DIGITAL HOLOGRAPHIC INTERFEROMETRY

Hologram reconstruction using a digital micromirror device

[+] Author Affiliations
Thomas Kreis

BIAS-Bremer Institut fu¨r angewandte Strahltechnik, Klagenfurter Str. 2, D?28359?Bremen, Germany E-mail: thkreis@oskar.bias.uni-bremen.de

Petra Aswendt, Roland Ho¨fling

IWU-Fraunhofer Institut fu¨r Werkzeugmaschinen und Umformtechnik, Reichenhainer Str. 88, D?09126?Chemnitz, Germany

Opt. Eng. 40(6), 926-933 (Jun 01, 2001). doi:10.1117/1.1367346
History: Received June 22, 2000; Revised Dec. 29, 2000; Accepted Jan. 10, 2001
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The aim of this work is an advancement of digital holographic interferometry by using a digital micromirror device (DMD) for real-time display of interferometric fringes. The theory describing the formation of the diffracted image produced by a coherently illuminated DMD is presented. Digital holograms of simple structures are calculated assuming plane and spherical reference waves, respectively. These synthetic holograms are used to control the micromirrors of the DMD, which now acts as a reflective hologram. Experimental holographic reconstructions of synthetic holograms prove the feasibility of DMDs in principle for this aim. Further experimental results show the reconstructed interferogram of fields recorded by digital holography and superposed numerically. This opens a new range of applications in digital holographic interferometry. © 2001 Society of Photo-Optical Instrumentation Engineers.

© 2001 Society of Photo-Optical Instrumentation Engineers

Citation

Thomas Kreis ; Petra Aswendt and Roland Ho¨fling
"Hologram reconstruction using a digital micromirror device", Opt. Eng. 40(6), 926-933 (Jun 01, 2001). ; http://dx.doi.org/10.1117/1.1367346


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