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A large area polymer-based substrate with broadband absorption for surface enhanced Raman scattering

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Abstract

We fabricate a large area (3 × 3 cm2) polydimethylsiloxane-based substrate for surface-enhanced Raman scattering by combining femtosecond laser microstructuring and soft lithography techniques. The substrate exhibits broadband absorption in the region of 350–1000 nm and reproducible enhancement factor ~107.

© 2013 Optical Society of America

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