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Proceedings Paper

A nonlinear optical theory of gold nanorods
Author(s): Jui-Teng Lin; Yu-Ling Hong; Chun-Lin Chang
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Paper Abstract

A nonlinear theory for the optical properties of gold nanorods is presented. The refractive index sensitivity of the associated surface plasmon resonance is calculated to be 100-1000 nm/RIU for the aspect ratio range of 1-10. According to Gan's theory, the figure of merit, defined by the refractive index sensitivity divided by the FWHM value of the extinction coefficient, is calculated to be 1.0-12.0, which has a maximum value at the optimum aspect ratio of 3.5-4.5 depending on refractive index the surrounding medium.

Paper Details

Date Published: 13 February 2010
PDF: 5 pages
Proc. SPIE 7574, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications VII, 75740A (13 February 2010); doi: 10.1117/12.841312
Show Author Affiliations
Jui-Teng Lin, Institute of Photonics and Optoelectronics, National Taiwan Univ. (Taiwan)
Yu-Ling Hong, Institute of Photonics and Optoelectronics, National Taiwan Univ. (Taiwan)
Chun-Lin Chang, Institute of Photonics and Optoelectronics, National Taiwan Univ. (Taiwan)


Published in SPIE Proceedings Vol. 7574:
Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications VII
Alexander N. Cartwright; Dan V. Nicolau, Editor(s)

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