Zosowa zapadziko lapansi za magneto Optical
Zipangizo zowoneka bwino za maginito zimatanthawuza zida zowoneka bwino zokhala ndi maginito owoneka bwino mu ultraviolet kupita ku ma infrared band.Osowa lapansi maginito kuwala zipangizo ndi mtundu watsopano wa kuwala zidziwitso zinchito zipangizo zimene zingapangidwe kukhala zipangizo kuwala ndi ntchito zosiyanasiyana pogwiritsa ntchito magneto kuwala katundu ndi mogwirizana ndi kutembenuka kwa kuwala, magetsi, ndi maginito.Monga ma modulators, zodzipatula, zozungulira, zosinthira maginito-optical, ma deflectors, zosinthira magawo, makina opangira zidziwitso, zowonetsera, zokumbukira, magalasi a laser gyro bias, magnetometers, masensa a magneto-optical, makina osindikizira, zojambulira makanema, makina ozindikira mawonekedwe, ma disc owonera. , optical waveguides, etc.
Gwero la Rare Earth Magneto Optics
Therare earth elementimapanga mphindi yolakwika ya maginito chifukwa cha wosanjikiza wa 4f electron wosadzaza, womwe ndi gwero la maginito amphamvu;Panthawi imodzimodziyo, zingayambitsenso kusintha kwa ma elekitironi, zomwe zimayambitsa kutengeka kwa kuwala, zomwe zimatsogolera ku zotsatira zamphamvu za magneto optical.
Zitsulo zenizeni zapadziko lapansi sizimawonetsa mphamvu za magneto Optical.Pokhapokha pamene zinthu zapadziko lapansi zosowa zitalowetsedwa mu zinthu zowoneka ngati magalasi, makristasi apawiri, ndi mafilimu a aloyi, m'pamene mphamvu ya magneto-optical ya zinthu zosowa zapadziko lapansi idzawonekera.Zida zomwe zimagwiritsidwa ntchito kwambiri ndi maginito-optical ndi zinthu zamagulu osinthika monga (REBi) 3 (FeA) 5O12 garnet crystals (zinthu zachitsulo monga A1, Ga, Sc, Ge, In), mafilimu amtundu wa RETM (Fe, Co, Ni, Mn). ), ndi magalasi osowa padziko lapansi.
Magneto Optical crystal
Magneto optic makhiristo ndi zida za kristalo zomwe zimakhala ndi magneto optic zotsatira.Mphamvu ya magneto-optical imagwirizana kwambiri ndi maginito a zipangizo za kristalo, makamaka mphamvu ya magnetization ya zipangizo.Chifukwa chake, zida zina zabwino kwambiri zamaginito nthawi zambiri zimakhala zida za magneto-optical zokhala ndi maginito owoneka bwino, monga yttrium iron garnet ndi makhiristo a iron garnet osowa padziko lapansi.Nthawi zambiri, makhiristo okhala ndi maginito owoneka bwino ndi ma ferromagnetic ndi makristalo a ferrimagnetic, monga EuO ndi EuS kukhala ma ferromagnets, yttrium iron garnet ndi bismuth doped rare earth iron garnet kukhala ma ferrimagnets.Pakalipano, mitundu iwiriyi ya makhiristo imagwiritsidwa ntchito makamaka, makamaka maginito achitsulo.
Zosowa padziko lapansi chitsulo garnet magneto-optical zakuthupi
1. Mapangidwe azinthu zapadziko lapansi chitsulo chosowa garnet magneto-optical materials
Zida zamtundu wa garnet ferrite ndi mtundu watsopano wa maginito omwe apangidwa mofulumira masiku ano.Chofunika kwambiri mwa izo ndi rare earth iron garnet (yomwe imadziwikanso kuti magnetic garnet), yomwe imatchedwanso RE3Fe2Fe3O12 (ikhoza kufupikitsidwa RE3Fe5O12), kumene RE ndi yttrium ion (ena amapangidwanso ndi Ca, Bi plasma), Fe. ma ions mu Fe2 akhoza kusinthidwa ndi In, Se, Cr plasma, ndi Fe ions mu Fe akhoza kusinthidwa ndi A, Ga plasma.Pali mitundu yonse ya 11 ya garnet yachitsulo ya rare earth yomwe yapangidwa mpaka pano, ndipo yodziwika kwambiri ndi Y3Fe5O12, yofupikitsidwa ngati YIG.
