期刊
OPTICAL MATERIALS EXPRESS
卷 12, 期 9, 页码 3379-3402出版社
Optica Publishing Group
DOI: 10.1364/OME.465820
关键词
-
资金
- Canada Foundation for Innovation [16659, 37389]
- Natural Sciences and Engineering Research Council of Canada [RGPIN-2017-04022, RGPIN-2017-04073]
The generation of terahertz (THz) radiation has become easier over time. Research and development of THz applications often require THz compatible optical components. Commercially accessible 3D printing systems with high resolution can be used to create novel THz optical components. The properties of the printed component depend on the filament material used. This study characterizes 23 3D printing materials using terahertz time-domain spectroscopy (THz-TDS) to determine their absorptive and refractive properties.
Generation of terahertz (THz) radiation has become increasingly accessible over time. The research and development of THz applications is ongoing, often requiring the use of THz compatible optical components. At the same time, rapid prototyping three-dimensional (3D) printing systems are now commercially accessible and are capable of printing resolutions on the order of the THz wavelengths. Thus, 3D printing systems can be leveraged for use in creating novel THz optical components in varied experiments and applications. The filament material used in 3D printing systems dictates the absorptive and refractive properties of the 3D printed THz optical component. The commercial release of filament materials is continuous, year after year, inducing a need for literature to stay current with characterizing these filament materials over the THz gap. We use terahertz time-domain spectroscopy (THz-TDS) to characterize the absorptive and refractive properties of 3D printing materials over the THz gap. We present a consolidative and comprehensive aggregation of THz-TDS measurements of twenty-three 3D printing materials. A comparison of THz-TDS measurements for thick and thin samples provides verification of measurement accuracy. The measured THz bandwidth of these samples is extended by up to 1.2 THz. Furthermore, to the authors' best knowledge, the proposed work puts forward the first THz-TDS measurements of polyvinyl butyral, polyetherimide, and low temperature polycaprolactone filament materials. This work primarily focuses on fused deposition modeling (FDM) 3D printed materials, rather than stereolithography (SLA) 3D printed materials.
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