Detail Information
Publications
Absorption-sensitive diffuse reflection imaging of concealed powders using a terahertz quantum cascade laserPaul Dean
School of Electronic and Electrical Engineering, University of Leeds, Leeds, LS2 9JT, UK
Opt Express 16:5997-6007. 2008..Our research demonstrates the feasibility of high-resolution frequency-domain terahertz imaging for the detection and identification of concealed powders in a reflection geometry...
Dual-frequency imaging using an electrically tunable terahertz quantum cascade laserPaul Dean
School of Electronic and Electrical Engineering, University of Leeds, Leeds, LS2 9JT, UK
Opt Express 17:20631-41. 2009..Owing to the specific molecular absorption spectra of these materials in the THz frequency range, the samples can be distinguished using our technique...
Measurement and analysis of the diffuse reflectance of powdered samples at terahertz frequencies using a quantum cascade laserP Dean
School of Electronic and Electrical Engineering, University of Leeds, Leeds, United Kingdom
J Chem Phys 134:134304. 2011..This work demonstrates the applicability of diffuse reflectance measurements, using a THz frequency quantum cascade laser, to the high-resolution spectroscopic analysis of bulk powdered samples at THz frequencies...
Terahertz imaging through self-mixing in a quantum cascade laserPaul Dean
School of Electronic and Electrical Engineering, University of Leeds, Leeds, LS2 9JT, UK
Opt Lett 36:2587-9. 2011..Self-mixing imaging offers high sensitivity, a potentially fast response, and a simple, compact optical design, and we show that it can be used to obtain high-resolution reflection images of exemplar structures...
