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.
© 2002 Optical Society of America
(090.1970) Holography : Diffractive optics
(090.2890) Holography : Holographic optical elements
(090.7330) Holography : Volume gratings
(100.6890) Image processing : Three-dimensional image processing
(110.0110) Imaging systems : Imaging systems
Wenhai Liu*, Demetri Psaltis, and George Barbastathis, "Real-time spectral imaging in three spatial dimensions," Opt. Lett. 27, 854-856 (2002)