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Image Enhancement in a Reflection Optical Microscope by Suppression of Diffusing Photons Using Polarizing Annular Objectives

Published online by Cambridge University Press:  28 July 2005

S.P. Schilders ,
X.S. Gan  and
Min Gu
S.P. Schilders
Affiliation:
Optoelectronic Imaging Group, School of Communications and Informatics, Victoria University of Technology, P.O. Box 14428 MCMC, Melbourne, Victoria 8001, Australia
X.S. Gan
Affiliation:
Optoelectronic Imaging Group, School of Communications and Informatics, Victoria University of Technology, P.O. Box 14428 MCMC, Melbourne, Victoria 8001, Australia
Min Gu
Affiliation:
Optoelectronic Imaging Group, School of Communications and Informatics, Victoria University of Technology, P.O. Box 14428 MCMC, Melbourne, Victoria 8001, Australia
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Abstract

In this report, we describe the implementation of an angle-gating mechanism into a reflection optical microscope for imaging through a turbid medium. A significant improvement in image resolution and contrast is obtained when a polarizing annular objective is used to image a reflective test bar through various turbid media. The experimental results confirm that the improvement is caused by the efficient suppression of diffused photons scattered from the turbid medium when a polarized annular objective is employed as an angular gate.

Keywords

angle-gatingannular objectivesturbid mediamicroscopic imaging
Type
Research Article
Information
Microscopy and Microanalysis , Volume 4 , Issue 4 , August 1998 , pp. 415 - 419
Copyright
© 2005 Microscopy Society of America

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