Abstract
We report optical pressure sensitive film using gap plasmon resonance absorption. A pressure sensitive film using gap plasmon resonance is expected to have high sensitivity to pressure. In this study, gold evaporation was carried out on polydimethylsiloxane which is a plastic material to prepare an island structure with gap between islands, and change of transmittance spectra by pressure application was investigated. Although absorbance was measured by applying a minute pressure of 0 to 200 Pa, no transition of the absorption peak wavelength was observed within the range. However, with the high pressure up to 3.3 kPa, transparency of the film was observed.
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