Optical guided mode resonance filter on a flexible substrate

In Optical guided mode resonance filter on a flexible substrate, published in Optics Express, we present the design, fabrication and characterization of a new filtering platform, based on the principle of Guided Mode Resonance. The filters consist of plasmonic nanofeatures realised on flexible polymer substrates, and work down to the visible range.

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In this paper we also exhibit an example proof-of-concept application by mounting the sample directly onto the end of a collimated fibre output, as shown in the figure.  This progresses research on lab-on-fibre technologies, introducing an alternative to directly fabricating structures on the end of a fibre, and rather produce fibre terminating caps which can be easily replaced by the end-user on a single fibre, enabling that fibre to do a series of measurements or experiments sequentially.

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