Ngophuhliso olukhawulezayo lwetekhnoloji ye-augmented reality (AR), iiglasi ezikrelekrele, njengomphathi obalulekileyo wetekhnoloji ye-AR, ngokuthe ngcembe ziguquka ukusuka kwingcinga ukuya kwinyani. Nangona kunjalo, ukwamkelwa okubanzi kweeglasi ezihlakaniphile kusajongene nemingeni emininzi yobugcisa, ngakumbi ngokwetekhnoloji yokubonisa, ubunzima, ukuchithwa kobushushu, kunye nokusebenza kwamehlo. Kwiminyaka yakutshanje, i-silicon carbide (i-SiC), njengezinto ezivelayo, isetyenziswe ngokubanzi kwizixhobo ezahlukeneyo ze-semiconductor yamandla kunye neemodyuli. Ngoku yenza indlela yayo kwintsimi yeeglasi ze-AR njengento ebalulekileyo. Isalathisi esiphezulu se-silicon carbide, iimpawu ezibalaseleyo zokutshatyalaliswa kobushushu, kunye nobunzima obuphezulu, phakathi kwezinye izinto, bonisa amandla abalulekileyo okusetyenziswa kwithekhnoloji yokubonisa, ukuyila okulula, kunye nokuchithwa kobushushu kwiiglasi ze-AR. SinokubonelelaIqhekeza leSiC, edlala indima ebalulekileyo ekuphuculeni ezi nkalo. Apha ngezantsi, siza kuphonononga ukuba i-silicon carbide inokuzisa njani utshintsho oluguqukayo kwiiglasi ezikrelekrele ukusuka kwimiba yepropathi yayo, impumelelo yetekhnoloji, usetyenziso lwentengiso, kunye namathemba ekamva.
Iipropati kunye nezinto eziluncedo zeSilicon Carbide
I-Silicon carbide yimathiriyeli ye-bandgap semiconductor ebanzi eneempawu ezibalaseleyo ezinjengokuqina okuphezulu, ukuhanjiswa kwe-thermal ephezulu, kunye nesalathiso esikhulu sokuphinda siphinde sibuye. Ezi mpawu zinika amandla amaninzi okusetyenziswa kwizixhobo zombane, izixhobo zokukhanya, kunye nolawulo lobushushu. Ngokukodwa kwintsimi yeeglasi ezihlakaniphile, izibonelelo ze-silicon carbide zibonakaliswa ikakhulu kule miba ilandelayo:
I-High Refractive Index: I-Silicon carbide ine-index ye-refractive engaphezulu kwe-2.6, iphakamileyo kakhulu kunezinto zendabuko ezifana ne-resin (1.51-1.74) kunye neglasi (1.5-1.9). Isalathiso se-refractive esiphezulu sithetha ukuba i-silicon carbide inokuthintela ngokufanelekileyo ukwanda kokukhanya, ukunciphisa ilahleko yamandla okukhanya, ngaloo ndlela iphucula ukugqama kokubonisa kunye nommandla wokujonga (FOV). Ngokomzekelo, iiglasi ze-Meta ze-Orion AR zisebenzisa iteknoloji ye-silicon carbide waveguide, ifezekisa i-70-degree field view, edlula kakhulu i-40-degree field view of glass glass materials.
Ukugqithiswa kobushushu obugqwesileyo: I-silicon carbide ine-conductivity ye-thermal ngamakhulu amaxesha amakhulu kunaleyo yeglasi eqhelekileyo, eyenza ukuqhuba ubushushu ngokukhawuleza. Ukutshatyalaliswa kobushushu ngumba ophambili kwiiglasi ze-AR, ngakumbi ngexesha lokubonisa ukukhanya okuphezulu kunye nokusetyenziswa ixesha elide. I-silicon carbide lens inokudlulisa ngokukhawuleza ukushisa okwenziwa ngamacandelo optical, ukuphucula ukuzinza kunye nobomi besixhobo. Sinokubonelela nge-SiC wafer eqinisekisa ulawulo olusebenzayo lwe-thermal kwizicelo ezinjalo.
Ubunzima obuphezulu kunye nokuNxitywa kwe-Resistance: I-silicon carbide yenye yezona zinto zinzima kakhulu ezaziwayo, okwesibini kuphela kwidayimane. Oku kwenza iilensi ze-silicon carbide zikwazi ukunxiba, zilungele ukusetyenziswa kwemihla ngemihla. Ngokwahlukileyo, iglasi kunye nezixhobo ze-resin zithandwa kakhulu kwimikrwelo, echaphazela amava omsebenzisi.
