이택성 이경석 김원목 이장교 변석주 2024-01-20T21:34:05Z 2024-01-20T21:34:05Z 2021-09-06 2009-04 1226-7945 https://pubs.kist.re.kr/handle/201004/132601 Quantitative analysis of optical scattering intensities from a Au nanoparticle with a diameter of 100 nm, which is effected by the localized surface plasmon resonance (LSPR), were numerically carried out by using a dark-field detection scheme on prism basal plane for two different beam incident modes of reflectance (R-mode) and transmittance (T-mode). Two-dimensional finite difference time domain (FDTD) algorithm was adopted, and its applicabilibility was verified by comparing the simulation results with the theoretical ones. Simulation results of the scattered light intensities from a Au nanoparticle revealed that the scattered intensity of the T-mode was much stronger than that of R-mode. Comparison of the calculated results with the theoretical intensity distribution on the prism showed that the scattered intensity is maximized when the evanescent field, which is generated from the interface of prism and air at TIR angle, is coupled with Au nanoparticle. Korean 한국전기전자재료학회 빔의 입사모드가 금 나노입자의 국소표면플라즈몬 산란광에 미치는 영향 Effects of Light Incident Mode on Optical Scattering of Au Nanoparticle by Localized Surface Plasmon Resonance Article 2 전기전자재료학회논문지, v.22, no.4, pp.307 - 313 전기전자재료학회논문지 22 4 307 313 kci ART001331563 Bio-sensor LSPR Au nanoparticle Evanescent coupling FDTD