Leaky Lens Photo-Conductive Antennas on LT GaAs membranes

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Leaky Lens Photo-Conductive Antennas on LT GaAs membranes

Conference Paper (2021)

Author(s)

Paolo Maria Sberna (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Arturo Fiorellini Bernardis (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Alessandro Garufo (TNO)

Juan Bueno (SRON–Netherlands Institute for Space Research)

Nuria Llombart (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Andrea Neto (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Research Group

EKL Processing

DOI related publication

https://doi.org/10.1109/IRMMW-THz50926.2021.9566890 Final published version

To reference this document use

https://resolver.tudelft.nl/uuid:473e523a-6c5a-4bf7-b3ad-0865184d2630

More Info

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Publication Year

2021

Language

English

Research Group

EKL Processing

Article number

9566890

Publisher

IEEE

ISBN (print)

978-1-7281-9425-7

ISBN (electronic)

978-1-7281-9424-0

Event

IRMMW-THZ 2021 (2021-08-30 - 2021-09-03), Online at Chengdu, China

Downloads counter

190

Abstract

Photo-conductive lens antennas (PCAs) exploit the ultra-short photoconductivity phenomenon of specific semiconductors in order to generate pulsed radiation in the THz regime. State of the art PCAs suffer from high dispersion and low radiation efficiency over the large generated bandwidth due to the poor coupling between the antenna and the dielectric lens. In this work, a leaky lens PCA is proposed to overcome these issues. The presented structure, indeed, aims at a 1:15 bandwidth (0.1 THz – 1.5 THz). The design, assembly and manufacture of a LT-GaAs membrane-based leaky lens PCA are shown and discussed together with the measurement of the radiated power.