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Published June 20, 2004 | Published
Journal Article Open

Volume Holographic Hyperspectral Imaging


A volume hologram has two degenerate Bragg-phase-matching dimensions and provides the capability of volume holographic imaging. We demonstrate two volume holographic imaging architectures and investigate their imaging resolution, aberration, and sensitivity. The first architecture uses the hologram directly as an objective imaging element where strong aberration is observed and confirmed by simulation. The second architecture uses an imaging lens and a transmission geometry hologram to achieve linear two-dimensional optical sectioning and imaging of a four-dimensional (spatial plus spectral dimensions) object hyperspace. Multiplexed holograms can achieve simultaneously three-dimensional imaging of an object without a scanning mechanism.

Additional Information

© 2004 Optical Society of America Received 4 November 2003; revised manuscript received 17 February 2004; accepted 12 March 2004. W. Liu and D. Psaltis thank the National Science Foundation (NSF) Engineering Research Center of Neuromorphic Systems and the Defense Advanced Research Projects Agency (DARPA) for financial support for these efforts at Caltech. G. Barbastathis thanks NSF and the AFRL Munitions Directorate, Eglin AFB, for funding in part at the Massachusetts Institute of Technology.

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