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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 34 — Dec. 1, 2011
  • pp: H285–H296

Depth resolution enhancement in optical scanning holography with a dual-wavelength laser source

Jun Ke, Ting-Chung Poon, and Edmund Y. Lam  »View Author Affiliations

Applied Optics, Vol. 50, Issue 34, pp. H285-H296 (2011)

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In this paper, we use two point sources to analyze the depth resolution of an optical scanning holography (OSH) system with a single-wavelength source. A dual-wavelength source is then employed to improve it, where this dual-wavelength OSH (DW-OSH) system is modeled with a linear system of equations. Object sectioning in DW-OSH is obtained with the Fourier domain conjugate gradient method. Simulation results show that, with the two source wavelengths at 543 nm and 633 nm, a depth resolution at 2.5 μm can be achieved. Furthermore, an OSH system emulator is provided to demonstrate the performance of DW-OSH compared with a conventional OSH system.

© 2011 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:
Optimization, Improvement, Enhancement, and Coding in Digital Holography

Original Manuscript: August 5, 2011
Revised Manuscript: September 15, 2011
Manuscript Accepted: October 5, 2011
Published: December 5, 2011

Virtual Issues
Digital Holography and 3D Imaging 2011 (2011) Applied Optics

Jun Ke, Ting-Chung Poon, and Edmund Y. Lam, "Depth resolution enhancement in optical scanning holography with a dual-wavelength laser source," Appl. Opt. 50, H285-H296 (2011)

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