Distributed Excitations of Pulsed Photo-Conductive Sources
The Time Domain Analysis
L.F.E. Beijnen (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Andrea Neto – Mentor (TU Delft - Tera-Hertz Sensing)
N Llombart – Graduation committee member (TU Delft - Tera-Hertz Sensing)
Aurele J.L. Adam – Coach (TU Delft - ImPhys/Adam group)
More Info
expand_more
Other than for strictly personal use, it is not permitted to download, forward or distribute the text or part of it, without the consent of the author(s) and/or copyright holder(s), unless the work is under an open content license such as Creative Commons.
Abstract
Distributed feeding in photo-conducting antennas (PCAs) leads to simple optical designs, less prone to overheating, as well to terahertz (THz) antennas that can operate non-dispersively over wide bandwidths. However, the efficient analysis of pulsed PCAs was so far limited to architectures characterized by feeds small with respect to the THz wavelengths. In this thesis, an efficient and rigorous procedure for the time domain analysis of an infinitely long slot antenna printed on photo conductive material and excited by a distributed pulsed laser is presented. The procedure is electromagnetically rigorous, and relies on spectral representations of the fields in both the frequency and spatial domains.