Numerical modeling and analytical evaluation of light absorption by gold nanostars

Sergey Zarkov; Georgy Akchurin; Alexander Yakunin; Yuri Avetisyan; Garif Akchurin; Valery Tuchin

doi:10.1117/12.2317503

26 April 2018 Numerical modeling and analytical evaluation of light absorption by gold nanostars

Sergey Zarkov, Georgy Akchurin, Alexander Yakunin, Yuri Avetisyan, Garif Akchurin, Valery Tuchin

Proceedings Volume 10716, Saratov Fall Meeting 2017: Optical Technologies in Biophysics and Medicine XIX; 107161H (2018) https://doi.org/10.1117/12.2317503
Event: Saratov Fall Meeting 2017, 2017, Saratov, Russian Federation

Abstract

In this paper, the regularity of local light absorption by gold nanostars (AuNSts) model is studied by method of numerical simulation. The mutual diffraction influence of individual geometric fragments of AuNSts is analyzed. A comparison is made with an approximate analytical approach for estimating the average bulk density of absorbed power and total absorbed power by individual geometric fragments of AuNSts. It is shown that the results of the approximate analytical estimate are in qualitative agreement with the numerical calculations of the light absorption by AuNSts.

Citation Download Citation

Sergey Zarkov, Georgy Akchurin, Alexander Yakunin, Yuri Avetisyan, Garif Akchurin, and Valery Tuchin "Numerical modeling and analytical evaluation of light absorption by gold nanostars", Proc. SPIE 10716, Saratov Fall Meeting 2017: Optical Technologies in Biophysics and Medicine XIX, 107161H (26 April 2018); https://doi.org/10.1117/12.2317503

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