[HTML][HTML] Tutorial: An introduction to terahertz time domain spectroscopy (THz-TDS)

J Neu, CA Schmuttenmaer - Journal of Applied Physics, 2018 - pubs.aip.org
Terahertz time-domain spectroscopy (THz-TDS) is a powerful technique for material's
characterization and process control. It has been used for contact-free conductivity …

Tutorial: Terahertz beamforming, from concepts to realizations

D Headland, Y Monnai, D Abbott, C Fumeaux… - Apl Photonics, 2018 - pubs.aip.org
The terahertz range is generally defined as the portion of the electromagnetic spectrum that
lies between 100 GHz and 10 THz. It is situated above the microwave range, and below the …

Temporal aiming

V Pacheco-Peña, N Engheta - Light: Science & Applications, 2020 - nature.com
Deflecting and changing the direction of propagation of electromagnetic waves are needed
in multiple applications, such as in lens–antenna systems, point-to-point communications …

Toward real-time terahertz imaging

H Guerboukha, K Nallappan… - Advances in Optics and …, 2018 - opg.optica.org
Terahertz (THz) science and technology have greatly progressed over the past two decades
to a point where the THz region of the electromagnetic spectrum is now a mature research …

A data-efficient self-supervised deep learning model for design and characterization of nanophotonic structures

W Ma, Y Liu - Science China Physics, Mechanics & Astronomy, 2020 - Springer
With its tremendous success in many machine learning and pattern recognition tasks, deep
learning, as one type of data-driven models, has also led to many breakthroughs in other …

The magic of optics—an overview of recent advanced terahertz diffractive optical elements

A Siemion - Sensors, 2020 - mdpi.com
Diffractive optical elements are well known for being not only flat but also lightweight, and
are characterised by low attenuation. In different spectral ranges, they provide better …

Tutorial on broadband transmissive metasurfaces for wavefront and polarization control of terahertz waves

X You, C Fumeaux… - Journal of Applied Physics, 2022 - pubs.aip.org
In order to harness the capabilities of terahertz waves, various metasurface-based functional
devices have been developed recently. However, due to the limited usage of systematic …

Dual-band light focusing using stacked graphene metasurfaces

W Ma, Z Huang, X Bai, P Zhan, Y Liu - ACS Photonics, 2017 - ACS Publications
In this article, we theoretically study the optical properties of graphene metasurfaces
consisting of layered graphene ribbons and their potential applications as multifunctional …

Experimental realization of an epsilon-near-zero graded-index metalens at terahertz frequencies

V Pacheco-Peña, N Engheta, S Kuznetsov… - Physical Review …, 2017 - APS
The terahertz band has been historically hindered by the lack of efficient generators and
detectors, but a series of recent breakthroughs have helped to effectively close the “terahertz …

On the performance of an ENZ-based sensor using transmission line theory and effective medium approach

V Pacheco-Peña, M Beruete… - New Journal of …, 2019 - iopscience.iop.org
In this paper we perform an in-depth theoretical study of a sensing platform based on
epsilon-near-zero (ENZ) metamaterials. The structure proposed for sensing is a narrow …