Izinto ezibonakalayo zemagneto zomhlaba ezinqabileyo
Izixhobo zokukhanya zeMagneto zibhekisa kulwazi olubonakalayo lwezixhobo ezisebenzayo ezineziphumo zemagneto optical kwi-ultraviolet ukuya kwiibhendi ze-infrared. Izinto ezinqabileyo zomhlaba zemagneto optical luhlobo olutsha lwezixhobo zokukhanya ezisebenzayo ezinokuthi zenziwe zibe zizixhobo ezibonakalayo ezinemisebenzi eyahlukeneyo ngokusebenzisa iipropathi zazo zemagneto kunye nokunxibelelana kunye nokuguqulwa kokukhanya, umbane, kunye nemagnethi. Ezinje ngeemodyuli, ii-isolators, ii-circulators, i-magneto-optical switch, i-deflectors, i-smodule shifters, i-optical information processors, imiboniso, iinkumbulo, izibuko ze-laser gyro bias, i-magnetometers, izinzwa zemagneto-optical, oomatshini bokushicilela, abashicileli bevidiyo, oomatshini bokuqaphela ipateni, iidiski zamehlo. , izikhokelo zamaza optical, njl.
Umthombo we-Rare Earth Magneto Optics
Iinto yomhlaba enqabileyoyenza umzuzu wemagnethi ongalungiswanga ngenxa yomaleko we-electron ongagcwaliswanga we-4f, ongumthombo wobuzibuthe obuqinileyo; Ngexesha elifanayo, kunokukhokelela ekutshintsheni kwe-electron, eyona nto ibangela ukutshatyalaliswa kokukhanya, okukhokelela kwimiphumo enamandla ye-magneto optical.
Iintsimbi ezicocekileyo zomhlaba ezinqabileyo azibonisi iziphumo ezinamandla zemagneto optical. Kuphela kuxa izinto ezinqabileyo zomhlaba zifakwe kwizinto ezibonakalayo ezifana neglasi, iikristale ezidibeneyo, kunye neefilimu zealloy, apho kuya kuvela impembelelo enamandla yemagneto-optical yezinto ezinqabileyo zomhlaba. Izinto ezisetyenziswa ngokuqhelekileyo zemagneto-optical zizinto zeqela lenguqu ezifana (REBi) 3 (FeA) 5O12 iikristale zegarnet (izinto zetsimbi ezifana ne-A1, Ga, Sc, Ge, In), RETM amorphous films (Fe, Co, Ni, Mn ), kunye neeglasi zomhlaba ezinqabileyo.
Ikristale yeMagneto optical
Iikristale zeMagneto optic zizixhobo zekristale ezineziphumo zemagneto optic. Impembelelo ye-magneto-optical ihambelana ngokusondeleyo kwi-magnetism ye-crystal materials, ngokukodwa amandla ombane wezinto eziphathekayo. Ke ngoko, ezinye izixhobo zemagnethi ezigqwesileyo zihlala zizixhobo zemagneto-optical ezineempawu ezibalaseleyo zemagneto-optical, ezinje ngegarnet yentsimbi yeyttrium kunye neekristale zentsimbi yomhlaba enqabileyo. Ngokubanzi, iikristale ezineepropathi ezingcono zemagneto-optical ziziikristale ze-ferromagnetic kunye ne-ferrimagnetic, ezifana ne-EuO kunye ne-EuS ngokuba zii-ferromagnets, i-yttrium iron garnet kunye ne-bismuth doped enqabileyo ye-iron garnet yomhlaba ibe yi-ferrimagnets. Okwangoku, ezi ntlobo zimbini zeekristale zisetyenziswa ikakhulu, ngakumbi iikristale ezinozibuthe.
