Search Results - "Greenaway, A.H."

Remotely addressed optical fibre curvature sensor using multicore photonic crystal fibre by MacPherson, W.N., Gander, M.J., McBride, R., Jones, J.D.C., Blanchard, P.M., Burnett, J.G., Greenaway, A.H., Mangan, B., Birks, T.A., Knight, J.C., Russell, P.St.J.

“…We demonstrate an all-fibre curvature sensor that uses two-core photonic crystal fibre (PCF) as the sensing element. The PCF acts as a two-beam interferometer…”
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Wavefront sensing for single view three-component three-dimensional flow velocimetry by ANGARITA-JAIMES, N, MCGHEE, E, CHENNAOUI, M, CAMPBELL, H. I, ZHANG, S, TOWERS, C. E, GREENAWAY, A. H, TOWERS, D. P

“…We present the application of wavefront sensing to particle image velocimetry for three-component (3C), three-dimensional (3D) flow measurement from a single…”
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Zernike phase sensor for phasing of segmented telescopes by HUANG, T, LU, W, ZHANG, S, GREENAWAY, A. H

“…We study an adaptive dynamical feedback system for phasing of segmented mirrors. The system, which combines a Zernike wave front sensor with a feedback loop,…”
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Millimetre-wave aperture synthesis radiometry for snow and ice mapping by Harvey, A.R., Greenaway, A.H., Camps, A., Corbella, I., Torres, P., Bara, J., Martin-Neira, M.

“…An outline design for a dual-band mm-wave polarimetric SAIR has been presented and is considered to be tractable. The envisaged application is for snow and ice…”
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Coherent optical beam forming with passive millimeter-wave arrays by Blanchard, P.M., Greenaway, A.H., Harvey, A.R., Webster, K.

“…Passive millimeter-wave imaging requires large apertures to achieve an angular resolution comparable to that of typical infrared imagers. Aperture synthesis…”
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Two-axis bend measurement using multicore optical fibre by Gander, M.J., Macrae, D., Galliot, E.A.C., McBride, R., Jones, J.D.C., Blanchard, P.M., Burnett, J.G., Greenaway, A.H., Inci, M.N.

“…We describe the first use of a four-core optical fibre to measure bending about two orthogonal axes simultaneously. Individual cores in the fibre act as…”
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Broadband simultaneous multiplane imaging by Blanchard, P.M, Greenaway, A.H

“…A technique, using a distorted diffraction grating, which enables the simultaneous imaging of multiple object planes side-by-side on a single camera is…”
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Optical Fibre-based Vectoral Shape Sensor by Burnett, J.G., Blanchard, P.M., Greenaway, A.H.

“…: Optically broadband interferometric techniques have been developed into cost effective and practical systems that enable the discrimination of strain and…”
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Polarization maintaining single-mode fibre piezo-electric phase modulators by Luke, D.G., McBride, R., Burnett, J.G., Greenaway, A.H., Jones, J.D.C.

“…We describe a fibre-optic phase modulator comprising two coils of circular-core single-mode fibre wound onto two cylindrical piezo-electric elements, with a…”
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Adaptive optics technologies for industrial and medical applications by Greenaway, A.H.

“…Adaptive optics is a maturing technology. Developed primarily for big-science applications in the military and astronomy areas adaptive optics systems, the…”
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Wavefront shaping using an adaptive mirror and a phase-diversity sensor by El-Agmy, R.M., Bulte, H., Greenaway, A.H., Reid, D.T.

“…We report programmable wavefront shaping using a high-resolution deformable mirror system and a wavefront sensor based on the phase diversity principle…”
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Shot-to-shot measurement of laser beam quality (M/sup 2/ parameter) using a distorted diffraction grating by Martinez, R.C., Greenaway, A.H., Hand, D.P.

“…In this paper we present a compact device, which consists of a lens together with 1 or 2 distorted diffraction gratings and a single array detector. This novel…”
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Compact adaptive optics by Campbell, H.I., Greenaway, A.H., Restaino, S.R.

“…In this presentation we will explore the generalisation of the phase diversity approach, and show what properties the aberration function used should have in…”
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