A new Ni/Bi Co-doping rare earth iron garnet crystal with high transmittance, low temperature and wavelength coefficients - Details

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Bi-doped　rare　earth　iron　garnet　(Bi:RIG)　crystal　is　an　ideal　magneto-optical　material　for　optical　isolators　in　the　near-infrared　band,　which　has　been　widely　used　in　optical　communication　applications.　In　this　paper,　centimeter-sized　and　good-quality　Ni2+-doped　Bi:RIG　crystals　were　successfully　grown　by　top-seeded　solution　growth　(TSSG).　The　transmittance　reaches　72.6%　at　1550　nm,　which　is　higher　than　commercial　Bi:TbIG　crystal　and　close　to　the　theoretical　values　of　RIG　crystals.　Doping　Ni　can　not　only　greatly　improve　the　transmittance,　magnetic,　and　magneto-optical　properties,　but　also　decrease　the　Faraday　rotation　temperature　(FTC)　and　wavelength　coefficients　(FWC)　of　the　Bi:RIG　crystal.　The　FTC　and　FWC　of　(Bi0.37Ho1.18Eu0.83Gd0.62)(Fe4.20Ni0.25Ga0.55)O12　crystal　reduced　to　−　6.3　×　10−4　K−1　and　8.0　×　10−4　nm−1,　which　are　about　30%　and　80%　of　commercial　Bi:TbIG　crystal,　respectively.　(Bi0.37Ho1.18Eu0.83Gd0.62)(Fe4.20Ni0.25Ga0.55)O12　exhibits　potential　for　utilization　in　new　high-performance,　wideband　magneto-optical　isolators,　and　is　expected　to　find　application　in　the　field　of　wavelength　division　multiplexing　fiber　communication.　©　2024　Elsevier　B.V.

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Crystal growth Doping (additives) Infrared devices Iron Optical materials Optical properties Rare earths Temperature

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[ 1 ] [Yang, Yanduan]College of Chemistry, Fuzhou University, Fuzhou; 350108, China
[ 2 ] [Yang, Yanduan]Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated Materials, Fujian, Fuzhou; 350108, China
[ 3 ] [Fan, Xiaoyu]College of Chemistry, Fuzhou University, Fuzhou; 350108, China
[ 4 ] [Liu, Haipeng]College of Chemistry, Fuzhou University, Fuzhou; 350108, China
[ 5 ] [Wu, Junying]College of Chemistry, Fuzhou University, Fuzhou; 350108, China
[ 6 ] [Yang, Yang]College of Chemistry, Fuzhou University, Fuzhou; 350108, China
[ 7 ] [Chen, Xin]College of Chemistry, Fuzhou University, Fuzhou; 350108, China
[ 8 ] [Chen, Xin]Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated Materials, Fujian, Fuzhou; 350108, China
[ 9 ] [Hu, Xiaolin]College of Chemistry, Fuzhou University, Fuzhou; 350108, China
[ 10 ] [Hu, Xiaolin]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou; 350108, China
[ 11 ] [Zhuang, Naifeng]College of Chemistry, Fuzhou University, Fuzhou; 350108, China
[ 12 ] [Zhuang, Naifeng]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou; 350108, China
[ 13 ] [Zhuang, Naifeng]Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated Materials, Fujian, Fuzhou; 350108, China

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Source ：

Journal of Alloys and Compounds

ISSN： 0925-8388

Year： 2024

Volume： 978

5 . 8 0 0

JCR@2023

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 6

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