Mea mata'utia magneto mata'utia eleele
O mea fa'apitoa fa'amagneto e fa'asino i mea fa'atino fa'amatalaga fa'apitoa fa'atasi ma a'afiaga fa'amaneta i le ultraviolet i fusi fa'aala. Rare earth magneto opitika mea ose ituaiga fou o faʻamatalaga faʻamatalaga faʻaogaina mea e mafai ona faia i masini faʻapipiʻi ma galuega eseese e ala i le faʻaaogaina o latou mea faʻapitoa magneto ma le fegalegaleaiga ma le liua o le malamalama, eletise, ma le magnetism. E pei o modulators, isolators, circulators, maneta-optical switchs, deflectors, phase shifters, optical information processors, faʻaaliga, manatuaga, laser gyro bias mirrors, magnetometers, magneto-optical sensors, masini lomitusi, vitiō puʻeina, masini iloa mamanu, tisiketi mata. , ta'iala fa'afefete, ma isi.
Le Puna o Mata'utia Magneto Mata'utia
O leelemene eleele seaseafa'atupuina se taimi maneta e le'i fa'asa'oina ona o le fa'aeletonika 4f e le'i fa'atumuina, o le puna lea o le maneta malosi; I le taimi lava e tasi, e mafai foi ona taʻitaʻia ai suiga eletise, o le mafuaʻaga lea o le faʻafefe o le malamalama, e oʻo atu ai i le malosi o le magneto optical effects.
O u'amea eleelea mama e le fa'aalia le malosi o le magneto opitika. Se'i vagana ua fa'apipi'i elemene o le eleele e le masani ai i mea fa'apitoa e pei o tioata, tioata fa'afefiloi, ma ata fa'afefiloi, ona fa'aalia lea o le malosi o le magneto-optical o elemene o le eleele. O mea e masani ona faʻaaogaina magneto-optical o elemene vaega suiga e pei ole (REBi) 3 (FeA) 5O12 tioata garnet (elemene uʻamea e pei o A1, Ga, Sc, Ge, In), RETM ata tifaga (Fe, Co, Ni, Mn). ), ma matatioata e le masani ai.
Maneta tioata tioata
O tioata fa'amaneta o mea tioata fa'atasi ma a'afiaga fa'amaneta. O le magneto-optical aafiaga e vavalalata vavalalata ma le magnetism o mea tioata, aemaise lava le malosi magnetization o mea. O le mea lea, o nisi mea maneta sili ona lelei e masani lava o mea magneto-optical ma mea sili magneto-optical, e pei o le yttrium iron garnet ma seasea eleele uʻamea tioata garnet. I le tulaga lautele, o tioata e sili atu le magneto-optical meatotino o tioata ferromagnetic ma ferrimagnetic, e pei o EuO ma EuS o ferromagnets, yttrium iron garnet ma bismuth doped rare earth iron garnet o ferrimagnets. I le taimi nei, o nei ituaiga tioata e lua e masani ona faʻaaogaina, aemaise lava tioata mageta ferrous.
Mea maneta-optical uʻamea eleele uʻamea garnet mea
1. Uiga fa'avae o mea e seasea ona maua i le eleele u'amea garnet magneto-optical mea
Garnet type ferrite meamea o se ituaiga fou o mea maneta ua vave ona atiina ae i aso nei. O le mea pito sili ona taua o ia mea o le uʻamea uʻamea e le masani ai (lea e taʻua o le mageta garnet), e masani ona taʻua o RE3Fe2Fe3O12 (e mafai ona faʻapuʻupuʻu o RE3Fe5O12), lea o le RE o se yttrium ion (o nisi o loʻo doped ma Ca, Bi plasma), Fe. ions i Fe2 e mafai ona suia e In, Se, Cr plasma, ma Fe ions i Fe e mafai ona suia e A, Ga plasma. E i ai le aofa'iga o ituaiga 11 u'amea u'amea e tasi e le masani ai na gaosia i le taimi nei, ma le sili ona masani o le Y3Fe5O12, fa'apu'upu'u YIG.
2. Yttrium iron garnet magneto-optical meafaitino
O le Yttrium iron garnet (YIG) na maua muamua e le Bell Corporation i le 1956 o se tioata e tasi ma le malosi magneto-optical aafiaga. Magnetized yttrium iron garnet (YIG) o lo'o i ai le gau fa'amaneta e tele fa'atonuga o le tele e maualalo ifo nai lo so'o se isi ferrite i le ultra-high frequency field, ma fa'aaogaina lautele e fai ma mea e teu ai fa'amatalaga.
3. High Doped Bi Series Rare Earth Iron Garnet Magneto Optical Materials
Faatasi ai ma le atinaʻeina o tekonolosi fesoʻotaʻiga faʻapitoa, o manaʻoga mo le tuʻuina atu o faʻamatalaga lelei ma le gafatia ua faʻateleina foi. Mai le vaaiga o suʻesuʻega meafaitino, e manaʻomia le faʻaleleia atili o le faʻatinoga o mea magneto-optical e pei o le totonugalemu o mea faʻapitoa, ina ia latou Faraday rotation ei ai se laʻititi o le vevela ma le maualuga o le galu, ina ia faʻaleleia ai le mautu o le vavaeeseina o masini. suiga o le vevela ma le umi o galu. High doped Bi ion series rare earth iron garnet tioata tasi ma ata manifinifi ua avea ma taulaiga o suesuega.
