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Phys Med Biol. 2002 Nov 7;47(21):3667-77.

Terahertz wave imaging: horizons and hurdles.

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  • 1Center for Terahertz Research, Rensselaer Polytechnic Institute, Troy, NY 12180-3590, USA.


Terahertz (THz) science will profoundly impact biotechnology. It has tremendous potential for applications in imaging, medical diagnosis, health monitoring, environmental control and chemical and biological identification. THz research will become one of the most promising research areas in the 21st century for transformational advances in imaging, as well as in other interdisciplinary fields. However, terahertz wave (T-ray) imaging is still in its infancy. This paper discusses the uniqueness and limitations of T-ray imaging, identifies the major challenges impeding T-ray imaging and proposes solutions and opportunities in this field. It also concentrates on the generation, propagation and detection of T-rays by the use of femtosecond optics.

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