Dr. John R. Macri Profile

Dr. John R. Macri

Project Manager at Univ of New Hampshire

SPIE Involvement:

Author

Publications (35)

Proceedings Article | 25 April 2008 Paper

Development and performance of the Fast Neutron Imaging Telescope for SNM detection

James Ryan, Ulisse Bravar, Erwin Flückiger, John Macri, Mark McConnell, Benoit Pirard, Richard Woolf

Proceedings Volume 6945, 694509 (2008) https://doi.org/10.1117/12.777699

KEYWORDS: Sensors, Scintillators, Scattering, Space telescopes, Telescopes, Solar energy, Prototyping, Instrument modeling, Calibration, Image sensors

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Proceedings Article | 17 April 2008 Paper

A Compton telescope for remote location and identification of radioactive material

James Ryan, Justin Baker, John Macri, Mark McConnell, Richard Carande

Proceedings Volume 6943, 694312 (2008) https://doi.org/10.1117/12.777711

KEYWORDS: Sensors, Telescopes, Lead, Space telescopes, Photons, Scintillators, Gamma radiation, Electronics, Data acquisition, Liquids

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Proceedings Article | 15 April 2008 Paper

Nuclear material detection techniques

James Christian, Radia Sia, Purushottam Dokhale, Irina Shestakova, Vivek Nagarkar, Kanai Shah, Erik Johnson, Christopher Stapels, James Ryan, John Macri, Ulisse Bravar, Ka-Ngo Leung, Michael Squillante

Proceedings Volume 6945, 69451Q (2008) https://doi.org/10.1117/12.778730

KEYWORDS: Sensors, Gamma radiation, Imaging systems, Solid state electronics, Scintillators, Coded apertures, Standoff detection, Cameras, Telescopes, Detector development

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Proceedings Article | 22 September 2007 Paper

Using LaX scintillator in a new low-background Compton telescope

James Ryan, Peter Bloser, John Macri, Mark McConnell

Proceedings Volume 6707, 670703 (2007) https://doi.org/10.1117/12.740646

KEYWORDS: Telescopes, Scintillators, Space telescopes, Sensors, Spatial resolution, Imaging spectroscopy, Liquids, Aluminum, Particles, Sodium

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Proceedings Article | 30 August 2006 Paper

Characterization of single-sided charge-sharing CZT strip detectors for gamma-ray astronomy

Burçin Dönmez, John Macri, James Ryan, Jason Legere, Mark McConnell, Mark Widholm, Tomohiko Narita, Louis-André Hamel

Proceedings Volume 6319, 63190A (2006) https://doi.org/10.1117/12.683695

KEYWORDS: Sensors, Photons, Imaging spectroscopy, Monte Carlo methods, Spectroscopy, Compton scattering, Stereoscopy, Gamma radiation, Signal attenuation, Gamma-ray astronomy

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Proceedings Article | 30 May 2006 Paper

FNIT: the fast neutron imaging telescope for SNM detection

Ulisse Bravar, Paul Bruillard, Erwin Flückiger, John Macri, Mark McConnell, Michael Moser, James Ryan

Proceedings Volume 6213, 62130G (2006) https://doi.org/10.1117/12.666119

KEYWORDS: Sensors, Scintillators, Monte Carlo methods, Atmospheric particles, Scattering, Telescopes, Solar energy, Image sensors, Prototyping, Imaging spectroscopy

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Proceedings Article | 17 September 2005 Paper

Further studies of single-sided charge-sharing CZT strip detectors

Burcin Donmez, John Macri, Mark McConnell, James Ryan, Mark Widholm, Tomohiko Narita, Louis-Andre Hamel

Proceedings Volume 5922, 59220H (2005) https://doi.org/10.1117/12.617297

KEYWORDS: Sensors, Prototyping, Diffusion, Clouds, Ionization, Ceramics, Imaging spectroscopy, Spectroscopes, Photons, Monte Carlo methods

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