Haidinger fringe

Haidinger fringe

Haidinger fringes are interference fringes formed by the interference of monochromatic and coherent light to form visible dark and bright fringes. Fringe localization is the region of space where fringes with reasonably good contrast are observed.

Haidinger fringes are fringes localized at infinity. Also known as fringes of equal inclination, these fringes result when light from an extended source falls on a thin film made of an optically denser medium. They are also observed in Fabry-Pérot and Michelson interferometers. They can be observed by introducing a converging lens between the film and observation plane with focus of the lens lying in observation plane.

ee also

*Wilhelm Karl Ritter von Haidinger
*Haidinger's brush

References

* cite book
last = Ghatak | first = Ajoy
year = 2005
title = Optics
edition = 3rd ed.
pages = pp13.12–13.13
publisher = Tata McGraw Hill | location = New Delhi

External links

* [http://www.optics.arizona.edu/Milster/505%20Lecture/Lecture%20Notes%20and%20Slides/Chapter%205%20-%20Coherence/ch5_G_Fringe_localization.pdf General discussion on fringe localization]


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