Dr. Thomas A. Schad Profile

Dr. Thomas A. Schad

at National Solar Observatory

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Author

Publications (5)

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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