Dr. Camden D. Ertley Profile

Dr. Camden D. Ertley

Lead Scientist at Southwest Research Institute

SPIE Involvement:

Author

Publications (29)

Proceedings Article | 22 August 2024 Presentation

Gamma-ray observations at stratospheric altitudes with the Gamma-Ray Polarimeter Experiment (GRAPE)

Karla Oñate Melecio, Mark McConnell, James Bundock, Camden Ertley, Fabian Kislat, Merlin Kole, Jason Legere, Emily Mello, Kevin Mello, Dominic Puopolo, Jimmy Zaid

Proceedings Volume 13093, 130932K (2024) https://doi.org/10.1117/12.3020647

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Proceedings Article | 22 August 2024 Presentation

The LargE Area burst Polarimeter (LEAP): a proposed NASA mission of opportunity for the ISS

Jessica Gaskin, Mark McConnell, Randy Baggett, Matthew Baring, Peter Bloser, Byron Bonds, Dennis Bowler, Michael Briggs, Camden Ertley, Paul Galloway, Adam Goldstein, J. Eric Grove, Dieter Hartmann, Peter Jenke, R. Marc Kippen, Fabian Kislat, Daniel Kocevski, Merlin Kole, John Krizmanic, Jason Legere, Tyson Littenberg, Neil Martin, Sheila McBreen, Chip Meegan, Karla Oñate Melecio, Mark Pearce, John Polizotti, Rob Preece, Nicolas Produit, James Ryan, Felix Ryde, Lisa Smith, Steven Sturner, Vincent Tatischeff, Peter Veres, W. Thomas Vestrand, Colleen Wilson-Hodge, George Younes, Jimmy Zaid, Bing Zhang

Proceedings Volume 13093, 130932C (2024) https://doi.org/10.1117/12.3020072

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Proceedings Article | 21 August 2024 Poster + Paper

Production of microchannel plates using nano-scale additive manufacturing

Camden Ertley, Ashley Bielinski, Jeffrey Elam, Anil Mane, Alex B. Martinson, Kevin Mello, Prabhjot Menon, Jerome Moore, Michael Pellin, Robert Wagner

Proceedings Volume 13093, 130935S (2024) https://doi.org/10.1117/12.3020026

KEYWORDS: Microchannel plates, Additive manufacturing, Atomic layer deposition, 3D printing, Ultraviolet radiation, Polymers

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Proceedings Article | 19 July 2024 Poster

Instrument performance of the Gamma-Ray Polarimeter Experiment (GRAPE) test flight

Karla Oñate Melecio, Mark McConnell, James Bundock, Camden Ertley, Jason Legere, Emily Mello, Kevin Mello, Dominic Puopolo, Jimmy Zaid, Merlin Kole

Proceedings Volume 13096, 130963N (2024) https://doi.org/10.1117/12.3020811

KEYWORDS: Equipment, Polarimetry, Gamma radiation, Design, Calibration, Scintillators, Spectroscopes, Sensors, Polarization, Optical arrays

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Proceedings Article | 4 October 2022 Presentation + Paper

An advanced design for the Gamma-RAy Polarimeter Experiment (GRAPE)

Karla Oñate Melecio, Christopher Bancroft, Camden Ertley, Fabian Kislat, Jason Legere, Steve Longworth, Mark McConnell, Kevin Mello, Dominic Puopolo, Jimmy Zaid, James Ryan

Proceedings Volume 12241, 122410G (2022) https://doi.org/10.1117/12.2632817

KEYWORDS: Polarization, Polarimetry, Scintillators, Gamma radiation, Spatial resolution, Photon polarization, Sensors, Compton scattering, Scattering, Physics

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Proceedings Article | 31 August 2022 Presentation + Paper

Development of a prototype detector for the Gamma-RAy Polarimeter Experiment (GRAPE)

Karla Oñate Melecio, Christopher Bancroft, Camden Ertley, Fabian Kislat, Jason Legere, Steve Longworth, Mark McConnell, James Ryan, Jimmy Zaid

Proceedings Volume 12181, 121812N (2022) https://doi.org/10.1117/12.2629044

KEYWORDS: Gamma ray imaging, Scintillators, Prototyping, Sensors, Polarization, Gamma radiation, Polarimetry, Calibration, Compton scattering, Data acquisition, Device simulation

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Proceedings Article | 30 August 2021 Presentation + Paper

