Wind energy, with an exponential growth in the last years, is nowadays one of the most
important renewable energy sources. Modern wind turbines are bigger and complex to …

Blades are critical components in wind turbines (WTs) for power generation, and condition
monitoring (CM) of WT blades is a crucial and challenging issue under operating conditions …

Simultaneous spectral and spatial information of any object investigated through
electromagnetic radiation leads to the concept of spectral imaging technique (SIT): in …

Sapphire shaped crystals are considered as a favorable material platform of the terahertz
(THz) waveguide and fiber optics. Unique physical properties of sapphire, along with …

Fibreglass components employed in the marine environment are susceptible to moisture
ingress, resulting in a degradation of mechanical properties. The nondestructive testing and …

Numerous industries utilize carbon fiber composites (CFC) for their exceptional strength-to-
weight ratio and stiffness. However, inherent manufacturing defects such as voids and …

Continuous wave terahertz (CW THz) imaging, is a variant of terahertz imaging that has
been gaining scientific and technological relevance in multiple areas. In this paper the …

The diffraction limit of light due to the loss of evanescent waves that carry high spatial
frequency information in the far field restricts the practical applications of terahertz imaging …