Masu bincike a Jami'ar Southampton sun haɓaka hanyar rubutun Laser mai sauri da ingantaccen makamashi don samar da nanostructures masu girma a cikin gilashin silica. Waɗannan ƙananan sifofi ana iya amfani dashi don ajiyar bayanan gani na dogon lokaci mai girma biyar (5D), fiye da sau 10.000 mai yawa fiye da fasahar ajiyar fayafai na gani na Blue-Ray.
Irin wannan ajiyar bayanai yana amfani da yadudduka uku maki nanoscale akan faifan gilashi. Girman, daidaitawa da matsayi (a cikin girma uku) na maki suna ba da "girman" biyar da aka yi amfani da su don ɓoye bayanan.
A cewar masu binciken, faifan 5D har yanzu ana iya karantawa bayan shekaru biliyan 13.8, amma zai zama abin mamaki idan wani ya kasance a kusa don karanta shi a lokacin. A cikin ɗan gajeren lokaci, kafofin watsa labarai na gani na 5D kuma za su iya rayuwa bayan an yi zafi zuwa ma'aunin Celsius 1.000.
Dabara Yuhao Lei mai bincike na PhD ya haɓaka yana amfani da laser na femtosecond yawan maimaitawa. Tsarin yana farawa tare da bugun jini wanda ke haifar da injin nano, amma bugun jini mai sauri baya buƙatar rubuta bayanai. Matsakaicin raunin bugun jini da aka maimaita suna amfani da wani sabon abu da aka sani da haɓaka filin kusa don sassaƙa nanostructures ta hanya mafi sauƙi. Masu binciken sun kimanta bugun laser a matakan wutar lantarki daban-daban kuma sun sami matakin da ke saurin rubutu ba tare da lalata faifan gilashin silica ba.
Bincike ya ba da rahoton matsakaicin ƙimar bayanai na voxels miliyan ɗaya a cikin daƙiƙa guda, amma kowane bit yana buƙatar voxels da yawa a cikin tsarin gani na 5D. Wannan yayi daidai da ƙimar bayanai na kusan kilobytes 230 a cikin daƙiƙa guda. A wannan lokaci, yana yiwuwa a cika ɗaya daga cikin faifai, wanda ƙarfinsa ya kai 500 TB. Zai ɗauki kimanin watanni biyu don rubuta irin wannan adadi mai yawa, bayan haka ba za a iya canza shi ba.
"Wasu mutane da kungiyoyi suna samar da manyan bayanan bayanai, suna haifar da matsananciyar bukata don samar da ingantattun hanyoyin adana bayanai tare da babban iko, rashin amfani da wutar lantarki da kuma tsawon rai," in ji wani mai bincike Yuhao Lei, daga Jami'ar Southampton, Birtaniya. "Yayin da aka fi tsara tsarin tushen girgije don bayanan wucin gadi, mun yi imanin cewa ajiyar bayanan 5D a cikin gilashin zai iya zama da amfani don adana bayanai na dogon lokaci don ɗakunan ajiya na ƙasa, gidajen tarihi, ɗakunan karatu, ko ƙungiyoyi masu zaman kansu."
Ko da yake an nuna bayanan ajiya na gani na 5D a cikin kayan gaskiya a baya, an nuna haka yana da wahala a rubuta bayanai cikin sauri sosai kuma tare da isasshen yawa don aikace-aikacen duniya na gaske. Don shawo kan wannan matsala, masu binciken sun yi amfani da Laser mai yawan maimaitawa na femtosecond don ƙirƙirar ƙananan rijiyoyi waɗanda ke ɗauke da tsari na musamman mai kama da nanolamella mai auna nanometer 500 x 50 kawai.
Maimakon yin amfani da Laser na femtosecond don rubuta kai tsaye a kan gilashin, masu binciken sun yi amfani da hasken don samar da wani abu na gani da aka sani da haɓaka filin kusa, wanda tsarin nanolamella ya kasance ta hanyar wasu ƙananan bugun jini. nano vacuum wanda aka samu ta hanyar fashewar micro pulse guda ɗaya. Yin amfani da haɓakar filin kusa don ƙirƙira nanostructures ya rage girman lalacewar zafi wanda ya kasance matsala ga sauran hanyoyin ta amfani da laser maimaita maimaitawa.
Tun da nanostructures anisotropic ne, suna samar da birefringence wanda za a iya kwatanta ta hanyar daidaitawa na jinkirin axis na haske (girman 4th, daidai da daidaitawar tsarin nanolaminate) da ƙarfin jinkiri (girma na 5, wanda aka kwatanta da girman nanostructure). Lokacin da aka yi rikodin bayanai akan gilashi, ana iya sarrafa madaidaicin axis a hankali da ƙarfin jinkiri ta hanyar polarization da ƙarfin haske, bi da bi.
"Wannan sabuwar hanyar tana inganta saurin rubuta bayanai zuwa matakin aiki, ta yadda za mu iya rubuta dubun-dubatar bayanai a cikin madaidaicin lokaci," in ji Lei. Madaidaicin tsarin nanostructures na zahiri yana ba da damar ƙarin ƙarfin bayanai, saboda ana iya rubuta ƙarin voxels a cikin juzu'in raka'a. Bugu da ƙari, yin amfani da hasken da aka buga yana rage ƙarfin da ake bukata don rubutawa. "
Masu binciken sun yi amfani da sabuwar hanyarsu wajen rubuta gigabytes 5 na bayanan rubutu zuwa faifan gilashi. silica girman girman ƙaramin diski na al'ada, tare da madaidaicin karatun kusan 100%. Kowane voxel ya ƙunshi bayanai guda huɗu, kuma duka voxels duka sun dace da harafi ɗaya na rubutu. Tare da yawan rubutun da aka bayar ta hanyar, faifan zai iya ɗaukar terabytes na bayanai 500. Tare da sabunta tsarin da ke ba da damar yin rubutu iri ɗaya, masu binciken sun ce ya kamata a iya rubuta wannan adadin bayanai a cikin kimanin kwanaki 60.
Tare da tsarin yanzu, muna da ikon adana terabyte na bayanai, waɗanda za a iya amfani da su, alal misali, don adana bayanan DNA na mutumin da ke aiki a yanzu don ƙara saurin rubutun hanyarsa da yin amfani da fasahar a wajen dakin gwaje-gwaje. Hakanan zai zama dole don haɓaka hanyoyin karanta bayanai cikin sauri don aikace-aikacen adana bayanai masu amfani.
Source: https://www.osapublishing.org/