Large-area, high-resolution atomic layer deposited microchannel plates for UV imaging and particle identification in space science applications

T. Cremer, Melvin Aviles, Satya Butler, C, Ertley, Michael Foley, Cole Hamel, Alexey Lyashenko, Michael Minot, Mark Popecki, Michael Stochaj, Oswald Siegmund

Proceedings Volume 11821, 118210D (2021) https://doi.org/10.1117/12.2594837

KEYWORDS: Microchannel plates, Ultraviolet radiation, Sensors, Manufacturing, Atomic layer deposition, Glasses, Photodetectors, Modulation, Particles

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Proceedings Article | 24 August 2021 Presentation + Paper

Evaluation of a prototype detector for the LargE Area burst Polarimeter (LEAP)

Karla Oñate Melecio, Camden Ertley, Mark McConnell, Jason Legere, Peter Bloser, Michael Briggs, Jessica Gaskin, Adam Goldstein, Eric Grove, Michelle Hui, Peter Jenke, Marc Kippen, Fabian Kislat, Daniel Kocevski, John Krizmanic, Chip Meegan, Rob Preece, James Ryan, Steven Sturner, Péter Veres, W. Thomas Vestrand, Colleen Wilson-Hodge

Proceedings Volume 11821, 118210Q (2021) https://doi.org/10.1117/12.2594568

KEYWORDS: Prototyping, Polarization, Sensors, Polarimetry, Collimators, Scintillators, Scattering, Calibration, Gamma radiation, Electronics, Astronomical instrumentation

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Proceedings Article | 24 August 2021 Presentation + Paper

The LargE Area burst Polarimeter (LEAP) a NASA mission of opportunity for the ISS

Mark McConnell, Matthew Baring, Peter Bloser, Michael Briggs, Camden Ertley, Greg Fletcher, Jessica Gaskin, Karen Gelmis, Adam Goldstein, Eric Grove, Dieter Hartmann, Michelle Hui, Peter Jenke, R. Marc Kippen, Fabian Kislat, Daneil Kocevski, Merlin Kole, John Krizmanic, Jason Legere, Tyson Littenberg, Neil Martin, Sheila McBreen, Don McQueen, Chip Meegan, Karla Oñate Melecio, Mark Pearce, Rob Preece, Nicolas Produit, James Ryan, Steven Sturner, Peter Veres, W. Thomas Vestrand, Colleen Wilson-Hodge, Bing Zhang

Proceedings Volume 11821, 118210P (2021) https://doi.org/10.1117/12.2594737

KEYWORDS: Polarization, Polarimetry, Sensors, Space operations, Scintillators, Photon polarization, Calibration, Spectroscopy, Gamma-ray astronomy

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Proceedings Article | 13 December 2020 Presentation + Paper

Development of UV imaging detectors with atomic layer deposited microchannel plates and cross strip readouts

O. H. Siegmund, J. B. McPhate, T. Curtis, N. Darling, J. Vallerga, T. Cremer, C. Ertley

Proceedings Volume 11454, 114541H (2020) https://doi.org/10.1117/12.2561753

KEYWORDS: Microchannel plates, Sensors, Ultraviolet radiation, Image sensors, Quantum efficiency, Spatial resolution, UV optics, Astrophysics, Sensor performance, Gallium nitride

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Proceedings Article | 13 December 2020 Presentation

Imaging-quality ALD-GCA-MCPs for high-resolution, large area UV-VIS spectrometers

Till Cremer, Melvin Aviles, Camden Ertley, Michael Foley, Alexey Lyashenko, Michael Minot, Mark Popecki, Travis Rivera, Michael Stochaj, Jeffrey Elam, Anil Mane, Oswald H. Siegmund

Proceedings Volume 11454, 1145416 (2020) https://doi.org/10.1117/12.2563353

KEYWORDS: Microchannel plates, Spectrometers, Photodetectors, Atomic layer deposition, Picosecond phenomena, Glasses, Gamma radiation, Thin film coatings, Resistance, Photon counting

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Proceedings Article | 9 September 2019 Presentation + Paper

Recent developments in next-generation microchannel plates for particle identification applications

Till Cremer, Bernhard Adams, Melvin Aviles, Camden Ertley, Michael Foley, Alexey Lyashenko, Michael Minot, Mark Popecki, Travis Rivera, Michael Stochaj, Anil Mane, Jeffrey Elam, Maximilian Gebhard, Oswald H. Siegmund

