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The concept of degree of coherence and its application to optical problems

✍ Scribed by F. Zernike

Publisher
Elsevier Science
Year
1938
Weight
447 KB
Volume
5
Category
Article
ISSN
0031-8914

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✦ Synopsis

The maximum visibility of the interferences obtainable from two points in a wave field is defined as their degree o/ coherence y. By a simple statistical method general formulae are found for deducing y from illumination 'data. For any extended lightsource y is found equal to the amplitude in a certain diffraction image. It does not change by the use of a condensing lens, but depends only on the aperture of the illuminating cone. These properties are applied to the microscopic observation of objects in transmitted light.

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