Browsing by Author "Whittaker, David"

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Browsing by Author "Whittaker, David"

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  • Johnston, Michael; Dowd, Annette; Driver, Robert; Linfield, Edmund; Davies, A.; Whittaker, David (IOP Publishing, 2004)
    It is shown experimentally that surface-field terahertz (THz) emitters can produce well-collimated beams of THz radiation, making them useful devices for time-domain spectroscopy applications. Simulations of the carrier-dynamics ...
  • Johnston, Michael; Whittaker, David; Dowd, Annette; Davies, A.; Linfield, Edmund; Li, X; Ritchie, D (Optical Society of America, 2002)
    A compact, high-power emitter of half-cycle terahertz (THz) radiation is demonstrated. The device consists of an epitaxial InAs emitter upon a GaAs prism and produces THz pulses that are 20 times more powerful than those ...