2. Yttrium iron garnet magneto-optical material
Yttrium iron garnet (YIG) idapezeka koyamba ndi Bell Corporation mu 1956 ngati kristalo imodzi yokhala ndi maginito owoneka bwino.Magnetized yttrium iron garnet (YIG) ili ndi kutayika kwa maginito angapo otsika kwambiri kuposa ma ferrite ena aliwonse pamtunda wothamanga kwambiri, ndikupangitsa kuti igwiritsidwe ntchito kwambiri ngati zinthu zosungira zidziwitso.
3. High Doped Bi Series Rare Earth Iron Garnet Magneto Optical Materials
Ndi chitukuko chaukadaulo waukadaulo wolumikizirana, zofunikira pakufalitsa uthenga wabwino komanso mphamvu zawonjezeka.Malinga ndi kafukufuku wazinthu, ndikofunikira kuwongolera magwiridwe antchito a zida za magneto-optical monga pachimake cha zodzipatula, kotero kuti kusinthasintha kwawo kwa Faraday kumakhala ndi kutentha kwapang'ono komanso kukhazikika kwa mafunde akulu, kuti apititse patsogolo kukhazikika kwa kudzipatula kwa chipangizocho motsutsana. kusintha kwa kutentha ndi kutalika kwa mafunde.Makatani apamwamba a Bi ion amtundu wa rare earth iron garnet single makhiristo ndi mafilimu oonda akhala cholinga cha kafukufuku.
Bi3Fe5O12 (BiG) filimu yopyapyala yamtundu umodzi wonyezimira imabweretsa chiyembekezo pakupanga makina ang'onoang'ono ophatikizika a magneto Optical isolator.Mu 1988, T Kouda et al.analandira Bi3FesO12 (BiIG) single galasi woonda mafilimu kwa nthawi yoyamba pogwiritsa ntchito plasma sputtering deposition njira RIBS (reaction lon nyemba sputtering).Kenako, United States, Japan, France, ndi ena bwinobwino analandira Bi3Fe5O12 ndi mkulu Bi doped osowa dziko lapansi chitsulo garnet magneto-optical mafilimu ntchito njira zosiyanasiyana.
4. Ce doped osowa nthaka chitsulo garnet magneto-kuwala zipangizo
Poyerekeza ndi zida zomwe zimagwiritsidwa ntchito nthawi zambiri monga YIG ndi GdBiIG, Ce doped rare earth iron garnet (Ce: YIG) ili ndi mawonekedwe a angle yayikulu yozungulira ya Faraday, coefficient yotsika kutentha, kuyamwa kochepa, komanso mtengo wotsika.Pakali pano ndi mtundu watsopano wodalirika wa Faraday rotation magneto-optical material.
Kugwiritsa Ntchito Zosowa Zapadziko Lapansi Magneto Optic
Magneto optical crystal zida zimakhala ndi mphamvu yoyera ya Faraday, yotsika kwambiri yoyamwa pamafunde, komanso maginito apamwamba komanso permeability.Amagwiritsidwa ntchito kwambiri popanga zida zodzipatula zodzipatula, zowoneka bwino zosagwirizana, maginito optical memory ndi maginito optical modulators, fiber optic communication ndi zida zophatikizika zamakompyuta, kusungirako makompyuta, ntchito zomveka komanso zotumizira, mawonedwe a magneto optical, kujambula kwa magneto, zida zatsopano zama microwave. , laser gyroscopes, ndi zina zotero. Ndi kupezeka kosalekeza kwa magneto-optical crystal materials, zipangizo zosiyanasiyana zomwe zingagwiritsidwe ntchito ndi kupanga zidzawonjezekanso.
