Effect of thickness deviation on the absorption of graphene in photonic crystal microcavity
Effect of thickness deviation on the absorption of graphene in photonic crystal microcavity
复制标题
厚度偏差对光子晶体微腔中石墨烯吸收的影响
DOI:
10.1016/j.ijleo.2018.03.058
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发表时间:
2018-07
期刊:
影响因子:
3.1
通讯作者:
Cai Xun-Ming
中科院分区:
文献类型:
--
作者:
Liu Jiang-Tao;Li Xiao-Jing;Wu Yuan-Yuan;Xu Yan-Li;Cai Xun-Ming
The effect of thickness deviation on the optical properties of graphene-based optical microstructure was studied by using the transfer matrix method. Machining errors led to inconsistencies in the thicknesses of different parts and resulted in an offset of absorption peak, thus significantly reducing the average light absorption. The 3-nm deviation decreased the light absorption of graphene-optical microstructure by approximately 3.5 times. However, if the machining error is included in the design, then a relatively smallQvalue will help reduce the effect of machining error and the light absorption can be enhanced by about 32%.
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