Adrien Chopard
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View article: An algorithm of unordered wavefront propagation in terahertz phase retrieval with dense multiplane data acquisition
An algorithm of unordered wavefront propagation in terahertz phase retrieval with dense multiplane data acquisition Open
Iterative phase retrieval algorithms from multiple diffraction patterns in the terahertz (THz) frequency range are a promising tool of computational imaging capable of providing high spatial resolution of reconstructed phase images. One of…
View article: Terahertz diffractive imaging with saturated data inpainting
Terahertz diffractive imaging with saturated data inpainting Open
Multiplane iterative phase retrieval is a promising approach to diffraction imaging, which accurately determines the topographic and internal characteristics of various objects. Nevertheless, the detection systems used often have a limited…
View article: Skeletonization and 3D rendering with real time terahertz tomography
Skeletonization and 3D rendering with real time terahertz tomography Open
Terahertz technology (spanning between 0.1 and 10 THz) is now a well-established tool to achieve contactless sensing and non-destructive testing (NDT). Among the advanced approaches, THz computed tomography (THz CT) is an emerging techniqu…
View article: Terahertz Nondestructive Testing with Ultra-Wideband FMCW Radar
Terahertz Nondestructive Testing with Ultra-Wideband FMCW Radar Open
This paper presents the development, performance, integration, and implementation of a 150 GHz FMCW radar based on a homodyne harmonic mixing scheme for noncontact, nondestructive testing. This system offers high-dynamic-range measurement …
View article: Augmented reality terahertz (AR-THz) interface for imaging and sensing
Augmented reality terahertz (AR-THz) interface for imaging and sensing Open
IRMMW-THz 2021, 46th International Conference on Infrared, Millimeter and Terahertz Waves, Chengdu, CHINE, 29-/08/2021 - 03/09/2021
View article: A Versatile Illumination System for Real-Time Terahertz Imaging
A Versatile Illumination System for Real-Time Terahertz Imaging Open
Terahertz technologies are attracting strong interest from high-end industrial fields, and particularly for non-destructive-testing purposes. Currently lacking compactness, integrability as well as adaptability for those implementations, t…
View article: Guided Reflectometry Imaging Unit Using Millimeter Wave FMCW Radars
Guided Reflectometry Imaging Unit Using Millimeter Wave FMCW Radars Open
Frequency Modulated Continuous Wave (FMCW) radar systems in the millimeter and sub-millimeter range are technologically mature for many applicative fields such as au- tomotive and aerospace industries for imaging and non de- structive test…
View article: Terahertz phase retrieval imaging in reflection
Terahertz phase retrieval imaging in reflection Open
Terahertz phase retrieval is a promising technique able to assess the complex diffracted wave properties through an iterative processing algorithm. In this Letter, we demonstrate the implementation of this technique in reflection geometry …
View article: Millimeter waves Radar: A way to see through the airplane covering?
Millimeter waves Radar: A way to see through the airplane covering? Open
International audience
View article: Demonstration of a free-space optical communication link in the 10-meter range using electro-absorption modulator arrays
Demonstration of a free-space optical communication link in the 10-meter range using electro-absorption modulator arrays Open
Demonstration of a free-space optical communication link in the 10-meter range using electro-absorption modulator arrays