See a complete list of our publications here!

Selected recent Publications


Direct measurement of the ionization source rate and closure of the particle balance in a helicon plasma using laser induced fluorescence

Jonathan Green, Oliver Schmitz, and Michael Zepp.

Physics of Plasma, 27(4):043511, 2020

Funded by the National Science Foundation under NSF CAREER Award No. PHY-1455210.


Enhanced helium exhaust during edge-localized mode suppression by resonant magnetic perturbations at DIII-D

E.T. Hinson, O. Schmitz, T. Abrams, A. Briesemeister, I. Bykov, C. Chrystal, C. Collins, T.E. Evans, H. Frerichs, B.A. Grierson, R.A. Moyer, C. Paz-Soldan, D. Thomas, E.A. Unterberg, and M. Wade.

Nuclear Fusion, 60(5):054004, 2020

Funded by the U.S. Department of Energy Early Career Award DE-SC0013911.


Wisconsin In Situ Penning (WISP) gauge: A versatile neutral pressure gauge to measure partial pressures in strong magnetic fields

T. Kremeyer, K. Flesch, O. Schmitz, G. Schlisio, U. Wenzel, and W7-X Team.

Review of Scientific Instruments, 91(4):43504, 2020

Funded by the Department of Energy under Grant No. DE-SC0014210.


Construction of a linear plasma device for studying helicon plasmas relevant to plasma-wakefield accelerators

Jonathan Green and Oliver Schmitz.

Plasma Sources Science and Technology, 29(4):045008, 2020

Funded by the National Science Foundation under NSF CAREER award PHY-1455210.


First demonstration of radiative power exhaust with impurity seeding in the island divertor at Wendelstein 7-X

F. Effenberg, S. Brezinsek, Y. Feng, R. König, M. Krychowiak, M. Jakubowski, H. Niemann, V. Perseo, O. Schmitz, D. Zhang, T. Barbui, C. Biedermann, R. Burhenn, B. Buttenschön, G. Kocsis, A. Pavone, F. Reimold, T. Szepesi, H. Frerichs, Y. Gao, U. Hergenhahn, S. Kwak, M. Otte, T. Sunn Pedersen, and W7-X Team.

Nuclear Fusion, 59(10):106020, 2019

Funded by the U.S. Department of Energy (DoE) under Grant DE-SC0014210.


Numerical exploration of non-axisymmetric divertor closure in the small angle slot (SAS) divertor at DIII-D

H. Frerichs, O. Schmitz, B. Covele, Y. Feng, H.Y. Guo, and D. Hill.

Nuclear Fusion, 58(5):054001, 2018

Funded by the VILAS foundation at UW Madison as part of the Vilas Mid-Career Award of Prof. O. Schmitz and by the DoE Early Career Award.


Field aligned flows driven by neutral puffing at MAST

I. Waters, H. Frerichs, S. Silburn, Y. Feng, J. Harrison, A. Kirk, and O. Schmitz.

NuclearFusion, 58(6):066002, 2018

Funded by the Department of Energy under grant DE-SC0012315.


Impact of magnetic islands in the plasma edge on particle fueling and exhaust in the HSX and W7-X stellarators

L. Stephey, A. Bader, F. Effenberg, O. Schmitz, G. A. Wurden, D. T. Anderson, F. S. B. Anderson, C. Biedermann, A. Dinklage, Y. Feng, H. Frerichs, G. Fuchert, J. Geiger, J. H. Harris, R. Koenig, P. Kornejew, M. Krychowiak, J. D. Lore, E. A. Unterberg, and I. Waters.

Physics of Plasmas, 25(6):062501, 2018

Funded by the Department of Energy under grant DE-SC0014210.