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Mechanically Tunable Thin Film High Refractive Index Contrast TiO2–Gratings in Elastomeric Matrix

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A mechanically tunable grating is demonstrated by introducing titanium dioxide (TiO2) nanoscale dot gratings into soft, elastomeric polydimethylsiloxane (PDMS). In situ diffraction angle measurements of strain-induced grating response are backed by finite element modelling.

© 2015 Optical Society of America

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