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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 12 — Jun. 12, 2006
  • pp: 5168–5177

Superresolution optical system by common-path interferometry

Vicente Mico, Zeev Zalevsky, and Javier Garcia  »View Author Affiliations

Optics Express, Vol. 14, Issue 12, pp. 5168-5177 (2006)

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We present a new approach to obtain superresolved images in digital holography by means of synthetic aperture generation using common-path interferometry and off-axis illumination in optical imaging systems. The paper includes two parts. First, we present a simple approach to double the resolution of an optical system using tilted illumination onto the object and an optical element in the image plane to produce the holographic recording. Then we present a novel approach consisting of attaching a diffraction grating in parallel together with the object in the input plane and using off-axis illumination provided by a Vertical Cavity Surface Emitting Lasers (VCSEL) array to allow us achieving a major improvement in the optical resolution limit with an extremely low penalty in the complexity of the resulting system. Experimental investigation based on commercial microscope objectives is presented.

© 2006 Optical Society of America

OCIS Codes
(090.0090) Holography : Holography
(100.0100) Image processing : Image processing
(100.2000) Image processing : Digital image processing
(100.6640) Image processing : Superresolution
(110.0110) Imaging systems : Imaging systems

ToC Category:
Image Processing

Original Manuscript: March 13, 2006
Revised Manuscript: May 12, 2006
Manuscript Accepted: May 12, 2006
Published: June 12, 2006

Virtual Issues
Vol. 1, Iss. 7 Virtual Journal for Biomedical Optics

Vicente Mico, Zeev Zalevsky, and Javier García, "Superresolution optical system by common-path interferometry," Opt. Express 14, 5168-5177 (2006)

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