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Journal Article
Real-time Imaging of Moving Living Objects using a Compact Terahertz Scanner
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- Authors
- Sang-Pil Han, Namje Kim, Won-Hui Lee, Eui Su Lee, Hyunsung Ko, Il-Min Lee, Kiwon Moon, Dong Hun Lee, Kyung Hyun Park
- Issue Date
- 2016-02
- Citation
- Applied Physics Express, v.9, no.2, pp.1-3
- ISSN
- 1882-0778
- Publisher
- Japan Society of Applied Physics (JSAP), Institute of Physics (IOP)
- Language
- English
- Type
- Journal Article
- Abstract
- In this study, we design a compact terahertz (THz) reflection scanner with a scan rate of 20 frames/s. This scanner is based on a benzocyclobutene-embedded InGaAs Schottky barrier diode detector having a maximum responsivity of 300V/W at 250GHz and a minimum noise equivalent power of 38pW/Hz p. With this scanner, details such as sharp head and tail and wrinkled segments in a moving caterpillar are observed. The thin and thick parts of the moving caterpillar that are presented in light gray and dark gray, respectively, on the gray scale are also well distinguished.
- KSP Keywords
- Gray-scale, Minimum Noise, Noise Equivalent Power, diode detector, head and tail, real-time imaging, scan rate, schottky barrier diode(SBD)