Accurately frequency-resolved air-plasma THz beam profile from knifeedge assisted waveform measurements

M. Rasmussen, P.U. Jepsen, B.B. Zhou

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Abstract

We demonstrate accurately frequency-resolved profile measurement for a two-color air-plasma THz beam. It was achieved by combining THz waveform measurements and the knife-edge technique. The measurements show that while high frequencies feature a hollow donut shape, the low frequency beam is very close to a Gaussian profile.
Original languageEnglish
Publication date2021
Number of pages1
DOIs
Publication statusPublished - 2021
Event46th International Conference on Infrared, Millimeter and Terahertz Waves - Chengdu, China
Duration: 29 Aug 20213 Sept 2021

Conference

Conference46th International Conference on Infrared, Millimeter and Terahertz Waves
Country/TerritoryChina
CityChengdu
Period29/08/202103/09/2021

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