Dr. Richard M. Ambrosi Profile

Dr. Richard M. Ambrosi

at Univ of Leicester

SPIE Involvement:

Author

Publications (17)

Proceedings Article | 15 July 2008 Paper

Improving quantum efficiency and spectral resolution of a CCD through direct manipulation of the depletion region

Craig Brown, Richard Ambrosi, Tony Abbey, Olivier Godet, R. O'Brien, M. Turner, Andrew Holland, Peter Pool, David Burt, David Vernon

Proceedings Volume 7011, 70113Z (2008) https://doi.org/10.1117/12.802622

KEYWORDS: Charge-coupled devices, Quantum efficiency, Spectral resolution, X-rays, Silicon, Monte Carlo methods, Data modeling, X-ray astronomy, X-ray detectors, Imaging spectroscopy

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Proceedings Article | 15 June 2006 Paper

Effects of micrometeoroid and space debris impacts in grazing incidence telescopes

A. Abbey, R. Ambrosi, A. Wells

Proceedings Volume 6266, 62663K (2006) https://doi.org/10.1117/12.677410

KEYWORDS: Particles, Mirrors, Space telescopes, Grazing incidence, X-ray telescopes, Charge-coupled devices, Telescopes, Sensors, Space operations, Scattering

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Proceedings Article | 18 August 2005 Paper

MOS CCDs for the wide-field imager on the XEUS spacecraft

A. Holland, C. Castelli, I. Hutchinson, D. Smith, J. Calafell, P. Pool, D. Burt, R. Ambrosi, M. French

Proceedings Volume 5898, 58980Y (2005) https://doi.org/10.1117/12.639708

KEYWORDS: Charge-coupled devices, Sensors, Molybdenum, Electrodes, CCD image sensors, X-rays, Silicon, Imaging systems, Space operations, Field effect transistors

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Proceedings Article | 11 October 2004 Paper

In-orbit performance of the EPIC-MOS detectors on XMM-Newton

Steven Sembay, Anthony Abbey, Bruno Altieri, Richard Ambrosi, Darren Baskill, Philippe Ferrando, Kallol Mukerjee, Andrew Read, Martin Turner

Proceedings Volume 5488, (2004) https://doi.org/10.1117/12.553180

KEYWORDS: Charge-coupled devices, Cameras, Calibration, Molybdenum, X-rays, CCD cameras, Sensors, Imaging spectroscopy, Manganese, Stars

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Proceedings Article | 29 September 2004 Paper

Next-generation detectors for x-ray astronomy

Richard Ambrosi, Andrew Holland, Kallol Mukerjee, Adam Keay, Martin Turner, Antony Abbey, Ian Hutchinson, T. Ashton, Andrew Beardmore, Alexander Short, Peter Pool, David Burt, D. Vernon

Proceedings Volume 5501, (2004) https://doi.org/10.1117/12.555512

KEYWORDS: X-rays, Charge-coupled devices, Electrodes, Quantum efficiency, Sensors, X-ray astronomy, Molybdenum, Silicon, X-ray detectors, Imaging spectroscopy

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Proceedings Article | 19 February 2004 Paper

CCDs for the rotational velocity spectrometer on GAIA

Andrew Holland, Mark Cropper, David Katz, Ian Hutchinson, Richard Ambrosi, Tim Stevenson, David Smith, Dave Walton, D. Burt, Peter Pool, David Morris, Torgeir Paulsen

Proceedings Volume 5251, (2004) https://doi.org/10.1117/12.517151

KEYWORDS: Charge-coupled devices, Sensors, Spectroscopy, Stars, Telescopes, Space telescopes, Silicon, Photometry, Point spread functions, Optical alignment

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Proceedings Article | 3 February 2004 Paper

A spectroscopic performance of the Swift X-ray Telescope for gamma-ray burst afterglow studies

Kallol Mukerjee, Julian Osborne, Alan Wells, Anthony Abbey, Andrew Beardmore, Alexander Short, Richard Ambrosi, Alberto Moretti

Proceedings Volume 5165, (2004) https://doi.org/10.1117/12.507852

KEYWORDS: Charge-coupled devices, X-rays, X-ray telescopes, Silicon, Calibration, Monte Carlo methods, Photon counting, Quantum efficiency, Matrices, Sensors

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Proceedings Article | 3 February 2004 Paper

Swift XRT effective area measured at the Panter end-to-end tests

Gianpiero Tagliaferri, Alberto Moretti, Sergio Campana, Anthony Abbey, Richard Ambrosi, Lorella Angelini, Andrew Beardmore, Heinrich Brauninger, Wolfgang Burkert, David Burrows, Milvia Capalbi, Guido Chincarini, Oberto Citterio, Giancarlo Cusumano, Michael Freyberg, Paolo Giommi, Gisela Hartner, Joanne Hill, Koji Mori, Dave Morris, Kallol Mukerjee, John Nousek, Julian Osborne, Alexander Short, F. Tamburelli, D. Watson, Alan Wells

Proceedings Volume 5165, (2004) https://doi.org/10.1117/12.504835

KEYWORDS: Calibration, Vignetting, Charge-coupled devices, Mirrors, Telescopes, Contamination, Quantum efficiency, X-rays, Sensors, Ray tracing

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Proceedings Article | 3 February 2004 Paper

