Terahertz (THz) Optical Parameters of Three-Dimensional (3-D) Printing Materials
AMRDEC Redstone Arsenal United States
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With the development of Three-Dimensional 3-D printing as a rapid prototyping and low production rate manufacturing technology, the internal composition and structural quality of prints need to be known and quantitatively measurable. Submillimeter wave or terahertz THz radiation is a valid candidate to see through these visibly opaque structures and can be used to reveal a 3-D model as part of the nondestructive test and evaluation process that is, quality control. This report discusses the terahertz spectral optical characteristics of bulk printing materials commonly used in 3-D printing.
- Printing and Graphic Arts