Holography

Digital holographic recording and reconstruction of large scale objects for metrology and display

[+] Author Affiliations
Jan Mundt

Bremer Institut für angewandte Strahltechnik - BIAS, Klagenfurter Strasse 2, 28359 Bremen, Germany

Thomas Kreis

Bremer Institut für angewandte Strahltechnik - BIAS, Klagenfurter Strasse 2, 28359 Bremen, Germany

Opt. Eng. 49(12), 125801 (December 17, 2010). doi:10.1117/1.3524238
History: Received August 05, 2010; Revised October 26, 2010; Accepted October 26, 2010; Published December 17, 2010; Online December 17, 2010
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Digital holography captures holograms by charge-coupled device or complementary metal-oxide semiconductor cameras, which have a spatial resolution still not reaching that of silver-halide holofilms. Thus, due to the sampling theorem, the angle between the reference and object wave is limited. Only fields coming from small objects, objects far away, or optically reduced fields can be recorded. Here we investigate optical reduction by a system of lenses, and show that a system of two concave lenses results in a drastic reduction of the object-target distance, while the effect of using more lenses is insignificant. Experimental results obtained with Fresnel and lensless Fourier-transform geometry are presented, and implications on holographic interferometric metrology as well as on holographic 3-D television are given.

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© 2010 Society of Photo-Optical Instrumentation Engineers

Citation

Jan Mundt and Thomas Kreis
"Digital holographic recording and reconstruction of large scale objects for metrology and display", Opt. Eng. 49(12), 125801 (December 17, 2010). ; http://dx.doi.org/10.1117/1.3524238


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