Tapered air-core Bragg waveguide spectrometers for lab-on-a-chip applications

Brian A. Drobot; Aaron D. Melnyk; Trevor W. Allen; Ray G. DeCorby

doi:10.1117/12.2015378

29 May 2013 Tapered air-core Bragg waveguide spectrometers for lab-on-a-chip applications

Brian A. Drobot, Aaron D. Melnyk, Trevor W. Allen, Ray G. DeCorby

Proceedings Volume 8726, Next-Generation Spectroscopic Technologies VI; 87260V (2013) https://doi.org/10.1117/12.2015378
Event: SPIE Defense, Security, and Sensing, 2013, Baltimore, Maryland, United States

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.

Citation Download Citation

Brian A. Drobot, Aaron D. Melnyk, Trevor W. Allen, and 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); https://doi.org/10.1117/12.2015378

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