Izinto ezinqabileyo zomhlaba zentsimbi yegarnet yimagneto-optical material
1. Iimpawu zesakhiwo se-iron yomhlaba enqabileyo ye-garnet ye-magneto-optical materials
Izinto ze-ferrite zodidi lwe-garnet luhlobo olutsha lwezinto eziphathekayo eziye zaphuhliswa ngokukhawuleza kwixesha langoku. Eyona ibalulekileyo kuzo yintsimbi enqabileyo yomhlaba igarnet (ekwaziwa ngokuba yimagnethi yemagnethi), eqhele ukubizwa ngokuba yiRE3Fe2Fe3O12 (inokushunqulwa njenge RE3Fe5O12), apho iRE yiyttrium ion (ezinye zikwafakwe neCa, Bi plasma), Fe. I-ion kwi-Fe2 inokutshintshwa ngu-In, Se, Cr plasma, kunye ne-Fe ion kwi-Fe inokutshintshwa ngu-A, i-Ga plasma. Kukho iindidi ezili-11 zizonke zentsimbi enqabileyo yomhlaba enye yegarnet esele ivelisiwe ukuza kuthi ga ngoku, eyona iqhelekileyo yiY3Fe5O12, efinyeziweyo njenge-YIG.
2. Yttrium iron garnet magneto-optical material
I-Yttrium iron garnet (YIG) yafunyanwa okokuqala yi-Bell Corporation kwi-1956 njengekristale enye enemiphumo enamandla ye-magneto-optical. Magnetized yttrium iron garnet (YIG) inokulahleka kwamagnetic imiyalelo emininzi yobukhulu obuphantsi kunayo nayiphi na enye i-ferrite kwi-ultra-high frequency field, eyenza ukuba isetyenziswe ngokubanzi njengento yokugcina ulwazi.
3. High Doped Bi Series Rare Earth Iron Garnet Magneto Materials Optical
Ngophuhliso lobuchwepheshe bonxibelelwano lwamehlo, iimfuno zokuhanjiswa kolwazi umgangatho kunye nomthamo nazo zonyukile. Ngokombono wophando lwezinto eziphathekayo, kuyafuneka ukuba kuphuculwe ukusebenza kwezixhobo zemagnethi-optical njengondoqo we-isolators, ukuze ukujikeleza kwabo kweFaraday kube ne-coefficient encinci yobushushu kunye nozinzo olukhulu lwamaza, ukuze kuphuculwe uzinzo lokuhlukaniswa kwesixhobo ngokuchasene. ubushushu kunye notshintsho lwamaza. Uthotho lwe-doped ye-Bi ion ephezulu enqabileyo yomhlaba i-iron garnet iikristale enye kunye neefilimu ezincinci ziye zaba yinto ekugxilwe kuyo kuphando.
I-Bi3Fe5O12 (BiG) ifilimu enye yekristale ebhityileyo izisa ithemba kuphuhliso lwee-isolator ezincinci ezidibeneyo zemagneto. Kwi-1988, uT Kouda et al. ifunyenwe i-Bi3FesO12 (BiIG) iifilimu zekristale enye ebhityileyo okokuqala ngqa zisebenzisa iplasma esebenzayo ye-sputtering deposition method RIBS (i-reaction lon bean sputtering). Emva koko, i-United States, iJapan, iFransi, kunye nabanye ngempumelelo bafumana i-Bi3Fe5O12 kunye ne-Bi ephezulu enqabileyo yomhlaba i-iron garnet ye-magneto-optical films usebenzisa iindlela ezahlukeneyo.
4. Ce doped umhlaba onqabileyo intsimbi garnet imathiriyeli kazibuthe-optical
Xa kuthelekiswa nezinto ezisetyenziswa ngokuqhelekileyo ezifana ne-YIG kunye ne-GdBiIG, i-Ce doped i-rare earth iron garnet (Ce: YIG) ineempawu ze-angle yokujikeleza ye-Faraday enkulu, i-coefficient yokushisa ephantsi, i-absorption ephantsi, kunye neendleko eziphantsi. Okwangoku lolona hlobo luthembisayo olutsha lweFaraday rotation magneto-optical material.
Ukusetyenziswa kwezinto ezinqabileyo zeMagneto Optic
Izixhobo zekristale yeMagneto zinefuthe elibalulekileyo leFaraday, i-coefficient ephantsi yokufunxa kubude bamaza, kunye nemagneti ephezulu kunye nokungena. Isetyenziswa kakhulu kwimveliso ye-isolators yamehlo, i-optical non reciprocal components, imemori yemagneto optical kunye nemagneto optical modulators, unxibelelwano lwefiber optic kunye nezixhobo ezidibeneyo zamehlo, ukugcinwa kwekhompyuter, ukusebenza kwengqondo kunye nemisebenzi yokuhambisa, imiboniso yemagneto optical, ukurekhodwa kwemagneto optical, izixhobo ezitsha zemicrowave. , i-laser gyroscopes, njl.njl. Ngokufunyanwa okuqhubekayo kwezinto zekristale zemagneto-optical, uluhlu lwe izixhobo ezinokuthi zisetyenziswe kwaye zenziwe ziya kwanda.
