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Quantum-probe Field Microscope (QFIM) films THz-Nearfield Evolutions

Title data

Heindl, Moritz ; Kirkwood, Nicholas ; Lauster, Tobias ; Lang, Julia ; Retsch, Markus ; Mulvaney, Paul ; Herink, Georg:
Quantum-probe Field Microscope (QFIM) films THz-Nearfield Evolutions.
In: 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz). - Piscataway, NJ : IEEE , 2022
ISBN 978-1-7281-9427-1
DOI: https://doi.org/10.1109/IRMMW-THz50927.2022.9895775

Project information

Project financing: Deutsche Forschungsgemeinschaft
ERC Starting Grant VISIRday (#714968)

Abstract in another language

We demonstrate a novel ultrafast electric field microscopy for sub-wavelength and sub-cycle imaging of near-field waveforms at THz frequencies. Based on the fluorescence of semiconductor quantum-dots as local field probes, we acquire ultrafast movies of dynamic electric field evolutions inside broadband THz-antennas and of propagating THz-excitations in metallic waveguides using an optical microscope. This flexible scheme allows for local time-domain spectroscopy more than 100x below the diffraction limit and provides field-resolved access to field-driven and strong-field dynamics inside active metamaterials.

Further data

Item Type: Article in a book
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Physical Chemistry I - Kolloidale Strukturen und Energiematerialien > Chair Physical Chemistry I- Kolloidale Strukturen und Energiematerialien - Univ.-Prof. Dr. Markus Retsch
Profile Fields > Advanced Fields > Polymer and Colloid Science
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Central research institutes > Bayreuth Center for Colloids and Interfaces - BZKG
Research Institutions > Central research institutes > Bayerisches Zentrum für Batterietechnik - BayBatt
Research Institutions > Affiliated Institutes > Bavarian Polymer Institute (BPI)
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 11 Oct 2024 08:02
Last Modified: 11 Oct 2024 08:02
URI: https://eref.uni-bayreuth.de/id/eprint/90627