Compact low-cost waveguide-based optical spectrometer for detection of chemical/biological agents

Brent Bergner; Pradeep Kumar; David Cook; Ivan Avrutsky

doi:10.1117/12.919622

17 May 2012 Compact low-cost waveguide-based optical spectrometer for detection of chemical/biological agents

Brent Bergner, Pradeep Kumar, David Cook, Ivan Avrutsky

Proceedings Volume 8374, Next-Generation Spectroscopic Technologies V; 83740Z (2012) https://doi.org/10.1117/12.919622
Event: SPIE Defense, Security, and Sensing, 2012, Baltimore, Maryland, United States

Abstract

Conventional optical spectrometers that are based on bulk optical components tend to be relatively large and expensive compared to the other components used in systems designed for detecting chemical/biological agents. Microspectrometers based on focusing waveguide gratings incorporate both spectral dispersion and focusing functions into a single component that can be fabricated hundreds at a time at the wafer level using nano-imprint lithography techniques. These types of spectrometers are ideal for integration into micro-fluidic systems because the signals can be directly coupled into the planar waveguide. We present preliminary data from a prototype system and explore potential applications for these devices.

Citation Download Citation

Brent Bergner, Pradeep Kumar, David Cook, and Ivan Avrutsky "Compact low-cost waveguide-based optical spectrometer for detection of chemical/biological agents", Proc. SPIE 8374, Next-Generation Spectroscopic Technologies V, 83740Z (17 May 2012); https://doi.org/10.1117/12.919622

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