Infrared and Laser Engineering, Volume. 48, Issue 7, 721001(2019)

Transmission properties of Au-dielectric-Au multilayer films with rectangular hole arrays

Han Jing1,2, Shao Yabin1, Wang Jun1, Zhao Xin1, and Gao Yachen1
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  • 1[in Chinese]
  • 2[in Chinese]
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    The extraordinary optical transmission properties of periodic subwavelength hole arrays were of great significance in the design of subwavelength optoelectronic devices. The periodic hole array structure on two or more layers can lead to new optical properties due to the interaction of the electromagnetic fields between the layers. The transmission properties of a rectangular nanohole array in Au-dielectric-Au multilayer films were simulated using the finite-difference time-domain method. The results show that there are multiple transmission peaks in the transmission spectra of the structure in the near-infrared region.The number, position and intensity of the transmission peak can be controlled by changing the geometrical parameters of the structure and the dielectric film of material. The influences of the thickness and refractive index of the dielectric film, the period of the hole arrays, the length of the rectangular hole on the transmission spectrum were analyzed in detail. It provides a reference for designing multi-wavelength control devices using multiple surface plasmon resonances.

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    Han Jing, Shao Yabin, Wang Jun, Zhao Xin, Gao Yachen. Transmission properties of Au-dielectric-Au multilayer films with rectangular hole arrays[J]. Infrared and Laser Engineering, 2019, 48(7): 721001

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    Paper Information

    Category: 先进光学材料

    Received: Feb. 11, 2019

    Accepted: Mar. 21, 2019

    Published Online: Aug. 7, 2019

    The Author Email:

    DOI:10.3788/irla201948.0721001

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