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Practical Holography, 4th Edition by Stanislovas Zacharovas, Graham Saxby

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Chapter 11

Transfer Reflection Image Holograms

‘Would you tell me, please, which way I ought to go from here?’ [said Alice.]

‘That depends a good deal on where you want to get to,’ said the Cat.

Lewis Carroll

Alice in Wonderland

As explained in Chapter 4, if you make a hologram and illuminate it with the conjugate beam, that is, the original reference beam reversed, the diffracted beam will form a real image occupying the precise position of the original object. This is true of both transmission and reflection holograms. When you view this aerial image, you see it, in effect, from behind, so that it is pseudoscopic (i.e., has reversed perspective). In other respects, it is the same as the image of an object formed by a convex lens situated at ...

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