Journal
Nature Photonics
Volume 10, Issue 12, Pages 809-+Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/NPHOTON.2016.209
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Funding
- Japan Science and Technology Agency
- Japan Society for the Promotion of Science [JP26286005, JP16H00798, JP16H00906, JP16J09937]
- Support for Tokyotech Advanced Researchers (STAR)
- Grants-in-Aid for Scientific Research [16H00906, 16J09937] Funding Source: KAKEN
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Imaging technologies based on terahertz (THz) waves have great potential for use in powerful non-invasive inspection methods. However, most real objects have various three-dimensional curvatures and existing THz technologies often encounter difficulties in imaging such configurations, which limits the useful range of THz imaging applications. Here, we report the development of a flexible and wearable THz scanner based on carbon nanotubes. We achieved room-temperature THz detection over a broad frequency band ranging from 0.14 to 39 THz and developed a portable THz scanner. Using this scanner, we performed THz imaging of samples concealed behind opaque objects, breakages and metal impurities of a bent film and multi-view scans of a syringe. We demonstrated a passive biometric THz scan of a human hand. Our results are expected to have considerable implications for non-destructive and non-contact inspections, such as medical examinations for the continuous monitoring of health conditions.
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