Holography : Recording/Reconstruction
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Holography : Recording/Reconstruction
Course
Digital Holography
Digital Recording
Figure 11 : Concept diagram of a surface-pixel sensor
Constraints on digital recording
Figure 12 : Local fringes
Case Study
Digital holography device
Figure 20 : Recording an off-axis digital hologram
Figure 21 : Tilt of the reference wave
The digitally reconstructed hologram
Figure 22 : Digitally recorded hologram
Figure 23 : The diffracted field when dR = -660 mm
Figure 24 : The diffracted field when dR = +660 mm
Figure 25 : Image focus depending on imposed distance (Animation)
Pascal Picart
The effect of zero-padding
Figure 26 : Effect of zero-padding
Reconstruction by convolution
Figure 27 : The hologram's spectrum
Figure 28 : Spectrum of the transfer function of the free space
Figure 29 : Hologram reconstructed by convolution
Figure 30 : Hologram reconstructed by convolution
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