(1) Optical isolator
M'mawonekedwe a kuwala monga kuyankhulana kwa fiber optic, pali kuwala komwe kumabwerera ku gwero la laser chifukwa cha maonekedwe a zigawo zosiyanasiyana mu njira ya kuwala.Kuwala kumeneku kumapangitsa kuti kuwala kwamphamvu kwa gwero la laser kusasunthike, kumapangitsa phokoso la kuwala, ndikuchepetsa kwambiri mphamvu yotumizira ndi mtunda wolumikizana wa ma siginecha mu fiber optic, zomwe zimapangitsa kuti mawonekedwe aziwoneka osakhazikika.An Optical isolator ndi kachipangizo kakang'ono kamene kamalola kuti kuwala kopanda unidirectional kudutsa, ndipo mfundo yake yogwirira ntchito imadalira kusafanana kwa kusinthasintha kwa Faraday.Kuwala komwe kumawonekera kudzera mu ma fiber optic echoes kumatha kukhala olekanitsidwa bwino ndi optical isolator.
(2) Magneto optic current tester
Kukula kwachangu kwamakampani amakono kwapangitsa kuti pakhale zofunikira zapamwamba pakupatsira ndi kuzindikira ma gridi amagetsi, ndipo njira zachikhalidwe zoyezera kwambiri komanso zoyezera zamakono zidzakumana ndi zovuta zazikulu.Ndi chitukuko cha umisiri wa fiber optic ndi sayansi ya zinthu, oyesa maginito-optical panopa apeza chidwi chochuluka chifukwa cha mphamvu zawo zotetezera bwino komanso zotsutsana ndi kusokoneza, kulondola kwapamwamba, kusinthasintha kosavuta, komanso kulibe zoopsa zomwe zingathe kuphulika.
(3) Chipangizo cha Microwave
YIG ili ndi mawonekedwe a mzere wopapatiza wa ferromagnetic resonance, mawonekedwe owundana, kukhazikika kwa kutentha, komanso kutayika kochepa kwambiri kwa ma elekitiroma pama frequency apamwamba.Makhalidwewa amachititsa kuti zikhale zoyenera kupanga zipangizo zosiyanasiyana za microwave monga zopangira ma frequency apamwamba, zosefera za bandpass, oscillators, AD tuning drivers, ndi zina zotero. Zakhala zikugwiritsidwa ntchito kwambiri mu microwave frequency band pansi pa X-ray band.Kuphatikiza apo, makristasi a magneto-optical amathanso kupangidwa kukhala zida za magneto-optical monga zida zokhala ngati mphete ndi zowonera za magneto-optical.
(4) Magneto Optical memory
Muukadaulo wokonza zidziwitso, maginito-optical media amagwiritsidwa ntchito kujambula ndi kusunga zidziwitso.Magneto optical storage ndiye mtsogoleri pakusungirako kuwala, komwe kumakhala ndi mphamvu zambiri komanso kusinthanitsa kwaulere kwa malo osungira, komanso ubwino wolemberanso zosungirako zosungirako maginito komanso kuthamanga kwapakati kofanana ndi maginito hard drive.Chiŵerengero cha ntchito yamtengo wapatali chidzakhala chinsinsi chakuti ma magneto optical disks angatsogolere njira.
(5) TG single crystal
TGG ndi kristalo wopangidwa ndi Fujian Fujing Technology Co., Ltd. (CASTECH) mu 2008. Ubwino wake waukulu: TGG single crystal imakhala ndi maginito owoneka bwino osakhazikika, matenthedwe apamwamba kwambiri, kutayika kochepa kwa kuwala, komanso kuwonongeka kwakukulu kwa laser, ndi imagwiritsidwa ntchito kwambiri pakukulitsa ma multilevel, mphete, ndi ma laser jekeseni wambewu monga YAG ndi T-doped safiro.
Nthawi yotumiza: Aug-16-2023