We review the current work on x-ray phase vortices. We explain the role of an x-ray vortex in phase recovery and speculate on its possible applications in other fields of x-ray optical research. We present our theoretical understanding of the structure of phase vortices and test these predictions against experiment. We present experimental observations of phase vortices with charge greater than 3 and observe that their propagation appears to be consistent with our theoretical models.
© 2004 Optical Society of America
Original Manuscript: November 23, 2003
Revised Manuscript: February 24, 2004
Manuscript Accepted: February 24, 2004
Published: August 1, 2004
Andrew G. Peele, Keith A. Nugent, Adrian P. Mancuso, David Paterson, Ian McNulty, and Jason P. Hayes, "X-ray phase vortices: theory and experiment," J. Opt. Soc. Am. A 21, 1575-1584 (2004)