- Abstract
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- Optics Express, Vol. 17 Issue 23, pp.20631-20641 (2009)
- Dean, Paul; Saat, Nor Kamila; Khanna, Suraj P; Salih, Mohammed; Burnett, Andrew; Cunningham, John; Linfield, Edmund H; Davies, A Giles
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We report dual-frequency transmission imaging of polycrystalline materials using an electrically tunable terahertz (THz) frequency quantum cascade laser (QCL). Using our system we...
- Abstract
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- Applied Optics, Vol. 48 Issue 33, pp.6448-6457 (2009)
- Vasefi, Fartash; Ng, Eldon; Kaminska, Bozena; Chapman, Glenn H; Jordan, Kevin; Carson, Jeffery J L
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When imaging through turbid media, objects are often blurred by scattered light. An optical collimator (i.e., an angular filter array) improves images by accepting only photons...