Noise and aliases in off-axis and phase-shifting holography

Details Noise and aliases in off-axis and phase-shifting holography Noise and aliases in off-axis and phase-shifting holography

2008-04-14

arxiv.org/abs/0804.2133v1

Applied Optics 47, 11 (2008) 1757

Physics

Optics

Scientific paper

10.1364/AO.47.001757

We have compared the respective efficiencies of off-axis and phase-shifting
holography in terms of noise and aliases removal. The comparison is made by
analyzing holograms of an USAF target backlit with laser illumination, recorded
with a charge-coupled device camera. We show that it is essential to remove the
LO beam noise, especially at low illumination levels.

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