29 May 2013 Tapered air-core Bragg waveguide spectrometers for lab-on-a-chip applications
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Abstract
Lab-on-a-chip and optofluidic micro-systems often rely on bulky off-chip optical components such as lenses and spectrometers for detection. There is a growing demand for compact microspectrometers that can be integrated on-chip, to increase portability and potentially reduce the cost and complexity of these systems. We have previously reported chip-scale microspectrometers based on tapered air-core Bragg waveguides with omnidirectional Bragg claddings. Here, we describe the integration of these air-core waveguide spectrometers with microfluidics, including results for a prototype sensing system based on spectrally-resolved fluorescence detection.
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Brian A. Drobot, Aaron D. Melnyk, Trevor W. Allen, Ray G. DeCorby, "Tapered air-core Bragg waveguide spectrometers for lab-on-a-chip applications", Proc. SPIE 8726, Next-Generation Spectroscopic Technologies VI, 87260V (29 May 2013); doi: 10.1117/12.2015378; https://doi.org/10.1117/12.2015378
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