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Assistant Professor of Physics
Science 1033
Offc. 641.269.4873
willig@grinnell.edu
- PHY-131: General Physics I w/Lab (Spring)
- PHY-132L: General Physics II Lab (Spring)
- PHY-462:: Advanced Laboratory (Spring)
- Magnetic Resonance Imaging
- Medical physics
- Computational physics and electrodynamics
- Inverse problems
- Constrained and specialized image reconstruction
- MR hardware design and optimization
- MRI motion correction using multiple detectors - Paden Roder '10, Illya Tyschenko '11
- MRI radiofrequency coil characterization, how to measure quality factor - Geoff Jacobs '09, Abel Assefa '08
- Imaging on a tabletop with Magritek's Terranova earth's field scanner - Yuyang Fan '11
- Dielectric resonance and wavelength effects - Prabal Adhikari '09
- Willig-Onwuachi J, Eagan TP, Shvartsman ShM, Brown RW. Designer RF Field Profiles for Parallel Imaging Applications. Concepts in Magnetic Resonance Part B: Magnetic Resonance Engineering 2005; 27B: 75-85.
- Willig-Onwuachi J, Yeh EN, Grant AK, Ohlinger MA, McKenzie CA, Sodickson DK. Phase-constrained parallel MR image reconstruction. Journal of Magnetic Resonance 2005; 176:187-198.
- Yeh EN, Stuber M, McKenzie CA, Botnar RM, Ohlinger MA, Grant AK, Willig J, Sodickson DK. Inherently self-calibrating spiral parallel imaging. Magnetic Resonance in Medicine 2005; 54:1-8.
- Brown RW, Cheng Y-CN, Eagan TP, Kidane TK, Mathur H, Petschek RG, Sherwin WG, Shvartsman ShM, Willig JD. Toward shielding improvements in MRI gradients and other systems. Magnetic Resonance Materials in Physics, Biology and Medicine (MAGMA) 2002; 13:186-192.
- Shvartsman ShM, Brown RW, Eagan TP, Willig JD. Supershielding: trapping of magnetic fields. IEEE Transactions on Magnetics 2001; 37:3116-3119.
- Shvartsman ShM, Brown RW, Cheng Y-CN, Eagan TP, Fujita H, Morich MA, Petropoulos LS, Willig JD. Application of the SUSHI method to the design of gradient coils. Magnetic Resonance in Medicine 2001; 45:147-155.
- BA, Grinnell College, 1995
- MS, Physics, University of Iowa, 1997
- Ph.D., Physics, Case Western Reserve University, 2001
- Postdoc (MRI), 2001-2003, Harvard Medical School/Beth Israel Deaconess Medical Center
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