T-ray
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See also: tray
English
Etymology
From T (“terahertz”) + ray, modeled after X-ray, coined in Bell Labs in the 1990s.
Pronunciation
- IPA(key): /ˈtiːˌɹeɪ/
Audio (Southern England): (file)
Noun
- (engineering) Electromagnetic waves with frequencies intermediate between, and sharing properties of both, short radio waves and long IR optical waves. This region is defined variously as between 0.1 - 10 THz, 0.3-3 THz or 0.3-30 THz.
- Synonyms: submillimeter wave radiation, terahertz radiation, T-wave
- 2000 July 2, Robin McKie, “T-rays take over from X-rays”, in The Guardian:
- Military officials believe T-rays could pinpoint the chemical constituents of anti-personnel mines, and spot terrorists carrying explosives into airports. Doctors are interested in T-rays because they are less damaging to living tissue than X-rays.
Further reading
terahertz radiation on Wikipedia.Wikipedia - Derek Abbott, Xi-Cheng Zhang (2007 August) “Scanning the Issue: T-Ray Imaging, Sensing, and Retection”, in Proceedings of the IEEE, volume 95, number 8,