Proceedings Volume 11118, 111180M (2019) https://doi.org/10.1117/12.2530037

KEYWORDS: Microchannel plates, Particles, Glasses, Atomic layer deposition, Gamma radiation, Resistance, Thin film coatings, Photon counting, Spatial resolution, Spectroscopes

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Proceedings Article | 9 September 2019 Paper

Life testing of conventional and atomic layer deposition functionalized microchannel plates

Jason McPhate, Nathan Darling, Travis Curtis, Catriana Paw U, Casey Vo, Gillean Graves, Oswald H. Siegmund, Camden Ertley

Proceedings Volume 11118, 111180P (2019) https://doi.org/10.1117/12.2529517

KEYWORDS: Microchannel plates, Sensors, Atomic layer deposition, Ultraviolet radiation, Image sensors

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Proceedings Article | 9 September 2019 Paper

UV imaging detectors with high performance microchannel plates

O. H. Siegmund, J. Vallerga, N. Darling, T. Curtis, J. McPhate, J. Hull, T. Cremer, C. Ertley, M. Foley, M. Minot, G. Graves, C. Paw U, C. Vo

Proceedings Volume 11118, 111180N (2019) https://doi.org/10.1117/12.2529897

KEYWORDS: Microchannel plates, Atomic layer deposition, Modulation, Sensors, Ultraviolet radiation, Quantum efficiency, Opacity, Spatial resolution, Image sensors, Photon counting

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Proceedings Article | 9 September 2019 Presentation + Paper

Developments in large-area flat panel photodetectors with ALD glass capillary array microchannel plates

Camden Ertley, Alexey Lyashenko, Bernhard Adams, Till Cremer, Michael Minot, Mark Popecki, Michael Foley, Michael Stochaj, Cole Hamel, Satya Butler, Melvin Aviles, Travis Rivera, Oswald H. Siegmund

Proceedings Volume 11118, 111180L (2019) https://doi.org/10.1117/12.2530039

KEYWORDS: Photodetectors, Microchannel plates, Atomic layer deposition, Picosecond phenomena, Laser applications, Quantum efficiency, Spatial resolution

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Proceedings Article | 1 March 2019 Presentation + Paper

First results developing time-of-flight proton radiography for proton therapy applications

William Worstell, Bernhard Adams, Melvin Aviles, Justin Bond, Ethan Cascio, Till Cremer, Georges El Fakhri, Camden Ertley, Michael Foley, Kira Grogg, Cole Hamel, Hsiao-Ming Lu, Alexey Lyashenko, Michael Minot, Harald Paganetti, Mark Popecki, Michael Stochaj

Proceedings Volume 10948, 109480G (2019) https://doi.org/10.1117/12.2511804

KEYWORDS: Sensors, Microchannel plates, Radiography, Telescopes, Picosecond phenomena, Photodetectors, Oscilloscopes, Quantum efficiency, Resistance, Pulsed laser operation

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Proceedings Article | 6 July 2018 Paper

Microchannel plate detectors for future NASA UV observatories

C. Ertley, O. Siegmund, J. Vallerga, A. Tremsin, N. Darling, J. Hull, J. Tedesco, T. Curtis, C. Paw U.

Proceedings Volume 10699, 106993H (2018) https://doi.org/10.1117/12.2314197

KEYWORDS: Microchannel plates, Sensors, Atomic layer deposition, Ultraviolet radiation, Glasses, Quantum efficiency, Electronics, Neodymium, Spatial resolution, Opacity

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Proceedings Article | 19 September 2017 Presentation

ALD-microchannel plates for cryogenic applications (Conference Presentation)

Till Cremer, Bernhard Adams, Melvin Aviles, Justin Bond, Christopher Craven, Michael Foley, Alexey Lyashenko, Michael Minot, Mark Popecki, Michael Stochaj, William Worstell, Jeffrey Elam, Anil Mane, Oswald H. Siegmund, Camden Ertley

Proceedings Volume 10397, 103970Z (2017) https://doi.org/10.1117/12.2277185

KEYWORDS: Microchannel plates, Resistance, Cryogenics, Atomic layer deposition, Glasses, Manufacturing, Semiconductors, Temperature metrology, Nanostructures

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Proceedings Article | 19 September 2017 Presentation

Life testing of ALD-GCA MCPs: recent results (Conference Presentation)

