Terahertz wave imaging: horizons and hurdles

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...

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Bibliographic Details
Published in:Physics in medicine & biology 2002-11, Vol.47 (21), p.3667-3677
Main Author: Zhang, X-C
Format: Article
Language:English
Subjects:
Biological and medical sciences
Crystallography - instrumentation
Crystallography - methods
Diagnostic Imaging - instrumentation
Diagnostic Imaging - methods
Diagnostic Imaging - trends
Electromagnetic Phenomena - instrumentation
Electromagnetic Phenomena - methods
Electronics
Medical sciences
Microwaves
Optics and Photonics - instrumentation
Radiation, Nonionizing
Scattering, Radiation
Spectrum Analysis - instrumentation
Spectrum Analysis - methods
Transducers
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Summary: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.
ISSN:0031-9155
1361-6560
DOI:10.1088/0031-9155/47/21/301