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Terahertz spectroscopy and imaging at the nanoscale for biological and security applications

Bowen, J. (2013) Terahertz spectroscopy and imaging at the nanoscale for biological and security applications. In: Di Bartolo, B., Collins, J. and Silvestri, L. (eds.) Nano-optics for enhancing light-matter interactions on a molecular scale. NATO Science for Peace and Security Series B: Physics and Biophysics. Springer, Dordrecht, pp. 287-303. ISBN 9789400753129

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The chemical specificity of terahertz spectroscopy, when combined with techniques for sub-wavelength sensing, is giving new understanding of processes occurring at the nanometre scale in biological systems and offers the potential for single molecule detection of chemical and biological agents and explosives. In addition, terahertz techniques are enabling the exploration of the fundamental behaviour of light when it interacts with nanoscale optical structures, and are being used to measure ultrafast carrier dynamics, transport and localisation in nanostructures. This chapter will explain how terahertz scale modelling can be used to explore the fundamental physics of nano-optics, it will discuss the terahertz spectroscopy of nanomaterials, terahertz near-field microscopy and other sub-wavelength techniques, and summarise recent developments in the terahertz spectroscopy and imaging of biological systems at the nanoscale. The potential of using these techniques for security applications will be considered.

Item Type:Book or Report Section
Divisions:Life Sciences > School of Biological Sciences > Department of Bio-Engineering
ID Code:32229
Uncontrolled Keywords:Plasmonics, Photonic Materials and Sub-Wavelength Resolution

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