Volume holographic spectral imaging

Zhenyu Li; Demetri Psaltis; Wenhai Liu; William R. Johnson; Gregory Bearman

doi:10.1117/12.611350

23 March 2005 Volume holographic spectral imaging

Zhenyu Li, Demetri Psaltis, Wenhai Liu, William R. Johnson, Gregory Bearman

Proceedings Volume 5694, Spectral Imaging: Instrumentation, Applications, and Analysis III; (2005) https://doi.org/10.1117/12.611350
Event: SPIE BiOS, 2005, San Jose, CA, United States

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.

Citation Download Citation

Zhenyu Li, Demetri Psaltis, Wenhai Liu, William R. Johnson, and Gregory Bearman "Volume holographic spectral imaging", Proc. SPIE 5694, Spectral Imaging: Instrumentation, Applications, and Analysis III, (23 March 2005); https://doi.org/10.1117/12.611350

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