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Published May 15, 2002 | Published
Journal Article Open

Real-time spectral imaging in three spatial dimensions


We report what is to our knowledge the first volume-holographic optical imaging instrument with the capability to return three-dimensional spatial as well as spectral information about semitranslucent microscopic objects in a single measurement. The four-dimensional volume-holographic microscope is characterized theoretically and experimentally by use of fluorescent microspheres as objects.

Additional Information

© 2002 Optical Society of America. Received December 17, 2001. We are grateful to Arnab Sinha and Michal Balberg for valuable discussions and to the following sponsors: the National Science Foundation, the Defense Advanced Research Projects Agency, and the U.S. Air Force Research Laboratories.

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August 21, 2023
October 17, 2023