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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 13 — May. 1, 2013
  • pp: 3079–3087

Depth resolution enhancement in double-detection optical scanning holography

Haiyan Ou, Ting-Chung Poon, Kenneth K. Y. Wong, and Edmund Y. Lam  »View Author Affiliations


Applied Optics, Vol. 52, Issue 13, pp. 3079-3087 (2013)
http://dx.doi.org/10.1364/AO.52.003079


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Abstract

We propose an optical scanning holography system with enhanced axial resolution using two detections at different depths. By scanning the object twice, we can obtain two different sets of Fresnel zone plates to sample the same object, which in turn provides more information for the sectional image reconstruction process. We develop the computation algorithm that makes use of such information, solving a constrained optimization problem using the conjugate gradient method. Simulation results show that this method can achieve a depth resolution up to 1 μm.

© 2013 Optical Society of America

OCIS Codes
(100.3020) Image processing : Image reconstruction-restoration
(100.3190) Image processing : Inverse problems
(110.1758) Imaging systems : Computational imaging
(090.1995) Holography : Digital holography

ToC Category:
Holography

History
Original Manuscript: January 15, 2013
Revised Manuscript: April 2, 2013
Manuscript Accepted: April 2, 2013
Published: April 29, 2013

Citation
Haiyan Ou, Ting-Chung Poon, Kenneth K. Y. Wong, and Edmund Y. Lam, "Depth resolution enhancement in double-detection optical scanning holography," Appl. Opt. 52, 3079-3087 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-13-3079

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