Izinto ezibonakalayo ze-magneto optical zomhlaba ezingavamile
Izinto ezibonakalayo ze-Magneto zibhekisela kulwazi olubonakalayo lwezinto zokusebenza ezinemiphumela ye-magneto optical ku-ultraviolet kuya kumabhendi we-infrared. Izinto ezibonakalayo ze-magneto optical zomhlaba ezingavamile ziwuhlobo olusha lwezinto ezisebenzayo zokwaziswa okubonakalayo ezingenziwa zibe amadivaysi optical anemisebenzi ehlukahlukene ngokusebenzisa izakhiwo zawo ze-magneto optical kanye nokuxhumana nokuguqulwa kokukhanya, ugesi, kanye ne-magnetism. Okufana nama-modulators, ama-isolators, ama-circulator, ama-switch magneto-optical, ama-deflectors, ama-shifters esigaba, ama-optical information processors, izibonisi, izinkumbulo, izibuko ze-laser gyro bias, ama-magnetometers, izinzwa zemagneto-optical, imishini yokuphrinta, iziqophi zevidiyo, imishini yokuqaphela iphethini, ama-optical discs. , amagagasi okukhanya, njll.
Umthombo we-Rare Earth Magneto Optics
Iisici somhlaba esingavamileikhiqiza umzuzu kazibuthe ongalungisiwe ngenxa yongqimba lwe-electron olungagcwalisiwe lwe-4f, okuwumthombo wokuqina kazibuthe; Ngesikhathi esifanayo, kungase futhi kuholele ekushintsheni kwe-electron, okuyimbangela yokukhanya okukhanyayo, okuholela emiphumeleni eqinile ye-magneto optical.
Izinsimbi ezihlanzekile zomhlaba ezingavamile azibonisi imiphumela eqinile ye-magneto optical. Kuphela uma izakhi zomhlaba ezingavamile zifakwa ezintweni ezibonakalayo njengengilazi, amakristalu ayinhlanganisela, namafilimu engxubevange, lapho kuzovela umphumela oqinile we-magneto-optical wezinto ezingavamile zomhlaba. Izinto ezisetshenziswa kakhulu zikamagneto-optical yizici zeqembu lenguquko ezifana ne-(REBi) 3 (FeA) 5O12 garnet crystals (izakhi zensimbi ezifana ne-A1, Ga, Sc, Ge, In), amafilimu e-RETM amorphous (Fe, Co, Ni, Mn ), nezibuko zomhlaba ezingavamile.
I-Magneto optical crystal
Amakristalu we-Magneto optic ayizinto zekristalu ezinemiphumela ye-magneto optic. Umphumela we-magneto-optical uhlobene eduze ne-magnetism yezinto ze-crystal, ikakhulukazi amandla we-magnetization wezinto ezibonakalayo. Ngakho-ke, ezinye izinto ezinhle kakhulu zikazibuthe zivame ukuba yizibuthe-optical izinto ezinezakhiwo ezinhle kakhulu ze-magneto-optical, njenge-yttrium iron garnet kanye namakristalu e-iron garnet yomhlaba angavamile. Ngokuvamile, amakristalu anezinto ezingcono ze-magneto-optical angamakristalu e-ferromagnetic kanye ne-ferrimagnetic, njenge-EuO ne-EuS ekubeni ama-ferromagnets, i-yttrium iron garnet kanye ne-bismuth doped rare earth iron garnet ekubeni ama-ferrimagnets. Njengamanje, lezi zinhlobo ezimbili zamakristalu zisetshenziswa kakhulu, ikakhulukazi amakristalu kazibuthe ayoni.
Izinto ezingavamile ze-iron garnet ze-magneto-optical
1. Izici zesakhiwo zezinto ezingavamile ze-iron garnet ze-magneto-optical
Izinto ze-ferrite zohlobo lwe-garnet ziwuhlobo olusha lwezinto kazibuthe ezithuthuke ngokushesha ezikhathini zanamuhla. Okubaluleke kakhulu kuzo i-arnet iron garnet yomhlaba (eyaziwa nangokuthi i-magnetic garnet), evame ukubizwa ngokuthi i-RE3Fe2Fe3O12 (ingafushaniswa ngokuthi RE3Fe5O12), lapho i-RE iyi-yttrium ion (ezinye zibuye zifakwe i-Ca, Bi plasma), Fe. Ama-ion ku-Fe2 angathathelwa indawo yi-In, Se, Cr plasma, kanye nama-Fe ions ku-Fe angathathelwa indawo ngu-A, Ga plasma. Kunezinhlobo ezingu-11 eziphelele ze-arnet iron garnet eyodwa engavamile eziye zakhiqizwa kuze kube manje, ejwayeleke kakhulu ukuthi yi-Y3Fe5O12, efushanisiwe njenge-YIG.
