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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 19 — Jul. 1, 2010
  • pp: 3701–3712

Reflection interference contrast microscopy of arbitrary convex surfaces

Jose C. Contreras-Naranjo, James A. Silas, and Victor M. Ugaz  »View Author Affiliations


Applied Optics, Vol. 49, Issue 19, pp. 3701-3712 (2010)
http://dx.doi.org/10.1364/AO.49.003701


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Abstract

Current accurate applications of reflection interference contrast microscopy (RICM) are limited to known geometries; when the geometry of the object is unknown, an approximated fringe spacing analysis is usually performed. To complete an accurate RICM analysis in more general situations, we review and improve the formulation for intensity calculation based on nonplanar interface image formation theory and develop a method for its practical implementation in wedges and convex surfaces. In addition, a suitable RICM model for an arbitrary convex surface, with or without a uniform layer such as a membrane or ultrathin coating, is presented. Experimental work with polymer vesicles shows that the coupling of the improved RICM image formation theory, the calculation method, and the surface model allow an accurate reconstruction of the convex bottom shape of an object close to the substrate by fitting its experimental intensity pattern.

© 2010 Optical Society of America

OCIS Codes
(070.5010) Fourier optics and signal processing : Pattern recognition
(080.2720) Geometric optics : Mathematical methods (general)
(100.2650) Image processing : Fringe analysis
(100.3010) Image processing : Image reconstruction techniques
(100.6890) Image processing : Three-dimensional image processing
(180.3170) Microscopy : Interference microscopy

ToC Category:
Image Processing

History
Original Manuscript: February 4, 2010
Revised Manuscript: May 7, 2010
Manuscript Accepted: May 14, 2010
Published: June 23, 2010

Citation
Jose C. Contreras-Naranjo, James A. Silas, and Victor M. Ugaz, "Reflection interference contrast microscopy of arbitrary convex surfaces," Appl. Opt. 49, 3701-3712 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-19-3701

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