Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1997-06-17
2000-06-20
Westin, Edward P.
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
250330, G01N 2117, G01N 2149
Patent
active
060780479
ABSTRACT:
Providing a compositional image of an object in real time is accomplished by illuminating the object with a waveform comprising pulses of electromagnetic radiation in the terahertz frequency range and measuring the relative time delays of pulses reflected by the object to determine the positions of dielectric interfaces in the object. According to a further embodiment, the waveform includes one or more pulses of terahertz radiation, each pulse having a duration in the range of approximately 10 to 10,000 femtoseconds.
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Mittleman, D. M. et al., "T-Ray Imaging", IEEE Journal On Selected Topics In Quantum Electronics, Sep. 1996, IEEE, USA, vol. 2, No. 3, pp. 679-692.
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Mittleman Daniel Matthew
Nuss Martin C.
Brosemer J. J.
Hanig Richard
Lucent Technologies - Inc.
Westin Edward P.
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