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13 December 2020 Imaging-quality ALD-GCA-MCPs for high-resolution, large area UV-VIS spectrometers
Till Cremer, Melvin Aviles, Camden D. Ertley, Michael R. Foley, Alexey V. Lyashenko, Michael J. Minot, Mark A. Popecki, Travis W. Rivera, Michael E. Stochaj, Jeffrey W. Elam, Anil U. Mane, Oswald H. W. Siegmund
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Proceedings Volume 11454, X-Ray, Optical, and Infrared Detectors for Astronomy IX; 1145416 (2020) https://doi.org/10.1117/12.2563353
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only
Abstract
Incom Inc. is developing and commercializing a new type of microchannel plate (MCP) electron multiplier, as well as MCP-based photodetectors such as the Large-Area Picosecond Photodetector, LAPPD(TM), and the High-Resolution Picosecond Photodetector, HRPPD. This new class of MCPs is called “ALD-GCA-MCPs” because these are MCPs that are made from glass capillary arrays (GCA) – glass plates with a regular array of hollow glass capillaries – that are functionalized using atomic layer deposition (ALD) thin film coating technology. ALD-GCA-MCPs are a technology advancement that affords MCPs with significantly improved performance, as compared to conventional MCPs. We will provide a brief ALD-GCA-MCP technology overview highlighting the current state of the art of Incom’s ALD-GCA-MCP technology, as well as ongoing developments addressing the GCA glass substrate, the resistive and secondary-electron-emissive ALD coatings, and their implications for detectors used in astronomical applications.
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Till Cremer, Melvin Aviles, Camden D. Ertley, Michael R. Foley, Alexey V. Lyashenko, Michael J. Minot, Mark A. Popecki, Travis W. Rivera, Michael E. Stochaj, Jeffrey W. Elam, Anil U. Mane, and Oswald H. W. Siegmund "Imaging-quality ALD-GCA-MCPs for high-resolution, large area UV-VIS spectrometers", Proc. SPIE 11454, X-Ray, Optical, and Infrared Detectors for Astronomy IX, 1145416 (13 December 2020); https://doi.org/10.1117/12.2563353
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KEYWORDS
Microchannel plates
Spectrometers
Photodetectors
Atomic layer deposition
Gamma radiation
Glasses
Picosecond phenomena
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