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|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|
|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|
|Appears in Collections:||Physics publications|
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