Laser & Optoelectronics Progress, Volume. 56, Issue 15, 152501(2019)
Formation of Orthogonal and Parallel Surface-Lattice Resonances with Asymmetric Nanoparticle Array
Fig. 1. Optical responses of single L-shaped gold nanorod. (a) Schematic of L-shaped gold nanorod; (b) scattering spectrum of nanorod (solid line) and contribution of electric dipole scattering in x and y directions (dashed line); near-field distribution characteristics of (c) anti-bonding and (d) bonding localized surface plasmon resonances; (e) variation in scattering spectrum with length of nanorod; (f) variation in scattering spectrum with width of nanorod; (g) variation in scattering spectrum with
Fig. 2. Optical responses of L-shaped nanoparticle array. (a) Extinction spectrum of L-shaped nanoparticle array under normal incidence when periods in x direction are 1120 nm and 1150 nm and period in y direction is fixed at 1120 nm (inset represents diagram of L-shaped nanoparticle array); (b) transmission spectrum of L-shaped nanoparticle array versus period in x direction
Fig. 3. Electric field intensity distributions (upper) and field component distributions in x (middle) and y (lower) directions at different wavelengths. (a) Wavelength of 1515 nm; (b) wavelength of 1498 nm; (c) wavelength of 1542 nm
Fig. 4. Optical responses of L-shaped nanoparticle array. (a) Extinction spectrum of L-shaped nanoparticle array under normal incidence when periods in x direction are 670 nm and 690 nm and period in y direction is fixed at 690 nm; (b) transmission spectrum of L-shaped nanoparticle array versus period in x direction
Fig. 5. Electric field intensity distributions (upper) and field component distributions in x (middle) and y (lower) directions at different wavelengths. (a) Wavelength of 934 nm; (b) wavelength of 894 nm; (c) wavelength of 927 nm
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Haojie Hou, Junyan Liu, Bowen Xiao, Mingqi Zhu, Mengchun Li. Formation of Orthogonal and Parallel Surface-Lattice Resonances with Asymmetric Nanoparticle Array[J]. Laser & Optoelectronics Progress, 2019, 56(15): 152501
Category: OPTOELECTRONICS
Received: Jan. 31, 2019
Accepted: Mar. 7, 2019
Published Online: Aug. 5, 2019
The Author Email: Li Mengchun (limmc163@163.com)