2. Yttrium iron garnet magneto-optical impahla
I-Yttrium iron garnet (YIG) yaqala ukutholwa yi-Bell Corporation ngo-1956 njengekristalu eyodwa enemiphumela enamandla ye-magneto-optical. Magnetized yttrium iron garnet (YIG) inokulahlekelwa kazibuthe ama-oda ambalwa obukhulu obuphansi kunanoma iyiphi enye i-ferrite emkhakheni we-ultra-high frequency, okuyenza isetshenziswe kabanzi njengendawo yokugcina ulwazi.
3. High Doped Bi Series Rare Earth Iron Garnet Magneto Optical Materials
Ngokuthuthuka kobuchwepheshe bokuxhumana obubonakalayo, izidingo zekhwalithi yokudlulisa ulwazi namandla nazo ziye zanda. Ngokombono wocwaningo lwezinto ezibonakalayo, kuyadingeka ukuthuthukisa ukusebenza kwe-magneto-optical materials njengengqikithi yezihlukanisi, ukuze ukujikeleza kwabo kwe-Faraday kube ne-coefficient encane yokushisa kanye nokuzinza okukhulu kwe-wavelength, ukuze kuthuthukiswe ukuzinza kokuhlukaniswa kwedivayisi ngokumelene izinga lokushisa kanye nobude beza bushintsha. I-high doped Bi ion series rare earth iron garnet crystals eyodwa namafilimu amancanyana asephenduke into okugxilwe kuyo ocwaningweni.
I-Bi3Fe5O12 (BiG) ifilimu eyodwa encane yekristalu iletha ithemba lokuthuthukiswa kwezihlukanisi ezincane ze-magneto optical ezihlanganisiwe. Ngo-1988, uT Kouda et al. ithole i-Bi3FesO12 (BiIG) amafilimu amancane ayikristalu eyodwa okokuqala ngqa kusetshenziswa indlela yokubeka i-plasma sputtering RIBS (i-reaction lon bean sputtering). Kamuva, i-United States, Japan, France, kanye nabanye bathole ngempumelelo i-Bi3Fe5O12 kanye ne-high Bi doped amafilimu angavamile we-iron garnet magneto-optical esebenzisa izindlela ezihlukahlukene.
4. Ce doped umhlaba ezingavamile iron garnet magneto-optical materials
Uma kuqhathaniswa nezinto ezivame ukusetshenziswa njenge-YIG ne-GdBiIG, i-Ce doped rare earth iron garnet (Ce: YIG) inezici ze-engeli yokuzungezisa ye-Faraday, i-coefficient ephansi yezinga lokushisa, ukumuncwa okuphansi, kanye nezindleko eziphansi. Njengamanje iwuhlobo olusha oluthembisayo kakhulu lwe-Faraday rotation magneto-optical material.
Ukusetshenziswa kwe-Rare Earth Magneto Optic Materials
Izinto zekristalu ye-Magneto optical zinomphumela obalulekile we-Faraday omsulwa, i-coefficient ephansi yokumuncwa kuma-wavelengths, kanye nozibuthe ophezulu kanye nokungeneka. Ikakhulukazi isetshenziswa ekukhiqizeni isolators optical, optical non reciprocal components, magneto optical memory kanye magneto optical modulators, fibre optic communication kanye namadivayisi ahlanganisiwe optical, isitoreji computer, ukusebenza logic kanye transmission imisebenzi, magneto optical display, magneto optical ukuqoshwa, amadivaysi amasha microwave , ama-laser gyroscopes, njll. Ngokutholakala okuqhubekayo kwezinto zekristalu ze-magneto-optical, ububanzi amadivaysi angasetshenziswa futhi akhiqizwe nawo azokwanda.
