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A Modularized and Switchable Component for Flexible Passive Device: Terahertz Photonic Crystals with Fine-Tuning
Gao, Jiannan1,2; Wang, Rong3,4; Zhao, Qian5; Li, Bo1; Zhou, Ji2
Corresponding AuthorZhao, Qian(zhaoqian@tsinghua.edu.cn) ; Li, Bo(boli@mail.tsinghua.edu.cn) ; Zhou, Ji(zhouji@tsinghua.edu.cn)
2018-10-04
Source PublicationADVANCED OPTICAL MATERIALS
ISSN2195-1071
Volume6Issue:19Pages:7
AbstractIn this work, tunable terahertz photonic crystals (PCs) used as modularized and switchable components in flexible passive device are designed and prepared. Flexible woodpile structures created by the direct-writing technology with a composite ink system composed of barium strontium titanate nanoparticles and polydimethylsiloxane are immersed in 5CB liquid crystals (LCs), where the orientation of LC molecule is modulated by the external magnetic field. Each of these can work in terahertz wavelength with specific position and depth of the dips in the transmittance spectra due to different geometries as well as having the ability of fine-tuning. Experiments show that the photonic gaps of these PCs can cover from 0.2 to 0.3 THz, as well as about 7.5% fine tunability of photonic gap appearing with the orientation change of the magnetic field. More interestingly, the dips of photonic gaps keep the same position but become deeper with the increase of layer, an ability to realize another dimensional switchover. This work demonstrates that efficient terahertz PCs with different geometry parameters could be dynamically tuned by the orientation of magnetic field and it can open a universal approach to shrinking the size of device and rapid manufacturing in a large throughput.
Keyworddirect ink writing photonic crystals terahertz tunable
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China ; Science and Technology Plan of Guangdong province ; Science and Technology Plan of Shenzhen City
DOI10.1002/adom.201800384
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2017YFB0406300] ; National Natural Science Foundation of China[51788104] ; National Natural Science Foundation of China[51532004] ; National Natural Science Foundation of China[51575297] ; Science and Technology Plan of Guangdong province[2014B090907002] ; Science and Technology Plan of Guangdong province[2017B090907004] ; Science and Technology Plan of Shenzhen City[JCYJ20170817162252290]
WOS Research AreaMaterials Science ; Optics
WOS SubjectMaterials Science, Multidisciplinary ; Optics
WOS IDWOS:000446425000010
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/129907
Collection中国科学院金属研究所
Corresponding AuthorZhao, Qian; Li, Bo; Zhou, Ji
Affiliation1.Tsinghua Univ, Adv Mat Inst, Shenzhen Grad Sch, Shenzhen 518055, Peoples R China
2.Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Sch Mat Sci & Engn, Beijing 100084, Peoples R China
3.Chinese Acad Sci, Environm Funct Mat Div, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Tsinghua Univ, State Key Lab Tribol, Dept Mech Engn, Beijing 100084, Peoples R China
Recommended Citation
GB/T 7714
Gao, Jiannan,Wang, Rong,Zhao, Qian,et al. A Modularized and Switchable Component for Flexible Passive Device: Terahertz Photonic Crystals with Fine-Tuning[J]. ADVANCED OPTICAL MATERIALS,2018,6(19):7.
APA Gao, Jiannan,Wang, Rong,Zhao, Qian,Li, Bo,&Zhou, Ji.(2018).A Modularized and Switchable Component for Flexible Passive Device: Terahertz Photonic Crystals with Fine-Tuning.ADVANCED OPTICAL MATERIALS,6(19),7.
MLA Gao, Jiannan,et al."A Modularized and Switchable Component for Flexible Passive Device: Terahertz Photonic Crystals with Fine-Tuning".ADVANCED OPTICAL MATERIALS 6.19(2018):7.
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