Dr. James A. Gregory Profile

Dr. James A. Gregory

at MIT Lincoln Lab

SPIE Involvement:

Author

Publications (20)

SPIE Journal Paper | 30 September 2024 Open Access

Open Access

Transmission grating arrays for the X-ray spectrometer on Arcus Probe

Ralf Heilmann, Alexander Bruccoleri, James Gregory, Eric Gullikson, Hans Moritz Günther, Edward Hertz, Renee Lambert, Douglas Young, Mark Schattenburg

JATIS, Vol. 11, Issue 01, 011004, (September 2024) https://doi.org/10.1117/12.10.1117/1.JATIS.11.1.011004

KEYWORDS: Diffraction gratings, X-rays, Optical gratings, Computed tomography, Blazed gratings, Spectroscopy, Diffraction, Silicon, Equipment, X-ray telescopes

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Proceedings Article | 21 August 2024 Poster + Paper

Poster + Paper

Curved detectors for future x-ray astrophysics missions

Eric Miller, James Gregory, Marshall Bautz, Harry Clark, Michael Cooper, Kevan Donlon, Richard Foster, Catherine Grant, Mallory Jensen, Beverly LaMarr, Renee Lambert, Christopher Leitz, Andrew Malonis, Mo Neak, Gregory Prigozhin, Kevin Ryu, Benjamin Schneider, Keith Warner, Douglas Young, William Zhang

Proceedings Volume 13093, 130935P (2024) https://doi.org/10.1117/12.3018475

KEYWORDS: Charge-coupled devices, Semiconducting wafers, Silicon, Sensors, X-rays, Wafer bonding, Vacuum, CCD image sensors, Deformation, X-ray detectors

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Proceedings Article | 23 August 2021 Presentation + Paper

Presentation + Paper

Manufacture and performance of blazed soft x-ray transmission gratings for Arcus and Lynx

Ralf Heilmann, Alexander Bruccoleri, Jungki Song, Bethany Levenson, Brian Smallshaw, Mallory Whalen, Alan Garner, Sarah Trowbridge Heine, Herman Marshall, Matthew Cook, James Gregory, Renee Lambert, Dmitri Shapiro, Douglas Young, Eric Gullikson, Tomoyuki Nonaka, Akimi Uchida, Manuel Quijada, Ed Hertz, Peter Cheimets, Randall Smith, Mark Schattenburg

Proceedings Volume 11822, 1182215 (2021) https://doi.org/10.1117/12.2594951

KEYWORDS: Diffraction gratings, Computed tomography, Semiconducting wafers, X-rays, Diffraction, Etching, Deep reactive ion etching, Photomasks, Optical alignment, X-ray diffraction

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Proceedings Article | 13 December 2020 Presentation + Paper

Presentation + Paper

Towards volume manufacturing of high-performance soft x-ray critical-angle transmission gratings

Ralf Heilmann, Alexander Bruccoleri, Jungki Song, Matthew Cook, James Gregory, Renee Lambert, Dimitri Shapiro, Douglas Young, Miranda Bradshaw, Vadim Burwitz, Gisela Hartner, Andreas Langmeier, Randall Smith, Mark Schattenburg

Proceedings Volume 11444, 114441H (2020) https://doi.org/10.1117/12.2562388

KEYWORDS: Diffraction gratings, X-rays, Manufacturing, Spectroscopy, Computed tomography, Diffraction, Absorption, Emission spectroscopy, Diagnostics, Plasmas

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Proceedings Article | 6 July 2018 Paper

Paper

Oxide-bonded molecular-beam epitaxial backside passivation process for large-format CCDs

K. Ryu, C. Leitz, H. Clark, X. Chen, M. Cooper, M. Zhu, P. Welander, R. Lambert, V. Bolkhovsky, D.-R. Yost, B. Burke, J. Gregory, V. Suntharalingam

Proceedings Volume 10699, 106993P (2018) https://doi.org/10.1117/12.2311512

KEYWORDS: Semiconducting wafers, Charge-coupled devices, Hydrogen, Oxides, Silicon, Quantum efficiency, Wafer bonding, Ultraviolet radiation, Interfaces, Plasma enhanced chemical vapor deposition, Molecular beam epitaxy

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SPIE Journal Paper | 11 September 2015 Open Access

Open Access

Enhancing the far-ultraviolet sensitivity of silicon complementary metal oxide semiconductor imaging arrays

Kurt Retherford, Yibin Bai, Kevin Ryu, James Gregory, Paul Welander, Michael Davis, Thomas Greathouse, Gregory Winters, Vyshnavi Suntharalingam, James Beletic

JATIS, Vol. 1, Issue 04, 046001, (September 2015) https://doi.org/10.1117/12.10.1117/1.JATIS.1.4.046001

