Rami Arieli: "The Laser Adventure" Chapter 9.4.6 page1
9.4.6 Holograms on credit cards and other valuable products to avoid forgery.
Holography is described in chapter 10.
Here we shall just mention one of the expanding application of laser in everyday life.
Since we now know how to mass-produce holograms that can be seen without using a laser, people are using these holograms in many applications.
The production of the master hologram requires sophisticated equipment and special knowledge. This makes them ideal in preventing forgery.
The laser is used only in the first production stage of the master hologram, as explained in chapter 10.
Examples for this use of holograms are on:
Applications in the future will proobably include all kinds of identification cards.