Collimated light from a krypton ion laser at 568.19 nm impinges normally on a circular aperture. When

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Collimated light from a krypton ion laser at 568.19 nm impinges normally on a circular aperture. When viewed axially from a distance of 1.00 m, the hole uncovers the first half-period Fresnel zone. Determine its diameter.

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Optics

ISBN: 978-0133977226

5th edition

Authors: Eugene Hecht

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