Rare duniya magneto Optical kayan
Abubuwan gani na Magneto suna nufin kayan aikin bayanan gani tare da tasirin gani na magneto a cikin ultraviolet zuwa infrared bands. Rare earth magneto Optical kayan sabon nau'in kayan aikin bayanan gani ne waɗanda za'a iya sanya su su zama na'urori masu gani tare da ayyuka daban-daban ta amfani da kaddarorinsu na gani na magneto da hulɗa da jujjuyawar haske, wutar lantarki, da maganadisu. Kamar su modulators, isolators, circulators, magneto-optical switches, deflectors, phase shifters, Optical information processor, nuni, memories, Laser gyro bias madubi, magnetometer, magneto-optical firikwensin, bugu inji, masu rikodin bidiyo, na'urorin gane alamu, na gani fayafai. , Na gani waveguides, da dai sauransu.
Tushen Rare Duniya Magneto Optics
Therare earth elementyana haifar da lokacin maganadisu da ba a gyara ba saboda ƙarancin lantarki na 4f wanda ba a cika ba, wanda shine tushen ƙarfin maganadisu; A lokaci guda kuma, yana iya haifar da sauye-sauye na lantarki, wanda shine dalilin tashin hankali, yana haifar da tasirin magneto mai karfi.
Ƙarfashin ƙasa da ba kasafai ba sa yin tasiri mai ƙarfi na magneto. Sai kawai lokacin da ba kasafai abubuwan da ke cikin ƙasa suka shiga cikin kayan gani kamar gilashi, kristal fili, da fina-finai na alloy ba, za a bayyana tasirin magneto-optical na abubuwan da ba kasafai ba. Abubuwan da aka saba amfani da su na magneto-optical sune abubuwan rukuni na canji kamar (REBi) 3 (FeA) 5O12 lu'ulu'u na garnet (abubuwan ƙarfe kamar A1, Ga, Sc, Ge, In), fina-finai na RETM amorphous (Fe, Co, Ni, Mn). ), da gilashin duniya da ba kasafai ba.
Magneto na gani crystal
Lu'ulu'u na gani na Magneto kayan kristal ne tare da tasirin magneto na gani. Tasirin magneto-optical yana da alaƙa da alaƙa da maganadisu na kayan kristal, musamman ƙarfin maganadisu na kayan. Saboda haka, wasu kyawawan kayan maganadisu galibi kayan magneto-optical ne tare da kyawawan kaddarorin magneto-optical, irin su yttrium iron garnet da lu'ulu'u na garnet ƙarfe na ƙasa da ba kasafai ba. Gabaɗaya magana, lu'ulu'u waɗanda ke da ingantattun kaddarorin magneto-optical sune ferromagnetic da lu'ulu'u na ferrimagnetic, kamar EuO da EuS kasancewa ferromagnets, yttrium iron garnet da bismuth doped rare earth garnet garnet kasancewa ferrimagnets. A halin yanzu, waɗannan nau'ikan lu'ulu'u guda biyu ana amfani da su musamman, musamman lu'ulu'u na ƙarfe na ƙarfe.
Rare ƙasa baƙin ƙarfe garnet magneto-Optical abu
1. Tsarin halaye na rare duniya baƙin ƙarfe garnet magneto- Tantancewar kayan
Nau'in Garnet kayan ferrite sabon nau'in kayan maganadisu ne waɗanda suka haɓaka cikin sauri a zamanin yau. Mafi mahimmancin su shine garnet na ƙarfe na duniya (wanda kuma aka sani da Magnetic Garnet), wanda aka fi sani da RE3Fe2Fe3O12 (ana iya rage shi da RE3Fe5O12), inda RE shine yttrium ion (wasu kuma ana yin su da Ca, Bi plasma), Fe Ana iya maye gurbin ions a cikin Fe2 ta In, Se, Cr plasma, kuma Fe ions a cikin Fe ana iya maye gurbinsu da A, Ga plasma. Akwai jimillar nau'ikan garnet na baƙin ƙarfe guda 11 da aka samar ya zuwa yanzu, tare da mafi yawanci shine Y3Fe5O12, an rage shi da YIG.
2. Yttrium baƙin ƙarfe garnet magneto-optical abu
Kamfanin Bell Corporation ya fara gano Yttrium Iron Garnet (YIG) a cikin 1956 a matsayin kristal guda ɗaya tare da tasirin magneto-optical. Magnetized yttrium iron garnet (YIG) yana da asarar maganadisu da yawa umarni na girma ƙasa da kowane ferrite a cikin babban mitar mitar, yana mai da shi yadu amfani azaman kayan ajiyar bayanai.
3. Babban Doped Bi Series Rare Duniya Iron Garnet Magneto Kayan gani na gani
Tare da haɓaka fasahar sadarwa ta gani, buƙatun ingancin watsa bayanai da iya aiki kuma sun karu. Daga hangen nesa na bincike na kayan aiki, yana da mahimmanci don inganta aikin magneto-optical kayan a matsayin ginshiƙan masu keɓancewa, ta yadda jujjuyawar su ta Faraday tana da ƙaramin ƙimar zafin jiki da babban kwanciyar hankali, don haɓaka kwanciyar hankali na keɓewar na'urar. yanayin zafi da canjin tsayin raƙuman ruwa. Babban doped Bi ion jerin ƙarancin ƙasa ƙarfe garnet lu'ulu'u ɗaya da fina-finai na bakin ciki sun zama abin da aka fi mayar da hankali kan bincike.
