LIST OF FIGURES


FIGURE Page

3.1 Brown and Lohmann CGH cell. 33

3.2 Complex plane showing four quadrature components. 36

3.3 Addressable amplitude and phase locations
 using the GBCGH method. 38

3.4 Spectral content of an image hologram. 42

3.5 Spectral content of a Vander Lugt filter. 44

3.6 Spectral content of a Fourier Transform hologram. 50

3.7 Two dimensional spectrum of the Fourier Transform
 hologram. 51

3.8 Two dimensional spectrum of the Vander Lugt filter. 53

3.9 Spectrum of a modified Vander Lugt filter. 55

3.10 Spectrum of the zero mean Vander Lugt filter. 58

3.11 Output of a 50% aliased Vander Lugt filter with
 absorption hologram. 60

4.1 High-frequency emphasis of a square and a disk. 67

4.2 Phase-only filtering of a square and a disk. 74

5.1 Training set for the creation of a SDF. 91

5.2 SDF created from the images in Figure 5.1. 92

6.1 Typical H & D curve. 96

6.2 Computer output of the polynomial fit routine. 111

6.3 H & D plot for Agfa 10E75 photographic plates. 113

6.4 Amplitude transmission vs. exposure for Agfa
 10E75 plates. 114