KEYWORDS: Silicon, Semiconducting wafers, Ultraviolet radiation, Sensors, Oxides, Quantum efficiency, Doping, CMOS technology, Imaging arrays, Antimony

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Proceedings Article | 23 July 2014 Paper

Paper

Enhancing the far-UV sensitivity of silicon CMOS imaging arrays

K. Retherford, Yibin Bai, Kevin Ryu, J. Gregory, Paul Welander, Michael Davis, Thomas Greathouse, Gregory Winter, Vyshnavi Suntharalingam, James Beletic

Proceedings Volume 9154, 915412 (2014) https://doi.org/10.1117/12.2054840

KEYWORDS: Silicon, Semiconducting wafers, Sensors, Ultraviolet radiation, Doping, Oxides, Quantum efficiency, CMOS sensors, Antimony, CMOS devices

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Proceedings Article | 21 July 2014 Paper

Paper

Adaptive optics program at TMT

C. Boyer, Sean Adkins, David Andersen, Jenny Atwood, Yong Bo, Peter Byrnes, Kris Caputa, Jeff Cavaco, Brent Ellerbroek, Luc Gilles, James Gregory, Glen Herriot, Paul Hickson, Zoran Ljusic, Darren Manter, Christian Marois, Angel Otárola, Hubert Pagès, Matthias Schoeck, Jean-Christophe Sinquin, Malcolm Smith, Paolo Spano, Kei Szeto, Jinlong Tang, Tony Travouillon, Jean-Pierre Véran, Lianqi Wang, Kai Wei

Proceedings Volume 9148, 91480X (2014) https://doi.org/10.1117/12.2056863

KEYWORDS: Adaptive optics, Prototyping, Telescopes, Laser guide stars, Wavefront sensors, Point spread functions, Sensors, Real-time computing, Algorithm development, Wavefronts

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Proceedings Article | 13 September 2012 Paper

Paper

TMT adaptive optics program status report

Brent Ellerbroek, Sean Adkins, David Andersen, Jenny Atwood, Arnaud Bastard, Yong Bo, Marc-Andre Boucher, Corinne Boyer, Peter W. Byrnes, Kris Caputa, Shanqiu Chen, Carlos Correia, Raphael Cousty, Joeleff Fitzsimmons, Luc Gilles, James Gregory, Glen Herriot, Paul Hickson, Alexis Hill, John Pazder, Hubert Pagès, Thomas Pfrommer, Vladimir Reshetov, Scott Roberts, Jean-Christophe Sinquin, Matthias Schoeck, Malcolm Smith, Jean-Pierre Véran, Lianqi Wang, Kai Wei, Ivan Wevers

Proceedings Volume 8447, 84471J (2012) https://doi.org/10.1117/12.927046

KEYWORDS: Adaptive optics, Laser guide stars, Telescopes, Prototyping, Sensors, Wavefronts, Electronics, Sodium, Laser systems engineering, Thirty Meter Telescope

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Proceedings Article | 15 September 2011 Paper

Paper

A photon-counting detector for exoplanet missions

D. Figer, J. Lee, B. Hanold, B. Aull, J. Gregory, D. Schuette

Proceedings Volume 8151, 81510K (2011) https://doi.org/10.1117/12.893655

KEYWORDS: Sensors, Exoplanets, Signal to noise ratio, Silicon, Planets, Radiation effects, Avalanche photodetectors, Photodetectors, Imaging spectroscopy, Particles

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Proceedings Article | 28 January 2009 Paper

Paper

Low dark current, back-illuminated charge coupled devices

R. Westhoff, B. Burke, H. Clark, A. Loomis, D. Young, J. Gregory, R. Reich

Proceedings Volume 7249, 72490J (2009) https://doi.org/10.1117/12.817051

KEYWORDS: Charge-coupled devices, Clocks, Imaging systems, Bismuth, Silicon, Oxides, Hydrogen, Semiconducting wafers, Back illuminated sensors, Sensors

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Proceedings Article | 26 October 2007 Paper

Paper

Mitigating CCD radiation damage with charge injection: first flight results from Suzaku

M. Bautz, B. LaMarr, E. Miller, S. Kissel, G. Prigozhin, B. Burke, J. Gregory, H. Uchiyama, Y. Hyodo, H. Yamaguchi, H. Mori, T. Tsuru, H. Matsumoto, K. Koyama, K. Torii, S. Katsuda, K. Hasuike, H. Nakajima, K. Hayashida, H. Tsunemi, H. Murakami, M. Ozaki, T. Dotani

