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Proceedings Paper

Volume holographic spectral imaging
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Paper Abstract

We report on a volume holographic imaging spectrometer (VHIS) system which allows retrieval of a scene's two-dimensional spatial information as well as its spectral information. This is performed using a transmission volume hologram and a simple rotary scanning mechanism. The system has the advantages of high spectral and spatial resolutions and the potential of single-shot, four-dimensional (3D spatial plus 1D spectral) imaging by recording multiple volume holograms in the same material. Also, due to the transmission diffraction geometry, the system automatically eliminates the stray excitation light from the captured signal. We give theoretical analysis of the performance and experimental demonstration using fluorescent CdSe/ZeS quantum dots. The measured quantum dots spectra agree well with the spectra obtained using a conventional spectrometer.

Paper Details

Date Published: 23 March 2005
PDF: 8 pages
Proc. SPIE 5694, Spectral Imaging: Instrumentation, Applications, and Analysis III, (23 March 2005); doi: 10.1117/12.611350
Show Author Affiliations
Zhenyu Li, California Institute of Technology (United States)
Demetri Psaltis, California Institute of Technology (United States)
Wenhai Liu, Ondax Inc. (United States)
William R. Johnson, Jet Propulsion Lab. (United States)
Gregory Bearman, Jet Propulsion Lab. (United States)

Published in SPIE Proceedings Vol. 5694:
Spectral Imaging: Instrumentation, Applications, and Analysis III
Gregory H. Bearman; Anita Mahadevan-Jansen; Richard M. Levenson M.D., Editor(s)

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