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Proceedings Paper

New avenues for confocal surface plasmon microscopy
Author(s): Michael G. Somekh; Suejit Pechprasarn; Wai-Kin Chow; Jingkai Meng; Hong Shen
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Paper Abstract

The principal strength of the confocal microscope for biological imaging lies its ability to detect only light that emerges at close to the focal plane, eliminating light originating from different focal planes. We discuss how this confocal property has considerable advantage in the detection of surface plasmons, since it defines the path of the detected radiation, thus greatly improving the lateral resolution and also the measurement precision. In this paper we show how a spatial light modulator in the back focal plane allows one to generate a whole range of new imaging properties that confer great flexibility on the system. The technique allows one to measure surface wave velocity, surface wave attenuation and perform rapid single shot measurement and effect common path operation.

Paper Details

Date Published: 22 April 2016
PDF: 8 pages
Proc. SPIE 9724, Plasmonics in Biology and Medicine XIII, 972409 (22 April 2016); doi: 10.1117/12.2223223
Show Author Affiliations
Michael G. Somekh, The Hong Kong Polytechnic Univ. (Hong Kong, China)
Suejit Pechprasarn, The Hong Kong Polytechnic Univ. (Hong Kong, China)
Wai-Kin Chow, The Hong Kong Polytechnic Univ. (Hong Kong, China)
Jingkai Meng, The Hong Kong Polytechnic Univ. (Hong Kong, China)
Hong Shen, The Hong Kong Polytechnic Univ. (Hong Kong, China)


Published in SPIE Proceedings Vol. 9724:
Plasmonics in Biology and Medicine XIII
Tuan Vo-Dinh; Joseph R. Lakowicz, Editor(s)

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