Energy dispersion device

Alexander Scheeline (Inventor), Bui Anh Thu (Inventor)

Research output: Patent

Abstract

The invention provides an energy dispersion device, spectrograph and method that can be used to evaluate the composition of matter on site without the need for specialized training or expensive equipment. The energy dispersion device or spectrograph can be used with a digital camera or cell phone. A device of the invention includes a stack of single- or double-dispersion diffraction gratings that are rotated about their normal giving rise to a multiplicity of diffraction orders from which meaningful measurements and determinations can be made with respect to the qualitative or quantitative characteristics of matter.
Original languageEnglish (US)
U.S. patent number8885161
Filing date8/28/12
StatePublished - Nov 14 2014

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