Mr. Hrobjartur Thorsteinsson Profile

Hrobjartur Thorsteinsson

Ph.D. Student at Univ of Cambridge

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Author

Publications (9)

Proceedings Article | 22 July 2010 Paper

Bias-free imaging at low light levels

James Gordon, David Buscher, Hrobjartur Thorsteinsson

Proceedings Volume 7734, 77344A (2010) https://doi.org/10.1117/12.857104

KEYWORDS: Sensors, Fringe analysis, Photodetectors, Bismuth, Statistical analysis, Modulation, Neptunium, Signal to noise ratio, Interferometers, Phase shift keying

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Proceedings Article | 28 June 2006 Paper

A fast amplified fringe modulator and its waveform optimisation

Hrobjartur Thorsteinsson, David Buscher

Proceedings Volume 6268, 626837 (2006) https://doi.org/10.1117/12.671442

KEYWORDS: Modulators, Metrology, Modulation, Amplifiers, Mirrors, Fringe analysis, Actuators, Time metrology, Interferometry, Visibility

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Proceedings Article | 23 June 2006 Paper

Activities in the COAST group: 2004-2006

Christopher Haniff, John Baldwin, Fabien Baron, Alastair Basden, Nazim Bharmal, Roger Boysen, David Buscher, Julien Coyne, Roger Dace, Martin Fisher, Craig Mackay, Richard Neill, Bridget O'Donovan, Eugene Seneta, Xiaowei Sun, Hrobjartur Thorsteinsson, Peter Warner, Donald Wilson, John Young

Proceedings Volume 6268, 626805 (2006) https://doi.org/10.1117/12.670919

KEYWORDS: Telescopes, Interferometry, Interferometers, Astronomy, Magdalena Ridge Observatory, Prototyping, Image restoration, Visibility, Synthetic apertures, Cameras

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Proceedings Article | 20 October 2004 Paper

The bispectrum in model-independent imaging

Hrobjartur Thorsteinsson, David Buscher, John Young

Proceedings Volume 5491, (2004) https://doi.org/10.1117/12.551018

KEYWORDS: Image restoration, Signal to noise ratio, Image quality, Interferometers, Optical interferometry, Radio optics, Synthetic apertures, Switches, Mathematical modeling, Chemical elements

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Proceedings Article | 20 October 2004 Paper

An interferometry imaging beauty contest

Peter Lawson, William Cotton, Christian Hummel, John Monnier, Ming Zhao, John Young, Hrobjartur Thorsteinsson, Serge Meimon, Laurent Mugnier, Guy Le Besnerais, Eric Thiebaut, Peter Tuthill

Proceedings Volume 5491, (2004) https://doi.org/10.1117/12.550710

KEYWORDS: Data modeling, Interferometry, Interferometers, Visibility, Image restoration, Reconstruction algorithms, Telescopes, Synthetic apertures, Calibration, Radio optics

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Proceedings Article | 20 October 2004 Paper

COAST: recent technology and developments

Christopher Haniff, John Baldwin, Alastair Basden, Nazim Bharmal, Roger Boysen, David Buscher, James Keen, Craig Mackay, Bridget O'Donovan, Eugene Seneta, Hrobjartur Thorsteinsson, Nathalie Thureau, Robert Tubbs, Peter Warner, Donald Wilson, John Young

Proceedings Volume 5491, (2004) https://doi.org/10.1117/12.552278

KEYWORDS: Telescopes, Interferometers, Astronomy, Image restoration, Phase measurement, Astronomical imaging, Astronomical telescopes, Magdalena Ridge Observatory, Interferometry, Data modeling

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Proceedings Article | 20 October 2004 Paper

General fringe decomposition and statistical bias correction in optical interferometry

Hrobjartur Thorsteinsson, David Buscher

Proceedings Volume 5491, (2004) https://doi.org/10.1117/12.550983

KEYWORDS: Modulation, Signal to noise ratio, Optical interferometry, Interferometry, Statistical analysis, Sensors, Photon counting, Fringe analysis, Optical calibration, Fourier transforms

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Proceedings Article | 21 February 2003 Paper

Astrophysical results from COAST

John Young, John Baldwin, Alastair Basden, Nazim Bharmal, David Buscher, Amanda George, Christopher Haniff, James Keen, Bridget O'Donovan, Debbie Pearson, Hrobjarthur Thorsteinsson, Nathalie Thureau, Robert Tubbs, Peter Warner

Proceedings Volume 4838, (2003) https://doi.org/10.1117/12.459135

KEYWORDS: Data modeling, Visibility, Stars, Calibration, Opacity, Phase measurement, Bandpass filters, Electronic filtering, Avalanche photodetectors, Error analysis

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Proceedings Article | 21 February 2003 Paper

Progress at COAST 2000-2002

Christopher Haniff, John Baldwin, Alastair Basden, Nazim Bharmal, Roger Boysen, David Buscher, Amanda George, James Keen, Craig Mackay, Bridget O'Donovan, Debbie Pearson, John Rogers, Bodie Seneta, Hrobjarthur Thorsteinsson, Nathalie Thureau, Robert Tubbs, Peter Warner, Donald Wilson, John Young

Proceedings Volume 4838, (2003) https://doi.org/10.1117/12.459335

KEYWORDS: Telescopes, Space telescopes, Interferometry, Astronomy, Visibility, Interferometers, Stars, Adaptive optics, Sensors, Phase measurement

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Showing 5 of 9 publications

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