Mark Popecki, Christopher Craven, Till Cremer, William Worstell, Michael Minot, Bernhard Adams, Michael Foley, Alexey Lyashenko, Justin Bond, Michael Stochaj, Camden Ertley, Oswald H. Siegmund, Jeffrey Elam, Anil Mane

Proceedings Volume 10397, 103970Y (2017) https://doi.org/10.1117/12.2277365

KEYWORDS: Microchannel plates, Resistance, Atomic layer deposition, Glasses, Thin films, Tolerancing, Manufacturing, Photodiodes

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Proceedings Article | 29 August 2017 Presentation + Paper

Microchannel plate detector technology potential for LUVOIR and HabEx

O. H. Siegmund, C. Ertley, J. Vallerga, E. Schindhelm, A. Harwit, B. Fleming, K. France, J. Green, S. McCandliss, W. Harris

Proceedings Volume 10397, 1039711 (2017) https://doi.org/10.1117/12.2274281

KEYWORDS: Microchannel plates, Sensors, Ultraviolet radiation, Imaging spectroscopy, Spatial resolution, Ultraviolet detectors, Photon counting, Borosilicate glass, Atomic layer deposition, Gallium nitride

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Proceedings Article | 19 January 2017 Presentation + Paper

Curved microchannel plates for compact spaceflight particle detection

Mark Popecki, Aileen O'Mahony, Till Cremer, Michael Stochaj, John Lewis, Michael Minot, Lynn Kistler, Mark Granoff, O. H. Siegmund, Camden Ertley, Anil Mane, Jeffrey Elam, Chris Craven, Justin Bond, Michael Foley

Proceedings Volume 9978, 99780K (2017) https://doi.org/10.1117/12.2236426

KEYWORDS: Microchannel plates, Particles, Glasses, Thin films, Satellites, Space operations, Resistance, Remote sensing, Current controlled current source

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Proceedings Article | 30 September 2016 Presentation + Paper

Pilot production and advanced development of large-area picosecond photodetectors

Michael Minot, Bernhard Adams, Melvin Aviles, Justin Bond, Christopher Craven, Till Cremer, Michael Foley, Alexey Lyashenko, Mark Popecki, Michael Stochaj, William Worstell, Anil Mane, Jeffrey Elam, Oswald H. Siegmund, Camden Ertley, Henry Frisch, Andrey Elagin

Proceedings Volume 9968, 99680X (2016) https://doi.org/10.1117/12.2237331

KEYWORDS: Microchannel plates, Picosecond phenomena, Photodetectors, Atomic layer deposition, Sensors, Ceramics, Resistance, Glasses, Quantum efficiency, Indium

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We report pilot production and advanced development performance results achieved for Large Area Picosecond Photodetectors (LAPPD). The LAPPD is a microchannel plate (MCP) based photodetector, capable of imaging with single-photon sensitivity at high spatial and temporal resolutions in a hermetic package with an active area of 400 square centimeters. In December 2015, Incom Inc. completed installation of equipment and facilities for demonstration of early stage pilot production of LAPPD. Initial fabrication trials commenced in January 2016. The “baseline” LAPPD employs an all-glass hermetic package with top and bottom plates and sidewalls made of borosilicate float glass. Signals are generated by a bi-alkali Na₂KSb photocathode and amplified with a stacked chevron pair of “next generation” MCPs produced by applying resistive and emissive atomic layer deposition coatings to borosilicate glass capillary array (GCA) substrates. Signals are collected on RF strip-line anodes applied to the bottom plates which exit the detector via pinfree hermetic seals under the side walls. Prior tests show that LAPPDs have electron gains greater than 107, submillimeter space resolution for large pulses and several mm for single photons, time resolutions of 50 picoseconds for single photons, predicted resolution of less than 5 picoseconds for large pulses, high stability versus charge extraction, and good uniformity. LAPPD performance results for product produced during the first half of 2016 will be reviewed. Recent advances in the development of LAPPD will also be reviewed, as the baseline design is adapted to meet the requirements for a wide range of emerging application. These include a novel ceramic package design, ALD coated MCPs optimized to have a low temperature coefficient of resistance (TCR) and further advances to adapt the LAPPD for cryogenic applications using Liquid Argon (LAr). These developments will meet the needs for DOE-supported RD for the Deep Underground Neutrino Experiment (DUNE), nuclear physics applications such as EIC, medical, homeland security and astronomical applications for direct and indirect photon detection.