SWIFT XRT point spread function measured at the Panter end-to-end tests

Alberto Moretti, Sergio Campana, Gianpiero Tagliaferri, Anthony Abbey, Richard Ambrosi, Lorella Angelini, Andrew Beardmore, Heinrich Brauninger, Wolfgang Burkert, David Burrows, Milvia Capalbi, Guido Chincarini, Oberto Citterio, Giancarlo Cusumano, Michael Freyberg, Paolo Giommi, Gisela Hartner, Joanne Hill, Koji Mori, Dave Morris, Kallol Mukerjee, John Nousek, Julian Osborne, Alexander Short, Francesca Tamburelli, D. Watson, Alan Wells

Proceedings Volume 5165, (2004) https://doi.org/10.1117/12.504857

KEYWORDS: Point spread functions, Calibration, Mirrors, Data modeling, Sensors, Charge-coupled devices, X-rays, Telescopes, Spectroscopy, Gamma radiation

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Proceedings Article | 3 February 2004 Paper

Readout modes and automated operation of the Swift X-ray Telescope

Joanne Hill, David Burrows, John Nousek, Anthony Abbey, Richard Ambrosi, Heinrich Brauninger, Wolfgang Burkert, Sergio Campana, Chaitanya Cheruvu, Giancarlo Cusumano, Michael Freyberg, Gisela Hartner, R. Klar, C. Mangels, Alberto Moretti, Koji Mori, Dave Morris, Alexander Short, Gianpiero Tagliaferri, D. Watson, P. Wood, Alan Wells

Proceedings Volume 5165, (2004) https://doi.org/10.1117/12.505728

KEYWORDS: Switches, X-ray telescopes, Switching, Charge-coupled devices, X-rays, Photodiodes, Photon counting, Spectroscopy, Point spread functions, Gamma radiation

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Proceedings Article | 12 January 2004 Paper

Development of the CCDs for the ESA GAIA cornerstone mission

Andrew Holland, Michael Perryman, Cyril Vetel, Roy Steward, Ian Hutchinson, Richard Ambrosi, David Smith, Steve Bowring, David Burt, Tim Eaton, David Morris, Peter Poole, Robert Davancens, Anouk Laborie, Pierre Pouny, Frederic Safa, Igor Zayer, Alexander Short

Proceedings Volume 5167, (2004) https://doi.org/10.1117/12.515401

KEYWORDS: Charge-coupled devices, Sensors, Telescopes, Atrial fibrillation, Space telescopes, Staring arrays, Stars, Space operations, Optical benches, Radiation effects

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Proceedings Article | 11 March 2003 Paper

Proton-induced leakage current in CCDs

David Smith, Andrew Holland, Mark Robbins, Richard Ambrosi, Ian Hutchinson

Proceedings Volume 4851, (2003) https://doi.org/10.1117/12.461331

KEYWORDS: Charge-coupled devices, Electrons, Photodiodes, Ionization, Aluminum, Copper, Signal generators, Silicon, Radiation effects, Classification systems

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Proceedings Article | 11 March 2003 Paper

Algorithm for locating PSF-like events and computing the centroid in x-ray images

Joanne Hill, Chaitanya Cheruvu, Anthony Abbey, Richard Ambrosi, David Burrows, Alexander Short, Alan Wells, John Nousek

Proceedings Volume 4851, (2003) https://doi.org/10.1117/12.461495

KEYWORDS: Point spread functions, X-rays, Gamma radiation, X-ray telescopes, Mirrors, Charge-coupled devices, X-ray imaging, Cameras, Spectroscopy, Space operations

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Proceedings Article | 11 March 2003 Paper

Swift x-ray telescope (XRT)

David Burrows, Joanne Hill, John Nousek, Alan Wells, Alexander Short, Richard Ambrosi, Guido Chincarini, Oberto Citterio, G. Tagliaferri

Proceedings Volume 4851, (2003) https://doi.org/10.1117/12.461279

KEYWORDS: Space telescopes, Charge-coupled devices, Cameras, X-ray telescopes, Sensors, Telescopes, Mirrors, Calibration, X-rays, Sun

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Proceedings Article | 11 March 2003 Paper

MOS CCDs for the extended wide-field imager of XEUS

Andrew Holland, Richard Ambrosi, Ian Hutchinson, J. Calafell, Martin Turner, David Lumb, Peter Pool

Proceedings Volume 4851, (2003) https://doi.org/10.1117/12.461731

KEYWORDS: Charge-coupled devices, Sensors, X-rays, Molybdenum, Silicon, Electrodes, Imaging systems, X-ray imaging, Manufacturing, Point spread functions

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Proceedings Article | 25 January 2002 Paper

Centroiding and point response function measurements of the mirror/detector combination for the x-ray telescope on the SWIFT gamma-ray burst explorer

Richard Ambrosi, Anthony Abbey, Ian Hutchinson, Richard Willingale, Sergio Campana, Giancarlo Cusumano, Wolfgang Burkert, Alan Wells, Alexander Short, Oberto Citterio, Mauro Ghigo, G. Tagliaferri, Heinrich Braeuninger

Proceedings Volume 4497, (2002) https://doi.org/10.1117/12.454228

KEYWORDS: Point spread functions, X-rays, Mirrors, Charge-coupled devices, Calibration, Cameras, X-ray telescopes, Gamma radiation, Particles, Image processing

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Proceedings Article | 18 December 2000 Paper

Physics of image formation in accelerator-based fast neutron radiography

Richard Ambrosi, John Watterson, Heidar Rahmanian

Proceedings Volume 4142, (2000) https://doi.org/10.1117/12.410579

KEYWORDS: Scintillators, Sensors, Radiography, Image resolution, Scattering, Charge-coupled devices, Amorphous silicon, Image intensifiers, Image acquisition, Image processing

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Showing 5 of 17 publications

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