7 Recording and Reconstruction in Practice
7.1 Introduction
We now need to examine the characteristics of holographic recording materials and holograms to exploit them to best advantage. This entails looking more closely at some of the simplifying assumptions we have made up to now. Firstly, in Chapter 3 we assumed that the amplitude transmittance of a recorded amplitude hologram is linearly proportional to the recording light intensity. Secondly, in the case of phase holograms, we assumed, also in Chapter 3, that the phase imposed on the reconstructing light by the hologram is proportional to the original recording intensity. We also assumed that the recording medium has no grain structure and therefore does ...
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