Langford | EQOP

Delayed rapid passage and transient gain signals generated using a chirped 8 μm quantum cascade laser

Journal of Modern Optics 55, 3293–3303 (2008)

G. Duxbury, N. Langford, K. Hay

In-flight measurements of ambient methane, nitrous oxide and water using a quantum cascade laser based spectrometer

Applied Physics B 90, 329–337 (2008)

K. Hay, S. Wright, G. Duxbury, N. Langford

Rapid passage induced population transfer and coherences in the 8 micron spectrum of nitrous oxide

Molecular Physics 105, 741–754 (2007)

G. Duxbury, N. Langford, M. T. McCulloch, S. Wright

A compact quantum-cascade laser based spectrometer for monitoring the concentrations of methane and nitrous oxide in the troposphere

Applied Physics B 85, 243–249 (2006)

S. Wright, G. Duxbury, N. Langford

Observation of saturation and rapid passage signals in the 10.25 micron spectrum of ethylene using a frequency chirped quantum cascade laser

Molecular Physics 104, 2767–2779 (2006)

M. T. McCulloch, G. Duxbury, N. Langford

Real-time trace-level detection of carbon dioxide and ethylene in car exhaust gases

Applied Optics 44, 2887 (2005)

M. T. McCulloch, N. Langford, G. Duxbury

Efficient Raman shifting of high-energy picosecond pulses into the eye-safe 15-µ spectral region by use of a KGd(WO_4)_2 crystal

Optics Letters 30, 421 (2005)

A. Major, J. S. Aitchison, P. W. E. Smith, N. Langford, A. I. Ferguson

Quantum cascade semiconductor infrared and far-infrared lasers: from trace gas sensing to non-linear optics

Chemical Society Reviews 34, 921 (2005)

G. Duxbury, N. Langford, M. T. McCulloch, S. Wright

Simultaneous stimulated Raman scattering and second harmonic generation in periodically poled lithium niobate

Optics Express 13, 2099 (2005)

G. McConnell, A. I. Ferguson

Coherent two-photon absorption spectroscopy of the Raman-active KGd(WO_4)_2 crystal

Optics Letters 29, 2896 (2004)

A. Major, J. S. Aitchison, P. W. E. Smith, N. Langford, A. I. Ferguson

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