Dr. Wiley N. Johnson Profile

Dr. Wiley N. Johnson

at Praxis, Inc.

SPIE Involvement:

Author

Publications (9)

SPIE Journal Paper | 14 November 2024

Development of the cadmium zinc TElluride Radiation Imager

Daniel Shy, Michael Streicher, Douglas Groves, Zhong He, Jason Jaworski, Willy Kaye, James Mason, Ryan Parsons, Feng Zhang, Yuefeng Zhu, Alena Thompson, Alexander Garner, Anthony Hutcheson, Mary Johnson-Rambert, W. Neil Johnson, Bernard Phlips

JATIS, Vol. 10, Issue 04, 044009, (November 2024) https://doi.org/10.1117/12.10.1117/1.JATIS.10.4.044009

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Proceedings Article | 8 October 2024 Presentation + Paper

On-orbit performance of Glowbug, a telescope on the ISS for gamma-ray transients

Richard Woolf, J. Eric Grove, Matthew Kerr, C. C. Teddy Cheung, J. Mitch Davis, Theodore Finne, W. Neil Johnson, Michael Briggs, Adam Goldstein, Daniel Kocevski, Colleen Wilson-Hodge, A. Wilder Crosier

Proceedings Volume 13151, 1315108 (2024) https://doi.org/10.1117/12.3029888

KEYWORDS: Sensors, Silicon photomultipliers, Equipment, Gamma radiation, Detector arrays, Plastics, Analytical research, Amplifiers, Temperature metrology, Scintillators

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Proceedings Article | 21 August 2024 Poster + Paper

Glowbug-2: a gamma-ray transient instrument for the ISS

Richard Woolf, J. Eric Grove, Matthew Kerr, C. C. Teddy Cheung, J. Mitch Davis, Theodore Finne, W. Neil Johnson, Michael Briggs, Adam Goldstein, Daniel Kocevski, Colleen Wilson-Hodge

Proceedings Volume 13093, 130937V (2024) https://doi.org/10.1117/12.3019502

KEYWORDS: Equipment, Sensors, Silicon photomultipliers, Gamma radiation, Crystals, Space operations, Design, Data acquisition, Scintillation, X-ray optics

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Proceedings Article | 5 October 2023 Presentation + Paper

On-orbit results of the GAGG radiation instruments

Lee Mitchell, Bernard Phlips, Richard Woolf, Anthony Hutcheson, Wiley Johnson, Mary Johnson-Rambert

Proceedings Volume 12678, 1267815 (2023) https://doi.org/10.1117/12.2672563

KEYWORDS: Gamma radiation, Silicon photomultipliers, Crystals, Space operations, Particles, Spectroscopy, Radiation effects, Scintillators, Spaceflight missions

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Proceedings Article | 3 October 2023 Presentation + Paper

Neutron radiation detection instrument-1A (NeRDI-1A)

Anthony Hutcheson, Bernard Phlips, W. Neil Johnson, Lee Mitchell, Joshua Wolf, Mary Johnson-Rambert, Joseph Davis, Theodore Finne, Richard Woolf, Rose Perea

Proceedings Volume 12696, 1269603 (2023) https://doi.org/10.1117/12.2682621

KEYWORDS: Silicon photomultipliers, Scintillators, Equipment, Design and modelling, Gamma radiation, Space operations, Data acquisition

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Proceedings Article | 31 August 2022 Presentation + Paper

Characterization of Glowbug: a gamma-ray telescope for bursts and other transients

Richard Woolf, J. Eric Grove, Michael Briggs, J. Mitch Davis, Theodore Finne, W. Neil Johnson, Matthew Kerr, Daniel Kocevski, Colleen Wilson-Hodge

Proceedings Volume 12181, 121811O (2022) https://doi.org/10.1117/12.2630543

KEYWORDS: Sensors, Crystals, Gamma radiation, Electronics, Analytical research, Stars, Calibration, Telescopes, Scintillation

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Proceedings Article | 24 August 2021 Presentation + Paper

GAGG Radiation Instrumentation (GARI)

Lee Mitchell, Bernard Phlips, Richard Woolf, Theodore Finne, Anthony Hutcheson, W. Neil Johnson, Mary Johnson-Rambert, Rose Perea

Proceedings Volume 11821, 1182105 (2021) https://doi.org/10.1117/12.2598588

KEYWORDS: Space sensors, Gamma-ray astronomy, Scintillation, Homeland security, Sensors, Crystals, Gamma radiation, Space operations, Data acquisition, Aerospace engineering, Spectroscopes, Scintillators

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Proceedings Article | 9 September 2019 Presentation + Paper

Strontium iodide radiation instrumentation II (SIRI-2)

Lee Mitchell, Bernard Phlips, Richard Woolf, Theodore Finne, W. Neil Johnson

Proceedings Volume 11118, 111180I (2019) https://doi.org/10.1117/12.2528073

KEYWORDS: Sensors, Europium, Gamma radiation, Solar processes, Space operations, Electrons, Crystals, Detector arrays, Data acquisition, Strontium

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Proceedings Article | 29 August 2017 Presentation + Paper

Strontium Iodide Radiation Instrumentation (SIRI)

Lee Mitchell, Bernard Phlips, Richard Woolf, Theodore Finne, W. Neil Johnson, Emily Jackson

Proceedings Volume 10397, 103970B (2017) https://doi.org/10.1117/12.2272606

KEYWORDS: Gamma radiation, Sensors, Spectroscopy, Strontium, Aerospace engineering, New and emerging technologies, Scintillators, Weapons of mass destruction, Defense technologies, Sodium

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Showing 5 of 9 publications

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