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Proceedings Paper

Fringe contrast evaluation by means of histograms
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Paper Abstract

The quality of interferograms is of the most concern in interferometric experiments. Present approaches to evaluate the contrast of interferograms are neither efficient to be carried out nor insensitive to noise. In this paper, we study the mean dynamic range and imbalance of grey levels on the basis of histograms. Analytical and calculation results show that these parameters are closely related to the contrast of interferograms. They are insensitive to noise disturbance and easy to be implemented with efficient computer algorithms and, therefore, can be used to estimate the quality of interferograms in real-time.

Paper Details

Date Published: 19 August 1998
PDF: 4 pages
Proc. SPIE 3573, OPTIKA '98: 5th Congress on Modern Optics, (19 August 1998); doi: 10.1117/12.324547
Show Author Affiliations
Songcan Lai, Univ. of Muenster (Germany)
Gert von Bally, Univ. of Muenster (Germany)


Published in SPIE Proceedings Vol. 3573:
OPTIKA '98: 5th Congress on Modern Optics
Gyorgy Akos; Gabor Lupkovics; Andras Podmaniczky, Editor(s)

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