Direct image of surface plasmon-coupled emission by leaky radiation microscopy

preprint2009arXivOpen access

Abstract

Leaky radiation microscopy (LRM) is used to directly image the surface plasmon-coupled emission (SPCE). When compared with the prism based set-up commonly used in SPCE research, LRM has the advantages of directly giving out the emitting angle without scanning and the image of generated surface plasmons polaritons (SPPs) propagation, which help to understand the optical process of SPCE. LRM also can give out clearer SPCE image than that by prism-based set-up. Based on the LRM, we find that the SPCE pattern and propagation of SPPs can be modified by the shape of samples fabricated on the thin metallic films.

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