Abstract-Chemical mapping using reflection terahertz pulsed imaging

Y C Shen, P F Taday, D A Newnham and M Pepper
http://iopscience.iop.org/0268-1242/20/7/016?rel=ref&relno=7

Yaochun.shen@teraview.com
TeraView Limited, Platinum Building, St John's Innovation Park, Cambridge CB4 0WS, UK

In this paper, we present the latest chemical mapping images of heterogeneous mixtures based on far-infrared reflection spectra obtained using a terahertz pulsed imaging system. The terahertz images and spectral data obtained have a spectral resolution of 1 cm⁻¹ and cover a spectral range of 5–80 cm⁻¹. This broad spectral coverage enables us to map out the spatial distribution of individual chemical components of a sample in a single measurement.