Investigating the crystallization process is a crucial approach for understanding crystal
properties. However, traditional optical microscopy and infrared spectroscopy often fail to …

The terahertz frequency modulated continuous wave (THz FMCW) imaging has proved to be
a novel nondestructive testing (NDT) technology for non-metal materials, and the large …

The properties of chiral compounds are closely related to their molecular interactions, and
differences in their interactions are usually manifested in their corresponding vibrational …

Qualitative analysis for microplastics is very important since it represents a looming threat to
our environment and healthy. FTIR is a powerful tool for microplastics classification …

Terahertz time-domain spectroscopy was first used to establish a correlation with the whole-
rock iron (TFe) content in different depths of the Bayan Obo protolith. Compared with …

Terahertz frequency modulation continuous wave (THz FMCW) imaging technology has
been widely used in non-destructive testing (NDT) applications of non-metallic materials …

Terahertz (THz) imaging has broad application prospects in nondestructive testing (NDT).
However, compared to visible light, it has a low resolution and limited depth of field (DOF) …

For fast and accurate non-destructive differentiation of plastic pellets with similar
appearance during import and export inspections, as well as for quality control purposes …

In order to meet the increasing demand of non-destructive testing (NDT) in engineering
practice, a continuous terahertz NDT platform based on linear scanning has been …

The effect of crystal-water contents on the optical properties and dielectric characteristics of
calcium sulfate in the THz band is investigated. The complex dielectric constant and …