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| Terahertz tomography | |
|---|---|
| Purpose | Imaging is done by terahertz radiation |
Terahertz tomography is a class of tomography where sectional imaging is done by terahertz radiation. Terahertz radiation is electromagnetic radiation with a frequency between 0.1 and 10 THz; it falls between radio waves and light waves on the spectrum; it encompasses portions of the millimeter waves and infrared wavelengths. Because of its high frequency and short wavelength, terahertz wave has a high signal-to-noise ratio in the time domain spectrum.[1] Tomography using terahertz radiation can image samples that are opaque in the visible and near-infrared regions of the spectrum. Terahertz wave three-dimensional (3D) imaging technology has developed rapidly since its first successful application in 1997,[2] and a series of new 3D imaging technologies have been proposed successively.
- ^ Guillet, J. P.; Recur, B.; Frederique, L.; Bousquet, B.; Canioni, L.; Manek-Hönninger, I.; Desbarats, P.; Mounaix, P. (2014). "Review of Terahertz Tomography Techniques". Journal of Infrared, Millimeter, and Terahertz Waves. 35 (4): 382–411. Bibcode:2014JIMTW..35..382G. CiteSeerX 10.1.1.480.4173. doi:10.1007/s10762-014-0057-0. S2CID 120535020.
- ^ Daniel M. Mittleman, Stefan Hunsche, Luc Boivin, & Martin C. Nuss. (2001). T-ray tomography. Optics Letters, 22(12)