Proceedings Volume 6686, 66860Q (2007) https://doi.org/10.1117/12.734094

KEYWORDS: Sensors, Spectral resolution, Charge-coupled devices, Bismuth, X-rays, Radiation effects, Back illuminated sensors, X-ray imaging, Particles, Calibration

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Proceedings Article | 12 September 2007 Paper

Paper

Radiation-hard, charge-coupled devices for the extreme ultraviolet variability experiment

Richard Westhoff, Micheal Rose, James Gregory, Gregory Berthiaume, John Seely, Thomas Woods, Gregory Ucker

Proceedings Volume 6686, 668604 (2007) https://doi.org/10.1117/12.734371

KEYWORDS: Quantum efficiency, Charge-coupled devices, Extreme ultraviolet, Imaging systems, Silicon, Oxides, Sensors, Image processing, Satellites, Platinum

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Proceedings Article | 29 September 2004 Paper

Paper

Progress in x-ray CCD sensor performance for the Astro-E2 X-ray imaging spectrometer

Mark Bautz, Steven Kissel, Gregory Prigozhin, Beverly LaMarr, Barry Burke, James Gregory

Proceedings Volume 5501, (2004) https://doi.org/10.1117/12.553198

KEYWORDS: X-rays, Sensors, Spectral resolution, Back illuminated sensors, Bismuth, Charge-coupled devices, CCD image sensors, Quantum efficiency, X-ray detectors, X-ray imaging

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SPIE Journal Paper | 1 October 1998

X-ray absorption near edge structure in the quantum efficiency of x-ray charge-coupled devices

Gregory Prigozhin, Jonathan Woo, James Gregory, Andrew Loomis, Mark Bautz, George Ricker, Stefan Kraft

OE, Vol. 37, Issue 10, (October 1998) https://doi.org/10.1117/12.10.1117/1.601823

KEYWORDS: Silicon, Charge-coupled devices, X-rays, Absorption, Quantum efficiency, Silicon films, Oxygen, Thin films, Solids, Data modeling

Proceedings Article | 1 April 1998 Paper

Paper

Quantum efficiency of x-ray CCDs

Gregory Prigozhin, Jonathan Woo, James Gregory, Andrew Loomis, Mark Bautz, George Ricker, Stefan Kraft

Proceedings Volume 3301, (1998) https://doi.org/10.1117/12.304552

KEYWORDS: Charge-coupled devices, Silicon, Absorption, Quantum efficiency, X-rays, Silicon films, Oxygen, Thin films, Nitrogen, Sensors

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Proceedings Article | 31 October 1996 Paper

Paper

Flight x-ray CCD selection for the AXAF CCD Imaging Spectrometer

Michael Pivovaroff, Steven Kissel, Mark Bautz, Gregory Prigozhin, Takashi Isobe, Jonathan Woo, James Gregory

Proceedings Volume 2808, (1996) https://doi.org/10.1117/12.255993

KEYWORDS: Charge-coupled devices, Spectral resolution, X-rays, Calibration, Sensors, Manganese, Spectroscopy, Photons, Clocks, X-ray imaging

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Proceedings Article | 18 October 1996 Paper

Paper

Improving the performance of the GOES solar x-ray imager with a back-illuminated x-ray sensitive CCD

Gregory Berthiaume, Barry Burke, James Gregory, Patricia Bornmann

Proceedings Volume 2812, (1996) https://doi.org/10.1117/12.254099

KEYWORDS: Charge-coupled devices, X-rays, Quantum efficiency, CCD image sensors, X-ray imaging, Microchannel plates, Back illuminated sensors, Sensors, X-ray detectors, Signal detection

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Proceedings Article | 28 August 1992 Paper

Paper

High-performance visible-UV CCD imagers for space-based applications

Barry Burke, James Gregory, Robert Mountain, J. Huang, M. Cooper, Victor Dolat

Proceedings Volume 1693, (1992) https://doi.org/10.1117/12.138076

KEYWORDS: Charge-coupled devices, Imaging systems, Surveillance, Quantum efficiency, Semiconducting wafers, Ultraviolet radiation, Silicon, Back illuminated sensors, Clocks, Visible radiation

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Proceedings Article | 1 July 1991 Paper

Paper

Quantum efficiency model for p+-doped back-illuminated CCD imager

Chin Huang, Bernard Kosicki, Joseph Theriault, James Gregory, Barry Burke, Brett Johnson, Edward Hurley

Proceedings Volume 1447, (1991) https://doi.org/10.1117/12.45321

KEYWORDS: Charge-coupled devices, Back illuminated sensors, Quantum efficiency, Imaging systems, Internal quantum efficiency, Diffusion, Silicon, Optical sensors, Reflectivity, Data modeling

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Showing 5 of 20 publications

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