Terahertz imaging: a report on progress

Purpose - The purpose of this paper is to provide details of recent developments in terahertz (THz) imaging technology and its applications.Design methodology approach - This paper first discusses the properties, perceived imaging uses and sources of THz radiation. It then describes passive and acti...

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Bibliographic Details
Published in:Sensor review 2009-01, Vol.29 (1), p.6-12
Main Author: Bogue, Robert
Format: Article
Language:English
Subjects:
Antennas
Data imaging
Electromagnetic radiation
Electromagnetism
Electrons
Explosives
Lasers
Quantum dots
R&D
Radiation
Research & development
Security management
Security products
Security systems
Sensors
Statistical analysis
Studies
Technological change
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Description
Summary:Purpose - The purpose of this paper is to provide details of recent developments in terahertz (THz) imaging technology and its applications.Design methodology approach - This paper first discusses the properties, perceived imaging uses and sources of THz radiation. It then describes passive and active imaging systems through reference to commercial products and their applications. Finally, it considers future prospects and key technological developments.Findings - This paper shows that the commercialisation of passive and active imaging systems has been gradual but uses are emerging in a range of security, material testing and healthcare applications. Market development has been hindered in part by the high cost of systems and certain technological and operational limitations. Research which aims to overcome these problems is widespread and much involves the development of improved sources and detectors.Originality value - The paper provides a detailed insight into the present state of THz imaging technology and its applications and identifies and describes critical technological developments.
ISSN:0260-2288
1758-6828
DOI:10.1108/02602280910926706