Scientific Results

Reliability of 3D imaging by digital holography at long IR wavelength

Year: 2010

Authors: Pelagotti A., Locatelli M., Geltrude A., Poggi P., Meucci R., Paturzo M., Miccio L., Ferraro P.

Autors Affiliation: CNR – National Institute of Optics Florence, 50125 Florence, Italy; CNR National Institute of Optics,80078 Pozzuoli, NA, Italy

Abstract: Digital Holography (DH) in the infrared (IR) range presents some peculiar aspects compared with the more common DH in the visible range. The current major drawback is due to the size of the pixel pitch of presently available thermal cameras, which is rather large compared to what would be optimal, and what is possible with analog films. However, since the CO2 laser wavelength is 15 times longer than average visible wavelength, a much higher stability, a wider view angle, and shorter acquisition distances are achievable, allowing easier acquisition of large object holograms.


Volume: 6 (10)      Pages from: 465  to: 471

More Information: This work was supported by the European Community\’s Seventh Framework Programme FP7/2007-2013 under Grant Agreement 216105 (\”Real 3D\” Project).
KeyWords: CO2 laser; digital holography; infrared radiation; thermal camera; infrared imaging
DOI: 10.1109/JDT.2010.2041186

Citations: 8
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