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Optics Letters

Optics Letters


  • Vol. 27, Iss. 20 — Oct. 15, 2002
  • pp: 1752–1754

Observation of an x-ray vortex

Andrew G. Peele, Philip J. McMahon, David Paterson, Chanh Q. Tran, Adrian P. Mancuso, Keith A. Nugent, Jason P. Hayes, Erol Harvey, Barry Lai, and Ian McNulty  »View Author Affiliations

Optics Letters, Vol. 27, Issue 20, pp. 1752-1754 (2002)

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Phase singularities are a ubiquitous feature of waves of all forms and represent a fundamental aspect of wave topology. An optical vortex phase singularity occurs when there is a spiral phase ramp about a point phase singularity. We report an experimental observation of an optical vortex in a field consisting of 9-keV x-ray photons. The vortex is created with an x-ray optical structure that imparts a spiral phase distribution to the incident wave field and is observed by use of diffraction about a wire to create a division-of-wave-front interferometer.

© 2002 Optical Society of America

OCIS Codes
(340.0340) X-ray optics : X-ray optics
(340.6720) X-ray optics : Synchrotron radiation

Andrew G. Peele, Philip J. McMahon, David Paterson, Chanh Q. Tran, Adrian P. Mancuso, Keith A. Nugent, Jason P. Hayes, Erol Harvey, Barry Lai, and Ian McNulty, "Observation of an x-ray vortex," Opt. Lett. 27, 1752-1754 (2002)

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