Rare ntiaj teb magneto optical cov ntaub ntawv
Magneto optical cov ntaub ntawv xa mus rau cov ntaub ntawv kho qhov muag cov ntaub ntawv ua haujlwm nrog magneto optical teebmeem hauv ultraviolet rau infrared bands.Tsis tshua muaj lub ntiaj teb magneto optical cov ntaub ntawv yog ib hom tshiab ntawm cov ntaub ntawv kho qhov muag ua haujlwm cov ntaub ntawv uas tuaj yeem ua rau hauv cov khoom siv kho qhov muag nrog ntau lub zog los ntawm kev siv lawv cov khoom siv kho qhov muag magneto thiab kev sib cuam tshuam thiab kev hloov pauv ntawm lub teeb, hluav taws xob, thiab hlau nplaum.Xws li modulators, isolators, circulators, magneto-optical keyboards, deflectors, theem shifters, kho qhov muag cov ntaub ntawv processors, qhia, nco, laser gyro bias tsom iav, magnetometers, magneto-optical sensors, tshuab luam ntawv, video recorders, qauv paub tshuab, optical discs , optical waveguides, thiab lwm yam.
Qhov Chaw ntawm Rare Earth Magneto Optics
Covrare ntiaj teb elementtsim ib lub sijhawm sib nqus tsis raug vim tsis muaj 4f electron txheej, uas yog lub hauv paus ntawm cov hlau nplaum muaj zog;Nyob rau tib lub sijhawm, nws tuaj yeem ua rau muaj kev hloov pauv hluav taws xob, uas yog qhov ua rau lub teeb excitation, ua rau muaj zog magneto optical teebmeem.
Cov hlau tsis tshua muaj hauv ntiaj teb tsis pom muaj zog magneto kho qhov muag.Tsuas yog thaum lub ntiaj teb tsis tshua muaj cov ntsiab lus tau doped rau hauv cov khoom siv kho qhov muag xws li iav, cov khoom siv lead ua, thiab cov yeeb yaj kiab alloy, yuav muaj zog magneto-optical nyhuv ntawm lub ntiaj teb tsis tshua muaj tshwm sim.Cov khoom siv magneto-optical feem ntau yog cov kev hloov pauv pawg xws li (REBi) 3 (FeA) 5O12 garnet crystals (hlau ntsiab xws li A1, Ga, Sc, Ge, Hauv), RETM amorphous films (Fe, Co, Ni, Mn. ), thiab cov tsom iav tsis tshua muaj ntiaj teb.
Magneto optical siv lead ua
Magneto optic crystals yog cov khoom siv lead ua nrog cov teebmeem magneto optic.Cov nyhuv magneto-optical yog ze ze rau cov hlau nplaum ntawm cov ntaub ntawv siv lead ua, tshwj xeeb tshaj yog lub zog magnetization ntawm cov ntaub ntawv.Yog li ntawd, qee cov khoom siv hlau nplaum zoo heev feem ntau yog cov khoom siv hlau nplaum-kho qhov muag nrog cov khoom zoo heev magneto-optical, xws li yttrium hlau garnet thiab tsawg lub ntiaj teb hlau garnet crystals.Feem ntau hais lus, cov muaju uas zoo dua magneto-optical zog yog ferromagnetic thiab ferrimagnetic crystals, xws li EuO thiab EuS yog ferromagnets, yttrium hlau garnet thiab bismuth doped tsawg ntiaj teb hlau garnet yog ferrimagnets.Tam sim no, ob hom siv lead ua no feem ntau yog siv, tshwj xeeb tshaj yog ferrous magnetic crystals.
Tsis tshua muaj ntiaj teb hlau garnet magneto-optical khoom
1. Cov yam ntxwv ntawm lub ntiaj teb tsis tshua muaj hlau garnet magneto-optical cov ntaub ntawv
Garnet hom ferrite cov ntaub ntawv yog ib hom tshiab ntawm cov khoom sib nqus uas tau tsim sai heev nyob rau niaj hnub no.Qhov tseem ceeb tshaj plaws ntawm lawv yog lub ntiaj teb tsis tshua muaj hlau garnet (tseem hu ua magnetic garnet), feem ntau hu ua RE3Fe2Fe3O12 (tuaj yeem raug hu ua RE3Fe5O12), qhov twg RE yog yttrium ion (qee qhov kuj tau doped nrog Ca, Bi plasma), Fe. Cov ions hauv Fe2 tuaj yeem hloov tau los ntawm In, Se, Cr plasma, thiab Fe ions hauv Fe tuaj yeem hloov tau los ntawm A, Ga plasma.Muaj tag nrho ntawm 11 hom ntawm tib lub ntiaj teb tsis tshua muaj hlau garnet uas tau tsim los txog tam sim no, nrog rau feem ntau yog Y3Fe5O12, abbreviated li YIG.