Proceedings Article | 27 July 2016 Paper

Second generation large area microchannel plate flat panel phototubes

C. Ertley, O. H. Siegmund, S. Jelinsky, J. Tedesco, M. Minot, A. O’Mahony, C. Craven, M. Popecki, A. Lyashenko, M. Foley

Proceedings Volume 9915, 99152G (2016) https://doi.org/10.1117/12.2233073

KEYWORDS: Microchannel plates, Atomic layer deposition, Sensors, Glasses, Indium, Quantum efficiency, Picosecond phenomena, Ceramics, Image processing, Pulsed laser operation

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Proceedings Article | 24 August 2015 Paper

Characterization of borosilicate microchannel plates functionalized by atomic layer deposition

C. Ertley, O. H. Siegmund, J. Schwarz, A. Mane, M. Minot, A. O'Mahony, C. Craven, M. Popecki

Proceedings Volume 9601, 96010S (2015) https://doi.org/10.1117/12.2191892

KEYWORDS: Microchannel plates, Atomic layer deposition, Quantum efficiency, Electrodes, Ultraviolet radiation, Glasses, Sensors, Resistance, Lead glass, Borosilicate glass

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Proceedings Article | 29 July 2014 Paper

POET: a SMEX mission for gamma ray burst polarimetry

Mark McConnell, Matthew Baring, Peter Bloser, Joseph Dwyer, A. Gordon Emslie, Camden Ertley, Jochen Greiner, Alice Harding, Dieter Hartmann, Joanne Hill, Philip Kaaret, R. Kippen, David Mattingly, Sheila McBreen, Mark Pearce, Nicolas Produit, James Ryan, Felix Ryde, Takanori Sakamoto, Kenji Toma, W. Thomas Vestrand, Bing Zhang

Proceedings Volume 9144, 91440O (2014) https://doi.org/10.1117/12.2056905

KEYWORDS: Polarization, Polarimetry, Gamma radiation, Physics, Magnetism, Electroluminescent displays, X-rays, Sensors, Particles, Photon polarization

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Proceedings Article | 25 July 2014 Paper

Current status of the GRAPE balloon program

Mark McConnell, Peter Bloser, Camden Ertley, Jason Legere, James Ryan, Sambid Wasti

Proceedings Volume 9144, 91443P (2014) https://doi.org/10.1117/12.2056886

KEYWORDS: Polarization, Scintillators, Polarimetry, Fourier transforms, Calibration, Device simulation, Photon polarization, Sensors, Gamma radiation, Optical components

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Proceedings Article | 24 July 2014 Paper

A high-energy Compton polarimeter for the POET SMEX mission

Peter Bloser, Mark McConnell, Jason Legere, Camden Ertley, Joanne Hill, Marc Kippen, James Ryan

Proceedings Volume 9144, 91441I (2014) https://doi.org/10.1117/12.2056868

KEYWORDS: Polarimetry, Polarization, Gamma radiation, Scintillators, Photons, Modulation, Sensors, Positron emission tomography, Magnetism, Autoregressive models

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Proceedings Article | 26 September 2013 Paper

Plans for the next GRAPE balloon flight

Mark McConnell, Peter Bloser, Taylor Connor, Camden Ertley, Jason Legere, James Ryan, Sambid Wasti

Proceedings Volume 8859, 885909 (2013) https://doi.org/10.1117/12.2024145

KEYWORDS: Polarization, Scintillators, Polarimetry, Fourier transforms, Solar processes, Sun, Sensors, Calibration, Device simulation, Optical components

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Proceedings Article | 27 August 2010 Paper

Simulations of a monolithic lanthanum bromide gamma-ray detector

Camden Ertley, Christopher Bancroft, Peter Bloser, Taylor Connor, Jason Legere, Mark McConnell, James Ryan

Proceedings Volume 7805, 78051X (2010) https://doi.org/10.1117/12.859725

KEYWORDS: Sensors, Monte Carlo methods, Surface finishing, Gamma radiation, Polishing, Scintillators, Crystals, Collimators, Lanthanum, Imaging systems

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Showing 5 of 29 publications

Conference Committee Involvement (4)

UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXIV

3 August 2025 | San Diego, California, United States

UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXIII

20 August 2023 | San Diego, California, United States

UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XX

6 August 2017 | San Diego, California, United States

UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XIX

9 August 2015 | San Diego, California, United States

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