基于一维光子晶体的1064nm激光窄带滤光膜的设计
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摘要
为了获取具有宽截止带的1064 nm激光窄带滤光膜,本文以含缺陷的一维光子晶体为基础设计了两种不同的结构。模拟分析了缺陷层引入方式、缺陷层光学厚度、缺陷层材料折射率、光子晶体周期数和缺陷层位置等因素对窄通带位置、宽度和强度的影响,明确了其影响规律。通过优化光子晶体的结构参数优化滤光膜窄通带、拓宽截止带,设计了截止范围在200～1500 nm、1064 nm透过率大于90%的多层结构滤光膜。
In order to obtain a 1064 nm laser narrowband filter with a wide cut-off band, two different structures were designed based on one-dimensional photonic crystals with defects. The effects of the defect layer introduction method, optical thickness, refractive index of the defect layer, number of photonic crystal cycles, and optical position of the defect layer on the position, width, and intensity of the narrow band were analyzed, and the influence rule was clarified. By optimizing the structural parameters of the photonic crystal,the narrow band of the filter film was optimized, and the cut-off band was broadened. A multilayer structure filter film with a cutoff range of 200-1500 nm and a 1064 nm transmittance of more than 90% was designed.
In order to obtain a 1064 nm laser narrowband filter with a wide cut-off band, two different structures were designed based on one-dimensional photonic crystals with defects. The effects of the defect layer introduction method, optical thickness, refractive index of the defect layer, number of photonic crystal cycles, and optical position of the defect layer on the position, width, and intensity of the narrow band were analyzed, and the influence rule was clarified. By optimizing the structural parameters of the photonic crystal,the narrow band of the filter film was optimized, and the cut-off band was broadened. A multilayer structure filter film with a cutoff range of 200-1500 nm and a 1064 nm transmittance of more than 90% was designed.
引文
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[2]张静,付秀华,潘永刚.卫星激光通信滤光膜的研制[J].光子学报,2012,41(3):303-306.ZHANG Jing,FU Xiuhua,PAN Yonggang.Design and Fabrication of Satellite Laser Communication Filter Coating[J].Acta Photonica Sinica,2012,41(3):303-306.
[3]岳威,洪冬梅,刘国喜,等.用于激光测距的1572 nm窄带滤光膜[J].强激光与粒子束,2010,22(8):1819-1822.YUE Wei,HONG Dongmei,LIU Guoxi,et al.1572 nm narrow-band filter in laser telemeter[J].High Power Laser and Particle Beams,2010,22(8):1819-1822.
[4]庄秋慧,付秀华,刘国军.用于空间激光通信系统的近红外分色片设计与研制[J].光学学报,2014,34(8):333-336.ZHUANG Qiuhui,FU Xiuhua,LIU Guojun.Design and Fabrication of a Near-Infrared Dichroic Beam Splitter Used for Space Laser Communication System[J].Acta Optica Sinica,2014,34(8):333-336.
[5]付秀华,莫朝燕,黄金龙,等.临近空间激光通信链路光学系统中滤光膜的研制[J].中国激光,2013,40(9):162-166.FU Xiuhua,MO Zhaoyan,HUANG Jinlong,et al.Design and Fabrication of Near Space Laser Communication Link Optical System Filter Film[J].Chinese Journal of Lasers,2013,40(9):162-166.
[6]潘永强,陈佳.微结构窄带滤光片设计及制备工艺研究[J].应用光学,2017,38(1):78-82.PAN Yongqiang,CHEN Jia.Design and fabrication of microstructure narrow band filter[J].Journal of Applied Optics,2017,38(1):78-82.
[7]吴晓鸣,李辛,王一坚,等.大尺寸1064 nm波段HfO2/SiO2高损伤阈值窄带滤光片的研制[J].激光与光电子学进展,2016,53(4):206-212.WU Xiaoming,LI Xin,WANG Yijian,et al.Fabrication of Large Size1064 nm HfO2/SiO2 Narrow-Band Filters with High Laser Damage Threshold[J].Laser&Optoelectronics Progress,2016,53(4):206-212.
[8]唐晋发,顾培夫,刘旭,等.现代光学薄膜技术[M].杭州:浙江大学出版社,2006:144.TANG Jinfa,GU Peifu,LIU Xu,et al.Modern Optical Thin Film Technology[M].Hangzhou:Zhangjiang University Press,2006:144.
[9]John D J,Steven G J,Joshua N W,et al.Photonic Crystals:Molding the Flow of Light 2nd[M].Beijing:Beijing World Publishing Corporation,2013:44-45.
[10]陆晓东.光子晶体材料在集成光学和光伏中的应用[M].北京:冶金工业出版社,2014:2-3.LU Xiaodong.Application of Photonic Crystal Materials in Integrated Optics and Photovoltaic[M].Beijing:Metallurgical Industry Press,2014:2-3.
[11]马锡英.光子晶体原理及应用[M].北京:科学出版社,2010:35-37.MA Xiying.Principle and Application of Photonic Crystal[M].Beijing:Science press,2010:35-37.
[12]张会云,张玉萍,苏希玉,等.传输矩阵法分析有限周期光子晶体的反射谱特征[J].量子光学学报,2004,10(1):38-41.ZHANG Huiyun,ZHANG Yuping,SU Xiyu,et al.Transmission Matrix Method to Analyze the Spectral Characteristics of Finite Periodic Photonic Crystals[J].Journal of Quantum Optics,2004,10(1):38-41.