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26 May 2011 Infrared digital holography for large objects investigation
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In this work we show several acquisition setups and techniques which make it possible to obtain holographic recording and reconstruction of large objects by means of Infrared Digital Holography (IDH). In previous works it was demonstrated that, using the long wavelength coherent radiation produced by a CO2 laser instead of visible radiation, it is possible to obtain advantages in terms of larger field of view and lower seismic noise sensitivity. The only drawback using this wavelength is represented by the low resolution of current recording devices in this spectral region. The reported methods may have industrial applications where investigation of large dimension samples is needed.
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A. Geltrude, M. Locatelli, P. Poggi, A. Pelagotti, M. Paturzo, P. Ferraro, and R. Meucci "Infrared digital holography for large objects investigation", Proc. SPIE 8082, Optical Measurement Systems for Industrial Inspection VII, 80820C (26 May 2011);

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