2. Yttrium hlau garnet magneto-optical khoom
Yttrium hlau garnet (YIG) tau pom thawj zaug los ntawm Tswb Corporation hauv xyoo 1956 raws li ib qho siv lead ua uas muaj zog magneto-optical teebmeem.Magnetized yttrium hlau garnet (YIG) muaj qhov sib nqus poob ntau qhov kev txiav txim siab qis dua li lwm cov ferrite nyob rau hauv qhov chaw siab tshaj plaws, ua rau nws siv dav hauv cov ntaub ntawv khaws cia.
3. High Doped Bi Series Rare Earth Iron Garnet Magneto Optical Materials
Nrog rau kev txhim kho ntawm optical kev sib txuas lus thev naus laus zis, cov kev xav tau rau cov ntaub ntawv xa mus tau zoo thiab muaj peev xwm kuj tau nce ntxiv.Los ntawm kev xav ntawm cov ntaub ntawv tshawb fawb, nws yog ib qho tsim nyog los txhim kho kev ua haujlwm ntawm magneto-optical cov ntaub ntawv raws li lub hauv paus ntawm kev sib cais, kom lawv Faraday rotation muaj ib tug me me kub coefficient thiab loj wavelength stability, nyob rau hauv thiaj li yuav txhim kho cov stability ntawm cov cuab yeej cais tawm. kub thiab wavelength hloov.High doped Bi ion series tsis tshua muaj lub ntiaj teb hlau garnet ib leeg muaju thiab nyias zaj duab xis tau dhau los ua qhov tseem ceeb ntawm kev tshawb fawb.
Bi3Fe5O12 (BiG) ib leeg siv lead ua nyias zaj duab xis coj kev cia siab rau txoj kev loj hlob ntawm kev sib xyaw me me magneto optical isolators.Xyoo 1988, T Kouda et al.tau txais Bi3FesO12 (BiIG) ib leeg siv lead ua nyias zaj duab xis thawj zaug siv cov tshuaj reactive plasma sputtering deposition method RIBS (reaction lon taum sputtering).Tom qab ntawd, Tebchaws Asmeskas, Nyiv, Fabkis, thiab lwm tus tau ua tiav tau Bi3Fe5O12 thiab siab Bi doped tsawg lub ntiaj teb hlau garnet magneto-optical films siv ntau txoj kev.
4. Ce doped tsawg lub ntiaj teb hlau garnet magneto-optical cov ntaub ntawv
Piv nrog rau cov khoom siv feem ntau xws li YIG thiab GdBiIG, Ce doped tsis tshua muaj lub ntiaj teb hlau garnet (Ce: YIG) muaj cov yam ntxwv ntawm Faraday rotation lub kaum sab xis loj, tsis tshua muaj kub coefficient, tsis tshua muaj nqus, thiab tus nqi qis.Tam sim no nws yog hom tshiab tshaj plaws ntawm Faraday rotation magneto-optical khoom.
Daim ntawv thov ntawm Rare Earth Magneto Optic Materials
Magneto optical siv lead ua cov ntaub ntawv muaj qhov tseem ceeb ntshiab Faraday nyhuv, tsis tshua muaj kev nqus coefficient ntawm wavelengths, thiab siab magnetization thiab permeability.Feem ntau yog siv rau hauv kev tsim cov khoom siv kho qhov muag, cov khoom siv kho qhov muag tsis sib xws, cov khoom siv kho qhov muag magneto thiab magneto optical modulators, fiber ntau optic kev sib txuas lus thiab cov khoom siv kho qhov muag, khoos phis tawj cia, kev ua haujlwm thiab kev sib kis, magneto optical displays, magneto optical kaw, cov khoom siv microwave tshiab , laser gyroscopes, thiab lwm yam. Nrog rau kev tshawb nrhiav tsis tu ncua ntawm cov khoom siv hluav taws xob magneto-optical siv lead ua, ntau yam khoom siv uas tuaj yeem siv tau thiab tsim khoom yuav nce ntxiv.
