Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/12388
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Type: Journal article
Title: Two-grating diffraction and Lau effect under laser illumination
Author: Avudainayagam, K. V.
Chitra Nayagam, S.
Citation: Applied Optics, 1997; 36(10):2029-2033
Publisher: Wiley
Issue Date: 1997
ISSN: 0003-6935
Statement of
Responsibility: 
K. V. Avudainayagam and S. Chitra Nayagam
Abstract: We first describe an unconventional Lau experiment that is performed with a collimated He–Ne laser beam. We then describe an elegant experimental arrangement in which a collimated He–Ne laser beam is gradually rendered spatially incoherent; this demonstrates the evolution of the Lau fringes from the Fraunhofer diffraction pattern of the two gratings in the Lau setup.
Keywords: Spatial coherence; diffraction; Lau fringes
Rights: © 1997 Optical Society of America
DOI: 10.1364/AO.36.002029
Appears in Collections:Physics publications

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