Bi3Fe5O12 (BiG) fim ɗin bakin ciki na lu'ulu'u ɗaya yana kawo bege ga haɓakar haɗaɗɗun ƙananan masu keɓancewar gani na magneto. A cikin 1988, T Kouda et al. samu Bi3FesO12 (BiIG) fina-finai na bakin ciki kristal guda ɗaya a karon farko ta amfani da hanyar shigar da jini mai amsawa ta hanyar RIBS (reaction lon bean sputtering). Daga baya, Amurka, Japan, Faransa, da sauransu sun sami nasarar samun Bi3Fe5O12 da babban Bi doped rare earth iron garnet magneto-optical films ta amfani da hanyoyi daban-daban.
4. Ce doped rare duniya baƙin ƙarfe garnet magneto-Optical kayan
Idan aka kwatanta da kayan da aka saba amfani da su kamar YIG da GdBiIG, Ce doped rare earth iron garnet (Ce: YIG) yana da halaye na babban kusurwar jujjuyawar Faraday, ƙarancin zafin jiki, ƙarancin sha, da ƙarancin farashi. A halin yanzu shine sabon nau'in jujjuyawar Faraday na magneto-optical abu.
Aikace-aikace na Rare Duniya Magneto Na gani Materials
Abubuwan kristal na gani na Magneto suna da babban tasiri mai tsafta na Faraday, ƙarancin shayarwa a tsayin raƙuman ruwa, da babban maganadisu da iyawa. Yafi amfani da samar da Tantancewar isolators, Tantancewar ba reciprocal aka gyara, magneto Tantancewar memory da magneto Tantancewar modulators, fiber optic sadarwa da kuma hadedde Tantancewar na'urorin, kwamfuta ajiya, dabaru aiki da watsa ayyuka, magneto Tantancewar nuni, magneto Tantancewar rikodin, sabon microwave na'urorin. , Laser gyroscopes, da dai sauransu Tare da ci gaba da gano abubuwan da aka gano na magneto-optical crystal kayan, kewayon na'urorin da za a iya amfani da su da kuma ƙera za su ƙara.
(1) Na gani keɓancewa
A cikin tsarin gani kamar sadarwa na fiber optic, akwai haske da ke komawa ga tushen laser saboda abubuwan da ke nunawa na sassa daban-daban a cikin hanyar gani. Wannan hasken yana sanya ƙarfin hasken fitarwa na tushen Laser ya zama mara ƙarfi, yana haifar da amo, kuma yana iyakance ƙarfin watsawa da nisa na sigina a cikin sadarwar fiber optic, yana sa tsarin na'urar ba ta da ƙarfi a cikin aiki. Keɓancewar gani shine na'urar gani mara ƙarfi wanda kawai ke ba da damar hasken unidirection kawai ya wuce, kuma ƙa'idar aikinsa ta dogara ne akan rashin daidaituwar jujjuyawar Faraday. Hasken da ke haskakawa ta hanyar faɗakarwar fiber optic za a iya keɓe shi da kyau ta hanyar masu keɓancewa na gani.
(2) Magneto optic current tester
Saurin haɓaka masana'antu na zamani ya gabatar da buƙatu masu girma don watsawa da gano hanyoyin wutar lantarki, kuma hanyoyin ma'aunin wutar lantarki na gargajiya da na yau da kullun za su fuskanci ƙalubale masu tsanani. Tare da haɓaka fasahar fiber optic da kimiyyar kayan aiki, masu gwajin magneto-optical na yanzu sun sami kulawa mai yawa saboda kyakkyawan rufin su da ƙarfin tsangwama, daidaiton ma'auni, sauƙi mai sauƙi, kuma babu yuwuwar haɗarin fashewa.
(3) Na'urar Microwave
YIG yana da halaye na kunkuntar layin rawan ferromagnetic, tsari mai yawa, kwanciyar hankali mai kyau, da ƙaramin sifa mai siffa ta lantarki a manyan mitoci. Wadannan halaye sun sa ya dace don yin na'urori daban-daban na microwave kamar manyan masu haɗawa, masu tace bandpass, oscillators, AD tuning drivers, da dai sauransu. An yi amfani da shi sosai a cikin mitar mitar microwave da ke ƙasa da tashar X-ray. Bugu da kari, magneto-optical lu'ulu'u kuma za a iya sanya su cikin magneto-optical na'urorin kamar na'urorin mai siffar zobe da magneto-optical nuni.
(4) Magneto Optical memory
A cikin fasahar sarrafa bayanai, ana amfani da kafofin watsa labarai na magneto-optical don yin rikodi da adana bayanai. Ma'ajiyar gani na Magneto shine jagora a cikin ma'ajiyar gani, tare da halaye na babban iya aiki da musanyawa kyauta na ma'ajiyar gani, haka kuma fa'idodin sake rubutawa na ma'ajin maganadisu da matsakaicin saurin samun damar kama da na'urorin magnetic. Matsakaicin aikin farashi zai zama mabuɗin don ko faifan gani na magneto zai iya jagorantar hanya.
(5) TG crystal guda ɗaya
TGG ne crystal ci gaba da Fujian Fujing Technology Co., Ltd. (CASTECH) a 2008. Its main abũbuwan amfãni: TGG guda crystal yana da babban magneto-Optical akai-akai, high thermal watsin, low Tantancewar hasãra, da kuma high Laser lalacewa kofa, kuma Ana amfani dashi ko'ina a cikin haɓakawa da yawa, zobe, da laser allurar iri kamar YAG da sapphire T-doped.
Lokacin aikawa: Agusta-16-2023