含金属层一维三元光子晶体结构的高吸收特性研究
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摘要
利用传输矩阵理论,分析了含金属层的一维光子晶体对太阳光谱的吸收特性。通过对一维光子晶体透射谱、反射谱和吸收谱的分析,分别研究了金属层的消光系数、色散系数、入射角和光子晶体结构的周期数目变化对吸收率的影响。结果表明随着消光系数和周期数的增加,吸收率都明显增加,谱线宽度和高吸收带位置基本保持不变;吸收率随着色散系数的增加变化规律略有不同,不同吸收带的频谱位置向长波方向移动,谱宽基本保持不变;吸收率均值随入射角的增加而减小,而且频谱位置向长波方向移动;一维光子晶体结构周期数增加,各吸收带的吸收率波动程度减小。本文结果可用于提高对太阳光辐射的吸收,为光子晶体的设计及其在太阳能利用方面的应用提供重要依据。
Using the transmission matrix method,the absorption characteristics of one-dimensional photonic crystals with metal layers are studied in this paper.By analyzing the transmission spectrum,reflection spectrum and absorption spectrum of the one-dimensional photonic crystals,the effects of metal layers extinction coefficient,the dispersion coefficient,the incident angle and the periodic number of the photonic crystal structure on absorptivity are studied.The results show that with the increase of extinction coefficient and the period number,the absorptivity increases obviously,while the spectral line width and the wavelength position of the high absorption band are basically unchanged.The absorptivity varies slightly with the increase of the metal layers dispersion coefficient,and the positions of different absorption bands move to the long wave direction,while the spectral width remains unchanged.The average absorptivity decreases with the increase of incident angle,and the spectral position moves towards the long wave.The absorptivity fluctuation in the whole absorption rate band decreases as the period number of one-dimensional photonic crystal increases.The results of this paper can be used to increase the absorption of solar radiation and provide importantbasis for thedesign ofphotoniccrystals and theirapplication in solar energy utilization.
Using the transmission matrix method,the absorption characteristics of one-dimensional photonic crystals with metal layers are studied in this paper.By analyzing the transmission spectrum,reflection spectrum and absorption spectrum of the one-dimensional photonic crystals,the effects of metal layers extinction coefficient,the dispersion coefficient,the incident angle and the periodic number of the photonic crystal structure on absorptivity are studied.The results show that with the increase of extinction coefficient and the period number,the absorptivity increases obviously,while the spectral line width and the wavelength position of the high absorption band are basically unchanged.The absorptivity varies slightly with the increase of the metal layers dispersion coefficient,and the positions of different absorption bands move to the long wave direction,while the spectral width remains unchanged.The average absorptivity decreases with the increase of incident angle,and the spectral position moves towards the long wave.The absorptivity fluctuation in the whole absorption rate band decreases as the period number of one-dimensional photonic crystal increases.The results of this paper can be used to increase the absorption of solar radiation and provide importantbasis for thedesign ofphotoniccrystals and theirapplication in solar energy utilization.
引文
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[17] CHEN Min,WAN Ting,WANG Zheng,et al.One-dimensional magnetic photonic crystal structure with wide absolute bandgaps[J].Acta Physica Sinica,2017,66(1):99-105.陈敏,万婷,王征,等.宽绝对禁带的一维磁性光子晶体结构[J].物理学报,2017,66(1):99-105.
[18] Xiao X,Wang W,Li S,et al.Investigation of defect modes with Al2O3,and TiO2,in one-dimensional photonic crystals[J].Optik-International Journalfor Light and ElectronOptics,2016,127(1):135-138.
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[20] Liu Y J,Xie X,Xie L,et al.Dual-band absorption characteristics of one-dimensional photonic crystal with graphene-based defect[J].Optik-International Journalfor Lightand Electron Optics,2016,127(9):3945-3948.
[2] Maling B J,Colquitt D J,Craster R V.The homogenisation of Maxwell′s equations with applications to photonic crystals and localised waveforms onmetafilms[J].Physics,2015.
[3] Chassagneux Y,Colombelli R,Maineult W,et al.Electrically pumped photoniccrystal terahertz lasers controlled by boundary conditions[J].Nature,2009,457(7226):174-178.
[4] DENG Li-er,GONG Lei.Reflection characteristics of one-dimensional polybasic photonic crystals by using heterostructure[J].Acta Photonica Sinica,2016,45(5):32-36.邓立儿,巩蕾.一维三元异质结构光子晶体反射特性[J].光子学报,2016,45(5):32-36.