(1) Isihlukanisi samehlo
Kwiinkqubo ze-optical ezifana nonxibelelwano lwe-fiber optic, kukho ukukhanya okubuyela kumthombo we-laser ngenxa yembonakalo yobuso bezinto ezahlukeneyo kwindlela yokubona. Oku kukhanya kwenza ukukhanya okuphumayo komthombo we-laser kungazinzi, kubangela ingxolo ye-optical, kunye nokunciphisa kakhulu umthamo wokuhambisa kunye nomgama wonxibelelwano wemiqondiso kunxibelelwano lwe-fiber optic, okwenza inkqubo ye-optical ingazinzi ekusebenzeni. I-optical isolator sisixhobo esibonakalayo esivumela ukukhanya kwe-unidirectional kuphela ukuba kudlule, kwaye umgaqo wayo wokusebenza usekwe kwi-non-reciprocity ye-Faraday rotation. Ukukhanya okubonakaliswa nge-fiber optic echoes kunokwahlulwa kakuhle zii-optical isolator.
(2) Umvavanyi wangoku weMagneto optic
Uphuhliso olukhawulezayo loshishino lwanamhlanje lubeke phambili iimfuno eziphezulu zokusasazwa kunye nokuchongwa kweegridi zamandla, kwaye iindlela zemveli eziphezulu zombane kunye neendlela eziphezulu zangoku ziya kujongana nemingeni enzima. Ngophuhliso lwetekhnoloji yefiber optic kunye nesayensi yezinto, abavavanyi bangoku bemagneto-optical bafumene ingqwalasela ebanzi ngenxa yokugquma kwabo okugqwesileyo kunye namandla okuchasana nokuphazamiseka, ukuchaneka komlinganiso ophezulu, i-miniaturization elula, kwaye akukho bungozi bokuqhuma.
(3) Isixhobo seMicrowave
I-YIG ineempawu zomgca omxinwa we-ferromagnetic resonance, ubume obuxineneyo, uzinzo olulungileyo lobushushu, kunye neempawu ezincinci zokulahleka kwe-electromagnetic kumaza aphezulu. Ezi mpawu zenza ukuba zilungele ukwenza izixhobo ezahlukeneyo ze-microwave ezifana ne-high-frequency synthesizers, i-bandpass filters, i-oscillators, i-AD tuning drivers, njl njl. Isetyenziswe ngokubanzi kwi-microwave frequency band ngaphantsi kwe-X-ray band. Ukongeza, iikristale zemagneto-optical zisenokwenziwa zibe zizixhobo zemagneto-optical ezifana nezixhobo ezimile njengesangqa kunye neziboniso zemagneto-optical.
(4) Inkumbulo yemagnethi yamehlo
Kwitekhnoloji yokucubungula ulwazi, imidiya yemagneto-optical isetyenziselwa ukurekhoda nokugcina ulwazi. Ugcino lweMagneto optical yinkokeli kugcino lwamehlo, eneempawu zomthamo omkhulu kunye nokutshintsha simahla kogcino lwamehlo, kunye neengenelo zokubhala kwakhona okucimayo kogcino lwemagnethi kunye nesantya esiphakathi sokufikelela esifana nemagnethi hard drives. Umlinganiselo wokusebenza kweendleko uya kuba sisitshixo sokuba iidisks zemagneto optical zingakhokelela indlela.
(5) TG ikristale enye
I-TGG yikristale ephuhliswe nguFujian Fujing Technology Co., Ltd. (CASTECH) ngo-2008. Iinzuzo zayo eziphambili: I-crystal ye-TGG enye ine-magneto-optical constant, i-thermal conductivity ephezulu, ilahleko ephantsi ye-optical loss, kunye ne-high laser threshold umonakalo, kunye isetyenziswa ngokubanzi kumanqanaba amaninzi, umsesane, kunye ne-laser yesitofu sembewu njenge-YAG kunye ne-T-doped sapphire.
Ixesha lokuposa: Aug-16-2023