Bi3Fe5O12 (BiG) ata tifaga manifinifi tioata tasi e aumaia ai le faamoemoe mo le atinaʻeina o mea faʻapipiʻi faʻapipiʻi faʻapipiʻi faʻapitoa. I le 1988, T Kouda et al. maua mai le Bi3FesO12 (BiIG) ata tifaga manifinifi tioata tasi mo le taimi muamua i le faaaogaina o le plasma reactive sputtering deposition method RIBS (rection lon sputtering pi). Mulimuli ane, na maua manuia e le Iunaite Setete, Iapani, Farani, ma isi Bi3Fe5O12 ma maualuga Bi doped eleele uʻamea garnet magneto-optical ata tifaga e faaaoga ai auala eseese.
4. Ce doped mea seasea eleele uʻamea garnet magneto-optical mea
Faʻatusatusa i mea masani faʻaaogaina e pei o YIG ma GdBiIG, Ce doped seasea eleele uʻamea garnet (Ce: YIG) o loʻo i ai uiga o le tele Faraday rotation angle, maualalo le vevela coefficient, maualalo absorption, ma tau maualalo. Ole taimi nei ole ituaiga fou fou ole Faraday rotation magneto-optical material.
Fa'aaogāga o Mea Mata'utia Mata'utia Fa'alelalolagi
Magneto mea tioata tioata e i ai se aafiaga mama Faraday mama, maualalo absorption coefficient i galu umi, ma magnetization maualuga ma permeability. E masani ona faʻaaogaina i le gaosiga o mea faʻapipiʻi faʻapitoa, mea faʻapitoa e le faʻafeiloaʻi, maneta optic memory ma magneto optical modulators, fiber optic fesoʻotaʻiga ma masini faʻapipiʻi tuʻufaʻatasia, teuina komepiuta, faʻaogaina faʻaogaina ma felauaiga galuega, faʻaaliga opitika magneto, faʻamaumauga opitika magneto, masini microwave fou. , laser gyroscopes, ma isi. Faatasi ai ma le faʻaauauina o le mauaina o mea tioata magneto-optical, o le tele o masini e mafai ona faʻaogaina ma gaosia o le a faʻateleina foi.
(1) Va'aiga fa'apitoa
I faiga fa'apitoa e pei o feso'ota'iga fiber optic, o lo'o i ai le malamalama e toe fo'i atu i le fa'apogai o le laser ona o foliga fa'afoliga o vaega 'ese'ese i le ala opitika. O lenei moli e mafua ai le le mautonu o le malamalama o le puna laser, mafua ai le pisapisao, ma faʻatapulaʻaina le gafatia o le felauaiga ma le mamao o fesoʻotaʻiga o faʻailoga i fesoʻotaʻiga fiber optic, ma faʻalavelave ai le faʻaogaina o le masini. O se mea fa'apitoa fa'apitoa o se masini fa'apipi'i fa'atosina e na'o le malamalama e tasi e ui atu ai, ma o lona ta'iala galue e fa'avae i luga o le le fa'atusaina o Faraday rotation. O le malamalama o lo'o fa'aalia e ala i le fiber optic echo e mafai ona fa'amama lelei e ala i mea fa'apitoa.
(2) Magneto optic su'ega i le taimi nei
O le televave o le atinaʻeina o alamanuia faʻaonaponei ua tuʻuina atu i luma manaʻoga maualuga mo le faʻasalalauina ma le suʻesuʻeina o laina eletise, ma masani masani maualuga-voltage ma fua maualuga o loʻo iai nei o le a feagai ma luitau ogaoga. Faatasi ai ma le atinaʻeina o tekinolosi fiber optic ma mea faʻasaienisi, magneto-optical suʻega o loʻo i ai nei ua maua le faʻalauteleina o le gauai ona o lo latou faʻaogaina lelei ma le faʻalavelave faʻalavelave, maualuga le saʻo o fua, faigofie miniaturization, ma e leai se lamatiaga o le pa.
(3) Masini microwave
YIG ei ai uiga o le vaapiapi ferromagnetic resonance laina, mafiafia le fausaga, lelei le mautu o le vevela, ma le itiiti lava uiga electromagnetic gau i laina maualuga. O nei uiga e talafeagai mo le faia o masini microwave eseese e pei o le maualuga-telefoni synthesizers, bandpass filiga, oscillators, AD tuning aveta'avale, ma isi. Ua masani ona faʻaaogaina i le microwave faʻaupu faʻapipiʻi i lalo ole X-ray band. E le gata i lea, o tioata magneto-optical e mafai foi ona faia i masini magneto-optical e pei o masini mama ma faʻaaliga magneto-optical.
(4) Magneto optical memory
I faʻamatalaga faʻamatalaga tekonolosi, faʻasalalauga magneto-optical e faʻaaogaina mo le pueina ma le teuina o faʻamatalaga. Magneto optical storage o le taʻitaʻi i le teuina o mata, faatasi ai ma uiga o le tele o le gafatia ma le fesuiaʻi fua o le teuina o mata, faʻapea foʻi ma le lelei o le toe tusi solo o le teuina o le mageta ma le saoasaoa o le avanoa e tutusa ma masini malo. Ole fua fa'atatau ole tau ole ki lea pe mafai ona ta'ita'ia e tisiketi fa'a magneto le ala.
(5) TG tioata tasi
TGG o se tioata atiina ae e Fujian Fujing Tekonolosi Co., Ltd. (CASTECH) i le 2008. O ona tulaga lelei autu: TGG tioata tasi o loʻo i ai se magneto-optical faifaipea tele, conductivity vevela maualuga, gau opitika maualalo, ma maualuga leisa faaleagaina faitotoa, ma e faʻaaogaina lautele i le tele-tulaga faʻalauteleina, mama, ma fatu tui lasers pei ole YAG ma T-doped safaira
Taimi meli: Aukuso-16-2023