학술논문

Frequency-Resolved Focal Spot Size of a Two-Color Air-Plasma THz Beam
Document Type
Conference
Source
2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) Infrared, Millimeter and Terahertz Waves (IRMMW-THz),2022 47th International Conference on. :1-1 Aug, 2022
Subject
Aerospace
Bioengineering
Communication, Networking and Broadcast Technologies
Components, Circuits, Devices and Systems
Engineered Materials, Dielectrics and Plasmas
Fields, Waves and Electromagnetics
Photonics and Electrooptics
Signal Processing and Analysis
Time-frequency analysis
Spectroscopy
Broadband communication
Time-domain analysis
Language
ISSN
2162-2035
Abstract
Using knife-edge assisted THz time-domain spectroscopy with a broadband air-plasma THz source we demonstrate frequency-resolution of the spatial THz beam profile, most notably near the spectroscopically important focal plane.