Infrared digital holography

Enrico Allaria; Stefano Brugioni; Sergio De Nicola; Pietro Ferraro; Simonetta Grilli; Riccardo Meucci

doi:10.1117/12.498515

8 July 2003 Infrared digital holography

Enrico Allaria, Stefano Brugioni, Sergio De Nicola, Pietro Ferraro, Simonetta Grilli, Riccardo Meucci

Proceedings Volume 5036, Photonics, Devices, and Systems II; (2003) https://doi.org/10.1117/12.498515
Event: Photonics, Devices, and Systems II, 2002, Prague, Czech Republic

Abstract

We describe a long-wavelength Mach-Zehnder interferometer for digital off-axis Fresnel holography with a pyro-electric detector array used to record digital holograms of an extended object at 10.6 μm. We show that, although the spatial resolution of the pyro-electric detector array is much less than that of typical CCD cameras working in the visible region, good reconstruction of the amplitude and phase of the object wavefield can be obtained. The principle of Fresnel reconstruction in digital holography is described and results of reconstruction process for object size of the order of 700 μm are presented and discussed.

Citation Download Citation

Enrico Allaria, Stefano Brugioni, Sergio De Nicola, Pietro Ferraro, Simonetta Grilli, and Riccardo Meucci "Infrared digital holography", Proc. SPIE 5036, Photonics, Devices, and Systems II, (8 July 2003); https://doi.org/10.1117/12.498515

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