Theoretical approach to surface plasmon scattering microscopy for single nanoparticle detection in near infrared region

Taehwang Son; Donghyun Kim

doi:10.1117/12.2078243

11 March 2015 Theoretical approach to surface plasmon scattering microscopy for single nanoparticle detection in near infrared region

Taehwang Son, Donghyun Kim

Author Affiliations +

Proceedings Volume 9340, Plasmonics in Biology and Medicine XII; 93400W (2015) https://doi.org/10.1117/12.2078243
Event: SPIE BiOS, 2015, San Francisco, California, United States

Abstract

We present a theoretical approach to single nanoparticle detection using surface plasmon scattering microscopy. Through rigorous coupled wave analysis assuming light incidence on a gold coated BK7 glass substrate under total internal reflection condition for a 200-nm polystyrene as targets attached to the gold film, it was found that surface plasmon polariton induced by incident light on the gold thin film is perturbed. As a result, parabolic waves were observed in the reflection plane. By varying angles of incidence and wavelengths, optimum incident conditions for surface plasmon scattering microscopy were obtained.

Citation Download Citation

Taehwang Son and Donghyun Kim "Theoretical approach to surface plasmon scattering microscopy for single nanoparticle detection in near infrared region", Proc. SPIE 9340, Plasmonics in Biology and Medicine XII, 93400W (11 March 2015); https://doi.org/10.1117/12.2078243

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