Abstract
The speckle produced when a laser beam is scattered from a rough surface can be used in undergraduate experiments to demonstrate various properties of light and also to test for faulty eyesight.
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A E Ennos1
Published under licence by IOP Publishing Ltd
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Citation A E Ennos 1996 Phys. Educ. 31 138
DOI 10.1088/0031-9120/31/3/012