Design Concept of a Low-Terahertz Imaging Radar
Amin Aminaei
TL;DR
This paper introduces a Low-Terahertz Imaging Radar designed for non-destructive testing of Fibre-Reinforced Polymer composites, capable of detecting sub-millimeter defects with high resolution.
Contribution
It presents the design of a compact active radar operating at 1-2 THz specifically for evaluating FRP composites, enabling fast and detailed defect detection.
Findings
Effective detection of cracks and deamination in FRP composites
High-resolution imaging at sub-millimeter scale
Compact design suitable for practical NDE applications
Abstract
Terahertz (THz) imaging proved to be an efficient and powerful nondestructive examination (NDE) method for inspection of materials and detection of defects. Here, we present the development of a Low-Terahertz Imaging Radar(L-TIR) which is specifically designed for the evaluation of Fibre-Reinforced Polymer (FRP) composites. L-TIR will be a compact active radar with a laser pulse transmitter and a receiver which operates at the lower THz band (1 THz-2 THz). L-TIR will probe the structure and sub-layers of the FRP composites which makes it a suitable and fast tool to detect the cracks, breaks and deamination at sub-mm resolution. Keywords: THz Imaging Radar, NDE Method, FRP Composites
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