(1) Isihlukanisi esibonakalayo
Kumasistimu abonakalayo afana nokuxhumana kwe-fiber optic, kukhona ukukhanya okubuyela emthonjeni we-laser ngenxa yezindawo ezikhanyayo zezingxenye ezihlukahlukene endleleni yokubona. Lokhu kukhanya kwenza amandla okukhanya okukhiphayo omthombo we-laser angazinzi, okubangela umsindo obonakalayo, futhi kukhawule kakhulu umthamo wokudlulisela kanye nebanga lokuxhumana lamasignali ekuxhumaneni kwe-fiber optic, okwenza isistimu yokubona ingazinzi ekusebenzeni. I-optical isolator iyisisetshenziswa sokubona esingashintshi esivumela kuphela ukukhanya okungaqondile ukuthi kudlule, futhi isimiso saso sokusebenza sisekelwe ekungabuyiseni kokuzungezisa kwe-Faraday. Ukukhanya okubonakala ngama-fiber optic echoes kungahlukaniswa kahle ngama-optical isolator.
(2) Umhloli wamanje weMagneto optic
Ukuthuthuka okusheshayo kwemboni yesimanje sekubeke phambili izidingo eziphakeme zokudluliswa nokutholwa kwamagridi kagesi, futhi izindlela zendabuko zokulinganisa amandla aphezulu kanye nezindlela zamanje eziphezulu zizobhekana nezinselele ezinzima. Ngokuthuthukiswa kobuchwepheshe be-fiber optic kanye nesayensi yezinto ezibonakalayo, abahloli bamanje be-magneto-optical bathole ukunakwa okubanzi ngenxa yamakhono abo okufakelwa ama-anti-interference, ukunemba okuphezulu kokulinganisa, ukwenza okuncane okulula, futhi azikho izingozi ezingase ziqhume.
(3) Idivayisi ye-Microwave
I-YIG inezici zomugqa omncane we-ferromagnetic resonance, ukwakheka okuminyene, ukuzinza okuhle kwezinga lokushisa, kanye nokulahleka okuncane kakhulu kwesici sikagesi kumafrikhwensi aphezulu. Lezi zici ziyenza ifaneleke ukwenza amadivaysi e-microwave ahlukahlukene njengama-high-frequency synthesers, izihlungi ze-bandpass, ama-oscillator, izishayeli zokushuna ze-AD, njll. Isetshenziswe kabanzi kubhendi yefrikhwensi ye-microwave ngaphansi kwebhendi ye-X-ray. Ngaphezu kwalokho, amakristalu e-magneto-optical angenziwa futhi abe amadivaysi e-magneto-optical njengamadivayisi amise okwendandatho kanye nezibonisi ze-magneto-optical.
(4) Inkumbulo ye-Magneto optical
Kubuchwepheshe bokucubungula ulwazi, imidiya ye-magneto-optical isetshenziselwa ukurekhoda nokugcina ulwazi. I-Magneto optical storage ingumholi ekugcineni kwe-optical, enezici zomthamo omkhulu kanye nokushintshaniswa kwamahhala kwesitoreji esibonayo, kanye nezinzuzo zokubhala kabusha okusulelekayo kokugcinwa kazibuthe kanye nesivinini sokufinyelela esimaphakathi esifana namadrayivu aqinile kazibuthe. Isilinganiso sokusebenza kwezindleko sizoba yisihluthulelo sokuthi i-magneto optical disks ingahola indlela.
(5) TG ikristalu eyodwa
I-TGG iyikristalu eyakhiwe yi-Fujian Fujing Technology Co., Ltd. (CASTECH) ngo-2008. Izinzuzo zayo eziyinhloko: Ikristalu eyodwa ye-TGG ine-magneto-optical engaguquki enkulu, i-thermal conductivity ephezulu, ukulahlekelwa okubonakalayo okuphansi, kanye nomkhawulo wokulimala kwe-laser ephezulu, kanye isetshenziswa kakhulu ekukhuliseni amazinga amaningi, indandatho, kanye namalaser omjovo wembewu njenge-YAG ne-T-doped sapphire.
Isikhathi sokuthumela: Aug-16-2023