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Conferences > CLEO_SI > 2013 > CM1M > CM1M.2

Single nano-particle sensing exploiting crossed polarizers to improve the signal-to-noise ratio

Jon O. Grepstad, Peter Kaspar, Olav Solgaard, Ib-Rune Johansen, and Aasmund Sudbø

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Abstract

Crossed polarized excitation and detection has been used to improve signal-to-noise ratio in an optical nano-particle sensor exploiting guided-resonance-modes in photonic crystal membranes. The sensor can detect particles with a diameter less than 40 nm.

© 2013 Optical Society of America

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