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.
© 2006 Optical Society of America
Original Manuscript: August 10, 2005
Manuscript Accepted: October 31, 2005
Michael E. Gehm, Scott T. McCain, Nikos P. Pitsianis, David J. Brady, Prasant Potuluri, and Michael E. Sullivan, "Static two-dimensional aperture coding for multimodal, multiplex spectroscopy," Appl. Opt. 45, 2965-2974 (2006)