Professor Paul Ewart: Publications

Broadband degenerate four-wave mixing of OH for flame thermometry

APPLIED PHYSICS B-LASERS AND OPTICS 67:1 (1998) 107-113

Authors:

GM Lloyd, IG Hughes, R Bratfalean, P Ewart

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Pressure effects on the spectral line shape of broad-band degenerate four-wave mixing

JOURNAL OF MODERN OPTICS 45:12 (1998) 2541-2549

Authors:

DJW Walker, GM Lloyd, RB Williams, R Bratfalean, P Ewart

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Thermal grating and broadband degenerate four-wave mixing spectroscopy of OH in high-pressure flames

APPLIED PHYSICS B-LASERS AND OPTICS 67:5 (1998) 667-673

Authors:

H Latzel, A Dreizler, T Dreier, J Heinze, M Dillmann, W Stricker, GM Lloyd, P Ewart

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Thermal grating velocimetry

OPTICS LETTERS 23:16 (1998) 1316-1318

Authors:

DJW Walker, RB Williams, P Ewart

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Coherent four-photon spectroscopy of excited atoms in a laser-produced plasma: From point-by-point to multipoint two-dimensional mapping

Laser Physics 7:3 (1997) 755-762

Authors:

DA Akimov, P Ewart, AB Fedotov, NI Koroteev, AN Naumov, DA Sidorov-Biryukov, AM Zheltikov

Abstract:

An experimental technique for the two-dimensional mapping of the relative populations of excited states of atoms and ions in a low-temperature plasma of optical breakdown is developed on the basis of coherent four-wave mixing (FWM) with hyper-Raman resonances. Conditions when FWM in a plasma occurs in the phase-matched regime and is not subject to significant influence of one-photon absorption are experimentally determined. A folded FWM scheme for single-pulse two-dimensional imaging of spatial distributions of atoms and ions in a laser-produced plasma is discussed. Copyright © 1997 by MAHK Hayka/Interperiodica Publishing.

Professor Paul Ewart

Sub department

Broadband degenerate four-wave mixing of OH for flame thermometry

Authors:

Pressure effects on the spectral line shape of broad-band degenerate four-wave mixing

Authors:

Thermal grating and broadband degenerate four-wave mixing spectroscopy of OH in high-pressure flames

Authors:

Thermal grating velocimetry

Authors:

Coherent four-photon spectroscopy of excited atoms in a laser-produced plasma: From point-by-point to multipoint two-dimensional mapping

Authors:

Abstract:

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