A Connected Array of Coherent Photoconductive Pulsed Sources to Generate mW Average Power in a 5 THz Bandwidth

Conference paper (2020)

Authors

A. Pelekanidis Student
P.M. Sberna EKL Processing - EEMCS , Else Kooi Laboratory
D. Fan Micro and Nano Engineering - Mechanical, Maritime and Materials Engineering
J. Bueno Lopez Tera-Hertz Sensing - EEMCS
Nuria Llombart Tera-Hertz Sensing - EEMCS
A. Neto Tera-Hertz Sensing - EEMCS
Research Group
EKL Processing (EEMCS) (TU Delft)
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Published Date

2020

Language

English

Reuse Rights

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Else Kooi Laboratory

Research Group

EKL Processing

Abstract

Recently, we have experimentally demonstrated the generation of mW average power, in the 100-600GHz bandwidth, by photoconductive sources using a connected array of dipoles coherently fed via a free-standing micro-lens array. In this contribution, we extend these sources to a much wider bandwidth reaching 5THz, without compromising the radiated power, by resorting to a tight array periodicity of 15Ϝm between the array elements and the use of an integrated 3D-printed micro-lens array to focus the laser power.

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