(1) Optical isolator
Hauv cov tshuab kho qhov muag xws li kev sib txuas lus fiber ntau optic, muaj lub teeb uas rov qab mus rau qhov chaw laser vim yog qhov cuam tshuam ntawm ntau yam khoom hauv txoj kev kho qhov muag.Lub teeb no ua rau lub teeb pom kev siv lub teeb ntawm laser qhov chaw tsis ruaj khov, ua rau lub suab nrov nrov, thiab txo qis kev sib kis tau zoo thiab kev sib txuas lus ntawm cov teeb liab hauv kev sib txuas lus fiber ntau, ua rau lub tshuab kho qhov muag tsis ruaj khov hauv kev ua haujlwm.Ib qho kev cais kho qhov muag yog ib qho khoom siv kho qhov muag tsis pom kev uas tsuas yog tso cai rau lub teeb unidirectional kom dhau mus, thiab nws txoj haujlwm ua haujlwm yog raws li qhov tsis sib xws ntawm Faraday kev sib hloov.Lub teeb pom kev los ntawm fiber ntau optic echoes tuaj yeem raug cais zoo los ntawm cov khoom siv kho qhov muag.
(2) Magneto optic tam sim no tester
Txoj kev loj hlob sai ntawm kev lag luam niaj hnub tau muab cov kev xav tau siab dua rau kev sib kis thiab kev tshawb pom ntawm cov phiaj xwm hluav taws xob, thiab cov qauv siv hluav taws xob thiab cov kev ntsuas siab tam sim no yuav ntsib cov teeb meem loj.Nrog rau kev txhim kho fiber ntau optic technology thiab cov khoom siv science, magneto-optical testers tau txais kev saib xyuas thoob plaws vim lawv cov rwb thaiv tsev zoo heev thiab muaj peev xwm tiv thaiv kev cuam tshuam, kev ntsuas siab, qhov yooj yim miniaturization, thiab tsis muaj peev xwm tawg.
(3) Microwave ntaus ntawv
YIG muaj cov yam ntxwv ntawm nqaim ferromagnetic resonance kab, ntom qauv, zoo kub stability, thiab me me yam ntxwv electromagnetic poob ntawm high zaus.Cov yam ntxwv no ua rau nws tsim nyog rau kev ua ntau yam khoom siv microwave xws li high-frequency synthesizers, bandpass filters, oscillators, AD tuning drivers, thiab lwm yam. Nws tau siv dav hauv microwave zaus band hauv qab X-ray band.Tsis tas li ntawd, magneto-optical crystals kuj tuaj yeem ua rau hauv cov khoom siv magneto-optical xws li lub nplhaib zoo li cov khoom siv thiab cov duab magneto-optical.
(4) Magneto optical nco
Nyob rau hauv cov ntaub ntawv ua technology, magneto-optical media yog siv los kaw thiab khaws cov ntaub ntawv.Magneto kho qhov muag cia yog tus thawj coj hauv kev cia khoom kho qhov muag, nrog rau cov yam ntxwv ntawm lub peev xwm loj thiab pub dawb hloov pauv ntawm qhov muag kho qhov muag, nrog rau qhov zoo ntawm kev rov sau dua ntawm cov khoom sib nqus thiab qhov nruab nrab nkag tau nrawm zoo ib yam li cov hlau nplaum nyuaj.Tus nqi kev ua tau zoo piv yuav yog tus yuam sij rau seb magneto optical disks tuaj yeem coj txoj hauv kev.
(5) TG ib leeg siv lead ua
TGG yog siv lead ua tsim los ntawm Fujian Fujiing Technology Co., Ltd. (CASTECH) nyob rau hauv 2008. Nws lub ntsiab zoo: TGG ib leeg siv lead ua muaj ib tug loj magneto-optical tas li, siab thermal conductivity, tsis tshua muaj optical poob, thiab siab laser puas pib, thiab yog dav siv nyob rau hauv ntau theem amplification, nplhaib, thiab noob txhaj lasers xws li YAG thiab T-doped sapphire
Post lub sij hawm: Aug-16-2023