Dr. David B. Buchholz Profile

Dr. David B. Buchholz

at Northwestern Univ

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Author

Publications (8)

Proceedings Article | 4 October 2022 Presentation + Paper

Magnetic smart material application to synchrotron x-ray optics: prospects and current progress

Melville Ulmer, Daniel Quispe, Donald Buchholz, Yip-Wah Chung, Jian Cao, Konstantina Kritikos

Proceedings Volume 12240, 122400B (2022) https://doi.org/10.1117/12.2633973

KEYWORDS: Magnetism, Silicon, X-ray optics, Actuators, Smart materials, Mirrors, Synchrotrons, Deformable mirrors, Wavefronts

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Proceedings Article | 16 December 2020 Presentation + Paper

The prospects for applying magnetic smart materials combined with shape memory alloys to produce correctable and deployable space telescopes

Melville Ulmer, Mohammadreza Jalilvand, Nicholas Marks, D. B. Buchholz, Brooke Fujishima, Nicolas Guerra, Jian Cao, Y- W. Chung, T. B. Baturalp, V. L. Coverstone, S. P. Stagon, Giovanni De Vita, Jeffrey Dugard, Raj Vaidyanathan

Proceedings Volume 11451, 114511X (2020) https://doi.org/10.1117/12.2564726

KEYWORDS: Shape memory alloys, Magnetism, Smart materials, Space telescopes, Space mirrors, Mirrors, New and emerging technologies, Specular reflections, Surface finishing

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SPIE Journal Paper | 9 July 2020

Stable membrane candidate for deployable membrane space telescopes

Turgut Baturalp, Luis Rodriguez, Victoria Coverstone, Rocco Coppejans, Jian Cao, Yip-Wah Chung, D. Bruce Buchholz, Melville Ulmer

JATIS, Vol. 6, Issue 03, 034001, (July 2020) https://doi.org/10.1117/12.10.1117/1.JATIS.6.3.034001

KEYWORDS: Mirrors, Magnetism, Space telescopes, Coating, Sputter deposition, Profiling, Chromium, Wavefront sensors, Space mirrors

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Proceedings Article | 9 September 2019 Paper

Progress toward controlling the shape of Si mirrors coated with a magnetic smart material

M. Ulmer, M. Jalilvanda, D. Buchholz, D. Matthews, Jonathan Cao, B. Fujishima, N. Marks, Jian Cao, Y-W. Chung

Proceedings Volume 11119, 1111918 (2019) https://doi.org/10.1117/12.2527309

KEYWORDS: Sputter deposition, Mirrors, Magnetism, Coating, Silicon, Smart materials

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Proceedings Article | 18 September 2018 Presentation + Paper

Magnetostrictively deforming the surface of a silicon wafer at two locations

M. Ulmer, R. Coppejans, M. Khreishi, K. Keely, D. Buchholz, R. Shiri, L. Rodriguez, A. O'Donnell, Z. Schonfeld, W. Reinhardt, L. Borgsmiller, T. Baturalp, V. Coverstone, J. Cao

Proceedings Volume 10761, 107610B (2018) https://doi.org/10.1117/12.2322511

KEYWORDS: Magnetism, Mirrors, Silicon, Actuators, X-ray optics, Sputter deposition, Semiconducting wafers, Head, Roads, X-ray telescopes

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Proceedings Article | 6 July 2018 Presentation + Paper

Membrane mirror evaluation of APERTURE: a precise extremely large reflective telescope using re-configurable elements

Turgut Baturalp, Victoria Coverstone, Rocco Coppejans, Jian Cao, YipWah Chung, David Buchholz, M. Ulmer

Proceedings Volume 10698, 106981K (2018) https://doi.org/10.1117/12.2309826

KEYWORDS: Mirrors, Magnetism, Magnetostrictive materials, Wavefronts, Wavefront reconstruction, Space telescopes, Wavefront sensors, Profiling, Temperature metrology

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Proceedings Article | 5 September 2017 Paper

APERTURE, a precise extremely-large reflective telescope using re-configurable element: a progress report

R. Coppejans, M. Ulmer, D. Buchholz, X. Wang, J. Cao, V. Coverstone, T. Baturalp, K. Condron, A. O'Donnell, B. Harpt, W. Reinhardt, M. Johnson

Proceedings Volume 10398, 103980N (2017) https://doi.org/10.1117/12.2274278

KEYWORDS: Mirrors, Magnetism, Space telescopes, Reflectivity, Reflector telescopes, Telescopes, Smart materials, Active optics, Optical calibration, James Webb Space Telescope

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Proceedings Article | 29 August 2017 Presentation + Paper

Controlling the shapes of coated silicon substrates via magnetic fields, a progress report

Melville Ulmer, Rocco Coppejans, David Buchholz, Jian Cao, Xiaoli Wang, Alejandro Mercado, Jun Qian, Lahsen Assoufid, Allison O'Donnell, Kyle Condron, Benjamin Harpt

Proceedings Volume 10399, 103991N (2017) https://doi.org/10.1117/12.2274210

KEYWORDS: Silicon, Mirrors, Magnetism, X-ray optics, X-ray astronomy, Telescopes

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Showing 5 of 8 publications

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