Wave front synthesis for comparative measurement in digital holography and TV holography

János Kornis; András Szabó; István Zobory

doi:10.1117/12.695295

15 September 2006 Wave front synthesis for comparative measurement in digital holography and TV holography

János Kornis, András Szabó, István Zobory

Proceedings Volume 6341, Speckle06: Speckles, From Grains to Flowers; 63410O (2006) https://doi.org/10.1117/12.695295
Event: Speckle06: Speckles, From Grains to Flowers, 2006, Nimes, France

Abstract

The analog reconstruction of a wave front and its application in comparative measurement is well known from comparative holography. Thanks to the rapid development of high quality spatial light modulators (SLM), different methods applying the analog reconstruction of digital holograms has been developed in digital holography too. In these methods the recorded wave fronts of an object are generated by the spatial modulator. The SLM is also capable to generate computer calculated wave fronts (not belonging to an existing object), and multiple such projections can be performed during the measurement time. Using this feature an effective adaptive measuring system can be built. The application of such wave front projections is also possible in TV holography. The wave front projection can be virtually too, when the wave front exists only in the computer memory. Methods both for digital holography and TV holography are developed too.

Citation Download Citation

János Kornis, András Szabó, and István Zobory "Wave front synthesis for comparative measurement in digital holography and TV holography", Proc. SPIE 6341, Speckle06: Speckles, From Grains to Flowers, 63410O (15 September 2006); https://doi.org/10.1117/12.695295

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