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Self-referenced ultra-broadband transient terahertz spectroscopy using air-photonics
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SYSNO ASEP 0470134 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Self-referenced ultra-broadband transient terahertz spectroscopy using air-photonics Author(s) D'Angelo, F. (DE)
Němec, Hynek (FZU-D) RID, ORCID, SAI
Parekh, S.H. (DE)
Kužel, Petr (FZU-D) RID, ORCID, SAI
Bonn, M. (DE)
Turchinovich, D. (DE)Number of authors 6 Source Title Optics Express. - : Optical Society of America - ISSN 1094-4087
Roč. 24, č. 9 (2016), s. 10157-10171Number of pages 15 s. Language eng - English Country US - United States Keywords terahertz spectroscopy Subject RIV BH - Optics, Masers, Lasers R&D Projects GA13-12386S GA ČR - Czech Science Foundation (CSF) Institutional support FZU-D - RVO:68378271 UT WOS 000375259600096 EID SCOPUS 84965053865 DOI https://doi.org/10.1364/OE.24.010157 Annotation Terahertz (THz) air-photonics employs nonlinear interactions of ultrashort laser pulses in air to generate and detect THz pulses. As air is virtually non-dispersive, the optical-THz phase matching condition is automatically met, thus permitting the generation and detection of ultra-broadband THz pulses covering the entire THz spectral range without any gaps. Air-photonics naturally offers unique opportunities for ultra-broadband transient THz spectroscopy, yet many critical challenges inherent to this technique must first be resolved. Here, we present explicit guidelines for ultra-broadband transient THz spectroscopy with air-photonics, including a novel method for self-referenced signal acquisition minimizing the phase error, and the numerically-accurate approach to the transient reflectance data analysis. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2017
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