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High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis - a 2 minute Preview of the Experimental Protocol

Kim V. Berghaus, Seok H. Yun, Giuliano Scarcelli
University of Maryland, Fischell Department of Bioengineering; Harvard Medical School, Massachusetts General Hospital, Wellman Center for Photomedicine; Massachusetts Institute of Technology, The Harvard-MIT Division of Health Sciences and Technology;

Here we present a protocol to build a rapid Brillouin spectrometer. Cascading virtually imaged phase array (VIPA) etalons achieve a measurement speed more than 1,000 times faster than traditional scanning Fabry-Perot spectrometers. This improvement provides the means for Brillouin analysis of tissue and biomaterials at low power levels in vivo.

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