The threat of exposure to toxic chemicals is of great concern. In order to provide a chemical situational awareness, we are developing a new type of chemical sensor based on a novel fabric spectrometer-based colorimetric chemical sensor that is low size, weight, and power (SWaP). We are exploring the key design principles for photonic transducers to enable a new approach to chemical threat sensing. The fabric spectrometer is based on a functional fiber platform in which the semiconductor-containing fiber is miniature in two dimensions and extendable in the third dimension (along the fiber length). By exploring fibers, and films that can be scaled to a fiber geometry, we will enable a new fiber-based chemical threat detector that can serve in textiles as well as other interesting form factors.
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