Dr. Sean P. O'Neal Profile

Dr. Sean P. O'Neal

at Lawrence Livermore National Lab

SPIE Involvement:

Author

Publications (9)

Proceedings Article | 4 October 2023 Presentation

Large volume bismuth-loaded plastics for portal monitors

Sean O'Neal, Saphon Hok, Nerine Cherepy, Stephen Payne, Charles Hurlbut

Proceedings Volume PC12696, PC126960C (2023) https://doi.org/10.1117/12.2682491

KEYWORDS: Plastics, Scintillators, Bismuth

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Proceedings Article | 4 October 2022 Presentation + Paper

Large transparent ceramic garnet scintillator module

N. J. Cherepy, S. P. O'Neal, R. A. Osborne, T. J. Wineger, Z. M. Seeley, C. J. McNamee, S. A. Payne, F. Liang, H. Brands, L. Hoy, J. Verity, A. Jackson, D. Hook, L. Ruthardt, W. Johnson, T. Zhang, T. Stefanik

Proceedings Volume 12241, 1224105 (2022) https://doi.org/10.1117/12.2634325

KEYWORDS: Ceramics, Scintillators, Spectroscopy, Sensors, Garnet

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Proceedings Article | 3 October 2022 Presentation

Advantages of bismuth loaded plastic scintillators (Conference Presentation)

Sean O'Neal, Nerine Cherepy, Saphon Hok, Robert Sanner, Steven Payne

Proceedings Volume PC12241, PC1224107 (2022) https://doi.org/10.1117/12.2635289

KEYWORDS: Scintillators, Bismuth, Spectroscopy, Sensors, Environmental sensing

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Proceedings Article | 5 August 2021 Presentation

High-light yield bismuth-loaded plastic scintillators

Sean O'Neal, Nerine Cherepy, Saphon Hok, Stephen Payne

Proceedings Volume 11838, 1183808 (2021) https://doi.org/10.1117/12.2596144

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Proceedings Article | 4 August 2021 Presentation

Pixelated dual module GYGAG directional gamma spectrometer

Erik Swanberg, Sean O'Neal, Nerine Cherepy, Zachary Seeley, Stephen Payne, Joel Kindem

Proceedings Volume 11838, 1183809 (2021) https://doi.org/10.1117/12.2596159

KEYWORDS: Spectroscopy, Scintillators, Sensors, Photodiodes, Microcontrollers, Image resolution, Garnet, Ceramics

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Proceedings Article | 17 September 2020 Presentation + Paper

Scintillators and detectors for MeV x-ray and neutron imaging

N. Cherepy, Z. Seeley, S. Hok, D. Schneberk, P. Kerr, S. O'Neal, I. Oksuz, M. Bisbee, L. Cao, S. Payne, R. Sanner, G. Stone, B. Hobson, G. Guethlein, J. Hall, R. Stoneking, J. Mintz, C. McNamee, P. Thelin

Proceedings Volume 11494, 114940N (2020) https://doi.org/10.1117/12.2569519

KEYWORDS: Scintillators, X-rays, Radiography, X-ray imaging, Amorphous silicon, Ceramics, Spatial resolution

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Proceedings Article | 17 September 2019 Presentation

Mini direction-finding gamma spectrometer (Conference Presentation)

Sean O'Neal, Erik Swanberg, Nerine Cherepy, Zachary Seeley, Stephen Payne, Joel Kindem

Proceedings Volume 11114, 111140B (2019) https://doi.org/10.1117/12.2531461

KEYWORDS: Spectroscopy, Ceramics, Garnet, Sensors, Environmental monitoring, Environmental sensing, Oxides, Silicon, Photodiodes, Imaging spectroscopy

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