Author Affiliations

R.L. Sandberg,^1,* C. Song,² P.W. Wachulak,³ D.A. Raymondson,¹ A. Paul,¹ B. Amirbekian,² A.E. Sakdinawat,⁴ E. Lee,² C. La-O-Vorakiat,¹ M.C. Marconi,² C.S. Menoni,² M.M. Murnane,¹ J.J. Rocca,³ H.C. Kapteyn,¹ and J. Miao²

¹Department of Physics and JILA, University of Colorado and NIST, Boulder, Colorado

²Department of Physics & Astronomy and California NanoSystems Institute, University of California, Los Angeles, California

³Department of Electrical and Computer Engineering, Colorado State University, Fort Collins, Colorado

⁴Center for X-ray Optics at Lawrence Berkeley National Laboratory, Berkeley, California

^*Corresponding author: richard.sandberg@colorado.edu