[5] ZOU Fang,ZOU Xi-hua,PAN Wei,et al.Optimized design of photonic crystal filters based on fractal structure[J].Journal of Optoelectronics·Laser,2016,27(12):1260-1266.邹放,邹喜华,潘炜,等.基于分形结构的光子晶体滤波器优化设计[J].光电子·激光,2016,27(12):1260-1266.
[6] GAO Yuan,DONG Bi-cheng,TAN Ce,et al.Three-parameter measurement based on cascaded Bragg gratings in magnetic fluid-infiltrated photonic crystal fiber[J].Journal of Optoelectronics·Laser,2017,28(12):1344-1350.高源,董碧成,谭策,等.磁流体填充的光子晶体光纤Bragg光栅三参量同时传感特性研究[J].光电子·激光,2017,28(12):1344-1350.
[7] ZHANG Si-qi,WU Xiang-xiao,LIU Xiao-jing,et al.Photon diode of new linear function photonic crystals[J].Journal of Jilin University (Science Edition),2013,51(5):912-918.张斯淇,吴向尧,刘晓静,等.新型线性函数光子晶体的光子二极管[J].吉林大学学报(理学版),2013,51(5):912-918.
[8] WANG Jing,WU Xiang-xiao,LIU Xiao-jing,et al.Properties of light filed distribution in one-dimensional photon crystals[J].Journal of Jilin University (Science Edition),2013,51(4):698-705.王婧,吴向尧,刘晓静,等.一维光子晶体中的光场特性[J].吉林大学学报(理学版),2013,51(4):698-705.
[9] Khaleque A,Hattori H T.Absorption enhancement in graphene photonic crystal structures[J].Appl.Opt.,2016,55(11):2936-2942.
[10] Liu J T,Liu N H,Li J,et al.Enhanced absorption of graphene with one-dimensional photonic crystal[J].Applied Physics Letters,2012,101(5):666-668.
[11] WU Zhen-hua,LI Si-min,ZHANG Wen-tao,et al.Back reflector of solar cells consisting of one-dimensional photonic crystal and double-layered two-dimensional photonic crystal[J].Acta Photonica Sinica,2016,45(2):159-163.武振华,李思敏,张文涛,等.一维和双层二维光子晶体太阳能电池背反射器[J].光子学报,2016,45(2):159-163.
[12] Herzinger C M,Johs B,Mcgahan W A,et al.Ellipsometric determination of optical constants for silicon and thermally grown silicon dioxide via a multi-sample,multi-wavelength,multi-angle investigation[J].Journal of Applied Physics,1998,83(6):3323-3336.
[13] WAN Lun,ZHANG Man-bo,WANG Jing-xia,et al.Research progress of the metal-based photonic crystals[J].Acta Chimica Sinica,2016,74(8):639-648.万伦,张漫波,王京霞,等.金属基光子晶体的研究进展[J].化学学报,2016,74(8):639-648.
[14] ZHAO Cong,MA Ying,WANG Yang,et al.Research progress of photonic crystal solar cells[J].Acta Chimica Sinica,2018,76(1):9-21.赵聪,马颖,汪洋,等.光子晶体太阳能电池研究进展[J].化学学报,2018,76(1):9-21.
[15] Bermel P,Luo C,Zeng L,et al.Improving thin-film crystalline silicon solar cell efficiencies with photonic crystals[J].Optics Express,2007,15(25):16986-17000.
[16] MA Ji,WU Xiang-xiao,LIU Xiao-jing,et al.Research on the absorption property of defect layer in photon crystals[J].Chinese Journal of Lasers,2014,(3):144-148.马季,吴向尧,刘晓静,等.光子晶体缺陷层吸收特性的研究[J].中国激光,2014,(3):144-148.
[17] CHEN Min,WAN Ting,WANG Zheng,et al.One-dimensional magnetic photonic crystal structure with wide absolute bandgaps[J].Acta Physica Sinica,2017,66(1):99-105.陈敏,万婷,王征,等.宽绝对禁带的一维磁性光子晶体结构[J].物理学报,2017,66(1):99-105.
[18] Xiao X,Wang W,Li S,et al.Investigation of defect modes with Al2O3,and TiO2,in one-dimensional photonic crystals[J].Optik-International Journalfor Light and ElectronOptics,2016,127(1):135-138.
[19] Ansari N,Mohebbi E.Increasing optical absorption in one-dimensional photonic crystals including MoS2 monolayer for photovoltaicsapplications[J].Optical Materials,2016,62:152-158.
[20] Liu Y J,Xie X,Xie L,et al.Dual-band absorption characteristics of one-dimensional photonic crystal with graphene-based defect[J].Optik-International Journalfor Lightand Electron Optics,2016,127(9):3945-3948.