Mai daidaita EoJeri: Babban gudu, ƙarancin ƙarfin lantarki, ƙaramin na'urar sarrafa murfin fim mai laushi ta lithium niobate
Raƙuman haske a cikin sararin samaniya kyauta (da kuma raƙuman lantarki na wasu mitoci) raƙuman shear ne, kuma alkiblar girgizar filayen lantarki da maganadisu tana da hanyoyi daban-daban da za a iya bi a cikin sashin giciye wanda ke daidai da alkiblar yaɗuwa, wanda shine sifar polarization na haske. Polarization yana da mahimmancin amfani a fannoni na sadarwa mai haɗaka, gano masana'antu, maganin halittu, gano nesa na duniya, soja na zamani, jirgin sama da teku.
A yanayi, domin a samu damar yin tafiya mai kyau, halittu da yawa sun ƙirƙiri tsarin gani wanda zai iya bambance rarrabuwar haske. Misali, ƙudan zuma suna da idanu biyar (idanu uku, idanu biyu masu hade), kowannensu yana ɗauke da ƙananan idanu 6,300, waɗanda ke taimaka wa ƙudan zuma samun taswirar rarrabuwar haske a duk inda yake a sararin samaniya. Kudan zuma na iya amfani da taswirar rarrabuwar haske don gano nau'in halittarsa da kuma jagorantar shi daidai zuwa ga furannin da yake samu. Mutane ba su da gabobin jiki kamar ƙudan zuma don jin rarrabuwar haske, kuma suna buƙatar amfani da kayan aikin wucin gadi don jin da kuma sarrafa rarrabuwar haske. Misali na yau da kullun shine amfani da gilashin rarrabuwar haske don jagorantar haske daga hotuna daban-daban zuwa idanun hagu da dama a cikin rarrabuwar haske mai layi ɗaya, wanda shine ƙa'idar fina-finan 3D a cikin sinima.
Ci gaban na'urorin sarrafa polarization na gani mai inganci shine mabuɗin haɓaka fasahar amfani da haske mai polarized. Na'urorin sarrafa polarization na yau da kullun sun haɗa da janareta na yanayin polarization, scrambler, na'urar nazarin polarization, mai sarrafa polarization, da sauransu. A cikin 'yan shekarun nan, fasahar sarrafa polarization na gani tana hanzarta ci gaba kuma tana haɗuwa sosai cikin wasu fannoni masu tasowa masu mahimmanci.
Ɗaukasadarwa ta gania matsayin misali, wanda buƙatar watsa bayanai mai yawa a cibiyoyin bayanai ke haifarwa, wanda ke da alaƙa da nesa mai nisana ganiFasahar sadarwa tana yaɗuwa a hankali zuwa aikace-aikacen haɗin gwiwa na ɗan gajeren lokaci waɗanda ke da matuƙar saurin kamuwa da farashi da amfani da makamashi, kuma amfani da fasahar sarrafa polarization na iya rage farashi da amfani da wutar lantarki na tsarin sadarwa mai haɗin kai na ɗan gajeren lokaci. Duk da haka, a halin yanzu, sarrafa polarization galibi ana samunsa ne ta hanyar abubuwan gani daban-daban, wanda ke takaita haɓaka aiki da rage farashi sosai. Tare da saurin haɓaka fasahar haɗakar optoelectronic, haɗin kai da guntu sune manyan abubuwan da ke faruwa a nan gaba a cikin haɓaka na'urorin sarrafa polarization na gani.
Duk da haka, jagororin hasken da aka shirya a cikin lu'ulu'u na lithium niobate na gargajiya suna da rashin amfani da ƙananan bambancin ma'aunin haske da kuma ƙarfin ɗaure filin gani mai rauni. A gefe guda, girman na'urar yana da girma, kuma yana da wuya a biya buƙatun haɓakawa na haɗin kai. A gefe guda kuma, hulɗar electrooptical tana da rauni, kuma ƙarfin tuƙi na na'urar yana da yawa.
A cikin 'yan shekarun nan,na'urorin photonicbisa ga kayan fim ɗin lithium niobate sun sami ci gaba na tarihi, suna samun mafi girma gudu da ƙarancin ƙarfin tuƙi fiye da na gargajiya.na'urorin lithium niobate photonic, don haka masana'antar ta fi so su. A cikin binciken da aka yi kwanan nan, an gano guntu mai sarrafa polarization na gani mai haɗawa akan dandamalin haɗin gwiwar lithium niobate thin film photonic, gami da janareta polarization, scrambler, polarization analyzer, polarization controller da sauran manyan ayyuka. Babban sigogi na waɗannan guntu, kamar saurin samar da polarization, rabon ƙarewar polarization, saurin polarization perturbation, da saurin aunawa, sun kafa sabbin rikodin duniya, kuma sun nuna kyakkyawan aiki a cikin babban gudu, ƙarancin farashi, babu asarar daidaitawar parasitic, da ƙarancin ƙarfin tuƙi. Sakamakon binciken a karon farko ya haifar da jerin manyan ayyuka masu girma.lithium niobateNa'urorin sarrafa polarization na gani mai siriri, waɗanda suka ƙunshi sassa biyu na asali: 1. Juyawa/raba Polarization, 2. Mach-zindel interferometer (bayani >), kamar yadda aka nuna a Hoto na 1.
Lokacin Saƙo: Disamba-26-2023