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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 3 — Feb. 4, 2008
  • pp: 1559–1564

Phase contrast soft x-ray microscopy using Zernike zone plates

Anne Sakdinawat and Yanwei Liu  »View Author Affiliations


Optics Express, Vol. 16, Issue 3, pp. 1559-1564 (2008)
http://dx.doi.org/10.1364/OE.16.001559


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Abstract

Soft x-ray Zernike phase contrast microscopy was implemented using a “Zernike zone plate” (ZZP) without the use of a separate phase filter in the back focal plane. The ZZP is a single optic that integrates the appropriate ±π/2 radians phase shift through selective zone placement shifts in a Fresnel zone plate. Imaging using a regular zone plate, positive ZZP, and negative ZZP was performed at a wavelength of λ=2.163 nm. Contrast enhancement with the positive ZZP and contrast reversal with the negative ZZP were observed.

© 2008 Optical Society of America

OCIS Codes
(340.0340) X-ray optics : X-ray optics
(340.7460) X-ray optics : X-ray microscopy
(050.1965) Diffraction and gratings : Diffractive lenses

ToC Category:
X-ray Optics

History
Original Manuscript: October 26, 2007
Revised Manuscript: January 2, 2008
Manuscript Accepted: January 3, 2008
Published: January 22, 2008

Virtual Issues
Vol. 3, Iss. 3 Virtual Journal for Biomedical Optics

Citation
Anne Sakdinawat and Yanwei Liu, "Phase contrast soft x-ray microscopy using Zernike zone plates," Opt. Express 16, 1559-1564 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-3-1559


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