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8a0030e5341c5b25e138073ce6666e30
https://doi.org/10.1109/irmmw-thz50927.2022.9895909

Fourier transform second harmonic generation for high-resolution nonlinear spectroscopy

Autor: Kjeld Møller Pedersen, Peter Kristensen, Mathias Hedegaard Kristensen, Esben Skovsen

Publikováno v: Kristensen, M H, Kristensen, P K, Pedersen, K & Skovsen, E 2021, ' Fourier transform second harmonic generation for high-resolution nonlinear spectroscopy ', Optics Communications, vol. 482, 126593 . https://doi.org/10.1016/j.optcom.2020.126593

In this communication we demonstrate a new characterization technique combining Fourier transform (FT) spectroscopy and second harmonic generation (SHG) that enables high spectral resolution with broadband femtosecond laser pulses. The strong and nar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::466a57f51c19a7c2ea036a48d2795041
https://vbn.aau.dk/ws/files/483653104/MB_4480R1.pdf

Practical Guidelines for Continuous Wave Terahertz Spectroscopy-Perspectives and Challenges in Stand-off Detection

Autor: Mathias Hedegaard Kristensen, Pawel P. Cielecki, Esben Skovsen

Publikováno v: Cielecki, P P, Kristensen, M H & Skovsen, E 2019, Practical Guidelines for Continuous Wave Terahertz Spectroscopy-Perspectives and Challenges in Stand-off Detection . in IRMMW-THz 2019-44th International Conference on Infrared, Millimeter, and Terahertz Waves ., 8874043, IEEE, International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, vol. 2019-September, 44th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2019, Paris, France, 01/09/2019 . https://doi.org/10.1109/IRMMW-THz.2019.8874043

In this paper, we discuss practical aspects of continuous wave frequency-domain terahertz spectroscopy measurements. We highlight benefits of using various detection schemes and system configurations. The presented paper constitutes a guideline to co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a3ed1ba1d248d19e10cbddda2e8ed9fa
https://vbn.aau.dk/da/publications/9f1d69b2-d131-45e9-b5eb-d91e63cdf53c