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Updated: Aug 16, 2026

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers
Published on: May 5, 2016
Multiple-fluorophore-specie detection with a tapered Fabry-Perot fluorescence spectrometer
Jeremy A Wahl1, Jay S Van Delden, Sandip Tiwari
1Department of Applied Physics, Cornell University, 115 Phillips Hall, Ithaca, New York 14853, USA. jaw45@cornell.edu
Abstract:
A novel fluorescence spectrometer and method for the simultaneous detection of multiple-fluorophore species in a no-moving-parts, instantaneous manner is described. In the reported embodiment of the instrument, a tapered Fabry-Perot filter is used to spatially encode the fluorescence spectrum from a multiple-dye-containing test sample. Using a pseudoinverse reconstruction algorithm, we spectrally decode the particle concentration for each dye specie in the test sample. Experimental results are reported along with a theoretical treatment of the method.
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