Dr. Thomas A. Schad Profile

Dr. Thomas A. Schad

at National Solar Observatory

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 11 September 2024 Presentation + Paper

The US National Science Foundation Daniel K. Inouye Solar Telescope operations commissioning: results and lessons learned

Thomas Rimmele, Alexandra Tritschler, Andres Parraguez, Friedrich Wöger, Bret Goodrich, Luke Johnson, Heather Marshall, Paul Jeffers, Alisdair Davey, Robert Tawa, Gary Candido, David Boboltz, Tetsu Anan, Christian Beck, Gianna Cauzzi, Serena Criscuoli, André Fehlmann, Catherine Fischer, David Harrington, Sarah Jaeggli, Maxim Kramar, David Kuridze, Thomas Schad, Dirk Schmidt, Joao Manuel da Silva Santos, Lucas Tarr, Han Uitenbroek, James Arnow, Joel Davidow, Dale Deibert, Alysa Derks, Arthur Eigenbrot, Tony Hays, Erik Johansson, Daniel Spiess, Frazer Watson, Scott Wiant, Hillary Hope Head, David Morris, Manuel Díaz Alfaro, Nuria Wright-Garba, Anthony Santini, Andrew Beard, David Berst, Bryan Cummings, Andrew Ferayorni, Stephen Guzzo, John Hubbard, Jon Munoz, Isabell Scholl, Eric Cross, Colleen Donnelly, Steve O'Brien, Rodell Agdinaoay, Wade Bortz, Christopher Foster, Gary Foster, Chriselle Ann Galapon, Brian Gregory, Stephanie Guzman, Marco Guzman, James Hoag, Mary Liang, Karl Newman, Brialyn Onodera, Sebastien Poupar, Myles Puentes, Lukas Rimmele, Erik Starman, Stacey Sueoka, Richard Summers, Aimee Szabo, Louis Szabo, Timothy Williams, Charles White, Chad Bader, James Barry, Eric Bio, Terran Carter, Linda Evans, Bruce Keahi, Kealli Koki, Michael Lay, Aidan Lay, Justin Lay, Barry Poe, Norman Tong, Roberto Casini, Alfred deWijn, Jeffrey Kuhn, Haosheng Lin, Thomas Kentischer, Clemens Halbgewachs

Proceedings Volume 13094, 130940Y (2024) https://doi.org/10.1117/12.3022760

KEYWORDS: Equipment, Magnetism, Calibration, Adaptive optics, Tunable filters, Polarization, Solar telescopes, Solar processes, Optical filters, Sun

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Proceedings Article | 19 July 2024 Presentation

DKIST instrumentation system commissioning

Friedrich Wöger, Thomas Rimmele, Alexandra Tritschler, David Harrington, Roberto Casini, Alfred de Wijn, Haosheng Lin, Sarah Jaeggli, Tetsu Anan, André Fehlmann, Thomas Schad, Matthias Schubert

Proceedings Volume 13096, 1309616 (2024) https://doi.org/10.1117/12.3019115

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Proceedings Article | 18 July 2024 Poster + Paper

Implementation of the 36 μm machined image slicer integral field unit for DKIST/DL-NIRSP

Tetsu Anan, Sarah Jaeggli, Haosheng Lin, Thomas Schad, Maxim Kramar, Friedrich Wöger, Stacey Sueoka, Luke Johnson, Isabelle Scholl, Morgan Bonnet

Proceedings Volume 13096, 1309626 (2024) https://doi.org/10.1117/12.3019649

KEYWORDS: Polarization, Polarimetry, Modulation, Spectrographs, Spatial resolution, Signal intensity, Sensors, Spectropolarimetry, Image segmentation, Histograms

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Proceedings Article | 29 August 2022 Presentation + Paper

The National Science Foundation’s Daniel K. Inouye Solar Telescope: status and first results

Thomas Rimmele, Mark Warner, Roberto Casini, Jeffery Kuhn, Haosheng Lin, Friedrich Wöger, Alexandra Tritschler, Alisdair Davey, Alfred de Wijn, Andre Fehlmann, David Harrington, Sarah Jaeggli, Thomas Schad, Tetsu Anan, Christian Beck, Heather Marshall, Paul Jeffers, Andrew Beard, David Berst, Eric Cross, Bryan Cummings, Colleen Donneley, Arthur Eigenbrot, Andrew Ferayorni, Christopher Foster, Chriselle Ann Galapon, Bret Goodrich, Brian Gregory, Stephanie Guzman, Stephen Guzzo, John Hubbard, Erik Johansson, Luke Johnson, Mary Liang, Brialyn Onodera, Myles Puentes, Lukas Rimmele, Erik Starman, Stacey Sueoka, Richard Summers, Aimee Szabo, Louis Szabo, Timothy Williams, Charles White

Proceedings Volume 12182, 121820Z (2022) https://doi.org/10.1117/12.2644469

KEYWORDS: Adaptive optics, Solar telescopes, Telescopes, Mirrors, Visible radiation, Solar processes, Magnetism, Sun, Polarization, Polarimetry

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SPIE Journal Paper | 2 August 2021 Open Access

Polarization modeling and predictions for DKIST, part 8: calibration polarizer spatial variation impacts

David Harrington, Tom Schad, Stacey Sueoka, Amanda White

JATIS, Vol. 7, Issue 03, 038002, (August 2021) https://doi.org/10.1117/12.10.1117/1.JATIS.7.3.038002

KEYWORDS: Polarizers, Calibration, Polarization, Modulation, Wave plates, Sapphire, Optical calibration, Telescopes, Metrology, Adaptive optics

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SPIE Journal Paper | 30 March 2021 Open Access

Polarization modeling and predictions for Daniel K. Inouye Solar Telescope, part 7: preliminary NCSP system calibration and model fitting

David Harrington, Stacey Sueoka, Amanda White, Arthur Eigenbrot, Tom Schad

JATIS, Vol. 7, Issue 01, 018004, (March 2021) https://doi.org/10.1117/12.10.1117/1.JATIS.7.1.018004

KEYWORDS: Mirrors, Polarizers, Polarization, Modulation, Wave plates, Calibration, Metrology, Systems modeling, Coating, Solar telescopes

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SPIE Journal Paper | 9 July 2020 Open Access

Polarization modeling and predictions for Daniel K. Inouye Solar Telescope, part 6: fringe mitigation with polycarbonate modulators and optical contact calibration retarders

David Harrington, Sarah Jaeggli, Tom Schad, Amanda White, Stacey Sueoka

JATIS, Vol. 6, Issue 03, 038001, (July 2020) https://doi.org/10.1117/12.10.1117/1.JATIS.6.3.038001

KEYWORDS: Crystals, Wave plates, Calibration, Modulators, Polarization, Solar telescopes, Quartz, Coating, Interfaces

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Proceedings Article | 28 July 2014 Paper

Polarization properties of a birefringent fiber optic image slicer for diffraction-limited dual-beam spectropolarimetry

Thomas Schad, Haosheng Lin, Kiyoshi Ichimoto, Yukio Katsukawa

Proceedings Volume 9147, 91476E (2014) https://doi.org/10.1117/12.2057125

KEYWORDS: Polarization, Modulation, Polarimetry, Spectrographs, Calibration, Astronomy, Fiber optics, Cladding, Prototyping, Spectroscopy

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Showing 5 of 8 publications

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