强激光与粒子束, 2014, 26 (12): 121010, 网络出版: 2015-01-08  

材料的吸收效应对光子晶体温感特性的影响

Influence of the absorption effect of material on the characteristics of photonic crystal temperature sensing
作者单位
1 中北大学 物理系, 太原 030051
2 中北大学 电子测试技术国家重点实验室
3 太原 030051
4 中北大学 山西省光电信息与仪器工程技术研究中心, 太原 030051
摘要
利用传输矩阵法对含有缺陷层光子晶体缺陷模的透射率进行计算,主要讨论了材料的吸收效应对光子晶体温感特性的影响。以波长为800 nm处缺陷态的透射峰作为研究对象,通过MATLAB数学软件数值模拟仿真发现: 随着温度逐渐增加,缺陷模的透射率随之减小,说明光子晶体对温度变化有一定的灵敏度;介质材料的吸收效应会使透射峰随温度变化的速度减小,即光子晶体的缺陷模对温度变化的灵敏度减小;介质材料的消光系数越大,光子晶体的缺陷模对温度变化的灵敏度则越小。
Abstract
The transfer matrix method is used to calculate the transmissivity of the defect mode of the photonic crystal with defects, and the influence of the absorption effect of material on the characteristics of photonic crystal temperature sensing is mainly discussed. The research object is the defect mode at the wavelength 800 nm. Simulated with the mathematical software MATLAB, it is found that: firstly, the transmissivity of the defect mode decreases with the increase of temperature, the photonic crystal is sensitive to the change of temperature;secondly, the absorption effect of material can slow down the speed of change of transmission peak with the change of temperature, and make the sensitivity of the photonic crystal changes less with temperature;finally, the greater the extinction coefficient of the material, the smaller the sensitivity of defect mode of the photonic crystal to the change of temperature.
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张爱华, 温廷敦, 许丽萍, 王志斌, 丰春芳. 材料的吸收效应对光子晶体温感特性的影响[J]. 强激光与粒子束, 2014, 26(12): 121010. Zhang Aihua, Wen Tingdun, Xu Liping, Wang Zhibin, Feng Chunfang. Influence of the absorption effect of material on the characteristics of photonic crystal temperature sensing[J]. High Power Laser and Particle Beams, 2014, 26(12): 121010.

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