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Appl Opt. 2006 May 1;45(13):2965-74.

Static two-dimensional aperture coding for multimodal, multiplex spectroscopy.

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Duke University Fitzpatrick Center for Photonics, Durham, North Carolina 27708, USA.


We propose a new class of aperture-coded spectrometer that is optimized for the spectral characterization of diffuse sources. The instrument achieves high throughput and high spectral resolution by replacing the slit of conventional dispersive spectrometers with a more complicated spatial filter. We develop a general mathematical framework for deriving the required aperture codes and discuss several appealing code families. Experimental results validate the performance of the instrument.

[Indexed for MEDLINE]

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