Eo modulatorJerin: Babban gudu, ƙananan ƙarfin lantarki, ƙaramin girman lithium niobate bakin ciki na'urar sarrafa polarization
Hasken tãguwar ruwa a cikin sarari kyauta (kazalika da raƙuman ruwa na electromagnetic na sauran mitoci) sune raƙuman ƙarfi, kuma jagorar rawar jiki ta filayen lantarki da na maganadisu yana da madaidaitan hanyoyin da za a iya jurewa a cikin sashin giciye perpendicular zuwa jagorar yadawa, wanda shine mallakar polarization. na haske. Polarization yana da mahimmancin ƙimar aikace-aikacen a cikin fagagen sadarwa mai daidaituwa, gano masana'antu, bioomedicine, hangen nesa na duniya, soja na zamani, jirgin sama da teku.
A cikin yanayi, don mafi kyawun kewayawa, yawancin halittu sun samo asali na tsarin gani wanda zai iya bambanta polarization na haske. Misali, kudan zuma suna da idanu biyar (ido guda uku, idanu guda biyu), kowannensu yana dauke da kananan idanu guda 6,300, wadanda ke taimakawa ƙudan zuma wajen samun taswirar yadda haske ya kasance a duk inda yake a sararin sama. Kudan zuma na iya amfani da taswirar polarization don ganowa da kuma jagoranci nau'in nata daidai zuwa furannin da ya samo. ’Yan Adam ba su da gabobin jiki irin na kudan zuma don ganin yadda haske ya tabarbare, kuma yana bukatar yin amfani da na’urar wucin gadi don gane da sarrafa yadda hasken ya canza. Misali na yau da kullun shine amfani da gilashin polarizing don daidaita haske daga hotuna daban-daban zuwa idanun hagu da dama a cikin madaidaicin polarizations, wanda shine ka'idar fina-finai 3D a cikin silima.
Haɓaka babban aikin na'urorin sarrafa polarization na gani shine mabuɗin don haɓaka fasahar aikace-aikacen haske mai ƙima. Na'urorin sarrafa polarization na yau da kullun sun haɗa da janareta na jihar polarization, scrambler, mai nazarin polarization, mai sarrafa polarization, da sauransu.
Daukesadarwa na gania matsayin misali, ta hanyar buƙatun watsa bayanai masu yawa a cibiyoyin bayanai, haɗin kai mai nisana ganiFasahar sadarwa sannu a hankali tana yaduwa zuwa aikace-aikacen haɗin kai na gajeriyar hanya waɗanda ke da matukar damuwa ga farashi da amfani da makamashi, kuma yin amfani da fasahar sarrafa polarization na iya rage tsada da amfani da wutar lantarki na tsarin sadarwa na gani na ɗan gajeren zango. Koyaya, a halin yanzu, sarrafa polarization galibi ana samun shi ta hanyar abubuwan da suka dace na gani, waɗanda ke da matuƙar taƙaita haɓaka aiki da rage farashi. Tare da saurin haɓaka fasahar haɗin kai na optoelectronic, haɗin kai da guntu sune mahimman abubuwan da ke faruwa a gaba na ci gaban na'urorin sarrafa polarization na gani.
Koyaya, jagororin raƙuman ruwa da aka shirya a cikin lu'ulu'u na lithium niobate na gargajiya suna da rashin lahani na ƙananan bambance-bambancen fihirisa mai jujjuyawa da ƙarancin daurin filin gani. A gefe guda, girman na'urar yana da girma, kuma yana da wuyar saduwa da bukatun ci gaba na haɗin kai. A gefe guda kuma, hulɗar lantarki ba ta da ƙarfi, kuma ƙarfin tuƙi na na'urar yana da girma.
A cikin 'yan shekarun nan,na'urorin daukar hotobisa lithium niobate kayan fim na bakin ciki sun sami ci gaba na tarihi, suna samun saurin gudu da ƙananan ƙarfin tuƙi fiye da na gargajiya.lithium niobate photonic na'urorin, don haka ana fifita su da masana'antu. A cikin bincike na baya-bayan nan, haɗaɗɗen guntun sarrafa polarization na gani an gano shi akan dandamalin haɗin gwiwar fim ɗin lithium niobate bakin ciki, gami da janareta na polarization, scrambler, mai nazarin polarization, mai sarrafa polarization da sauran manyan ayyuka. Babban ma'auni na waɗannan kwakwalwan kwamfuta, irin su saurin haɓakar polarization, rabon ɓarna polarization, saurin rikicewar polarization, da saurin aunawa, sun kafa sabbin rikodin duniya, kuma sun nuna kyakkyawan aiki a cikin babban sauri, ƙarancin farashi, babu asarar haɓakar parasitic, da ƙarancin ƙima. fitar da wutar lantarki. Sakamakon binciken a karon farko ya gane jerin manyan ayyukalithium niobatebakin ciki film na'urorin sarrafa polarization na gani, waɗanda suka ƙunshi raka'a na asali guda biyu: 1. Juyawa mai jujjuyawar polarization, 2. Mach-zindel interferometer (bayani>), kamar yadda aka nuna a hoto 1.
Lokacin aikawa: Dec-26-2023