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Proceedings Article

Infrared digital holography for large objects investigation

[+] Author Affiliations
A. Geltrude, P. Poggi, A. Pelagotti, M. Paturzo, P. Ferraro, R. Meucci

Istituto Nazionale di Ottica, CNR (Italy)

M. Locatelli

Istituto Nazionale di Ottica, CNR (Italy) and Univ. di Firenze (Italy)

Proc. SPIE 8082, Optical Measurement Systems for Industrial Inspection VII, 80820C (May 26, 2011); doi:10.1117/12.889588
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From Conference Volume 8082

  • Optical Measurement Systems for Industrial Inspection VII
  • Peter H. Lehmann; Wolfgang Osten; Kay Gastinger
  • Munich, Germany | May 23, 2011

abstract

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.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

A. Geltrude ; M. Locatelli ; P. Poggi ; A. Pelagotti ; M. Paturzo, et al.
"Infrared digital holography for large objects investigation", Proc. SPIE 8082, Optical Measurement Systems for Industrial Inspection VII, 80820C (May 26, 2011); doi:10.1117/12.889588; http://dx.doi.org/10.1117/12.889588


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