Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 29 - Think and Explain: 60

Answer

A coherent light source is required to make holograms. This is exactly the type of light that a laser provides.

Work Step by Step

This is explained on page 559. Lasers have the additional advantage of being bright, which means that the exposure time can be short.
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