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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 5 — Mar. 11, 2013
  • pp: 6162–6168

Ptycholographic iterative engine with self-positioned scanning illumination

Xinchen Pan, Cheng Liu, Qiang Lin, and Jianqiang Zhu  »View Author Affiliations

Optics Express, Vol. 21, Issue 5, pp. 6162-6168 (2013)

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A special optical alignment is adopted and corresponding reconstruction algorithm is developed to reduce the reconstruction error induced by the hysteresis or backlash error of the translation stage in Ptychographical Iterative Engine (PIE) imaging with weak scattering specimen. In this suggested method, the positions of the scanning probe are determined directly from the recorded diffraction patterns rather than from the readout of the stage meter. This method not only remarkably improves the reconstruction quality, but also completely lowers the dependency of PIE on the device accuracy and accordingly enhances its feasibility for many applications with weak scattering specimen.

© 2013 OSA

OCIS Codes
(100.5070) Image processing : Phase retrieval
(110.1650) Imaging systems : Coherence imaging
(120.5050) Instrumentation, measurement, and metrology : Phase measurement

ToC Category:
Image Processing

Original Manuscript: January 10, 2013
Revised Manuscript: February 9, 2013
Manuscript Accepted: February 10, 2013
Published: March 4, 2013

Xinchen Pan, Cheng Liu, Qiang Lin, and Jianqiang Zhu, "Ptycholographic iterative engine with self-positioned scanning illumination," Opt. Express 21, 6162-6168 (2013)

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