I-Anti-Rainbow Effect: Izixhobo zeglasi eziqhelekileyo kwiiglasi ze-AR zikholisa ukuvelisa isiphumo somnyama, apho ukukhanya okujikeleze kubonakalisa umphezulu we-waveguide, kudala iipateni zokukhanya kombala oguqukayo. I-Silicon carbide inokuphelisa ngokufanelekileyo lo mbandela ngokulungisa isakhiwo se-grating, ngaloo ndlela iphucula umgangatho wokubonisa kunye nokuphelisa umphumo we-rainbow obangelwa ukubonakaliswa kokukhanya okujikelezayo kwi-waveguide surface.
Ukuphumelela kweTekhnoloji yeSilicon Carbide kwiiglasi zeAR
Kwiminyaka yakutshanje, impumelelo yetekhnoloji ye-silicon carbide kwiiglasi ze-AR zigxile ikakhulu kuphuhliso lweelensi ze-waveguide diffraction. I-waveguide ye-diffraction yiteknoloji yokubonisa edibanisa i-diffraction phenomenon yokukhanya kunye nezakhiwo ze-waveguide ukusabalalisa imifanekiso eyenziwe ngamacandelo okukhanya ngokusebenzisa i-grating kwi-lens. Oku kunciphisa ubukhulu be-lens, okwenza iiglasi ze-AR zijongeke kufutshane nempahla yamehlo eqhelekileyo.
Ngo-Okthobha ka-2024, i-Meta (eyayisakuba yi-Facebook) yazisa ukusetyenziswa kwe-silicon carbide-etched waveguides edityaniswe ne-microLEDs kwiiglasi zayo ze-Orion AR, ukusombulula iibhotile ezingundoqo kwiinkalo ezifana nentsimi yokujonga, ubunzima, kunye ne-optical artifics. Isazinzulu se-Meta sikaPascual Rivera sithe itekhnoloji ye-silicon carbide waveguide iguqule ngokupheleleyo umgangatho wokubonisa iiglasi ze-AR, itshintsha amava ukusuka "kwindawo yokukhanya ye-disco-ibhola efana ne-rainbow" ukuya "kumava ekhonsathi anje ngeholo."
NgoDisemba ka-2024, i-XINKEHUI yaphuhlisa ngempumelelo i-12-intshi yokuqala ye-high-purity semi-insulating yesilicon carbide single crystal substrate, ephawula impumelelo enkulu kwintsimi yeesayizi ezinkulu. Le teknoloji iya kukhawulezisa ukusetyenziswa kwe-silicon carbide kwiimeko ezintsha zokusetyenziswa ezifana neeglasi ze-AR kunye neesinki zokushisa. Umzekelo, i-12-intshi ye-silicon carbide wafer inokuvelisa iipere ezisi-8-9 zeelensi zeglasi ze-AR, iphucula kakhulu ukusebenza kakuhle kwemveliso. Sinokubonelela nge-SiC wafer ukuxhasa izicelo ezinjalo kushishino lweeglasi ze-AR.
Kutshanje, umboneleli we-silicon carbide substrate u-XINKEHUI ubambisene ne-micro-nano optoelectronic inkampani yesixhobo se-MOD MICRO-NANO ukuseka intsebenziswano ejolise kuphuhliso kunye nokukhuthazwa kwemarike ye-AR diffraction waveguide lens technology. I-XINKEHUI, kunye nobuchule bayo bobugcisa kwi-silicon carbide substrates, iya kubonelela ngee-substrates ezikumgangatho ophezulu we-MOD MICRO-NANO, eya kuthi isebenzise iingenelo zayo kwi-micro-nano optical technology kunye ne-AR waveguide processing ukuqhubela phambili nokwandisa ukusebenza kwe-diffraction waveguides. Le ntsebenziswano kulindeleke ukuba ikhawulezise impumelelo yetekhnoloji kwiiglasi ze-AR, ikhuthaze intshukumo yeshishini ukuya ekusebenzeni okuphezulu kunye noyilo olulula.
Kumboniso we-SPIE AR | VR|MR ka-2025, iMOD MICRO-NANO ithe thaca iilensi zeglasi ze-silicon carbide ze-AR zesizukulwana sesibini, ezinobunzima obuyi-2.7 grams kuphela kunye nobukhulu be-0.55 millimeters kuphela, ikhaphukhaphu kuneendondo zelanga eziqhelekileyo, inika abasebenzisi amava okunxiba aphantse angabonakali, ukufikelela kubunzima bokwenene.
Iimeko zokusetyenziswa kweSilicon Carbide kwiiglasi ze-AR
Kwinkqubo yokwenziwa kwee-silicon carbide waveguides, iqela le-Meta loyisile imiceli mngeni yetekhnoloji yetekhnoloji ye-etching. Umanejala woPhando uNihar Mohanty ucacisile ukuba itekhnoloji etyibilikayo yitekhnoloji yegrayiti engeyiyo eyemveli ethi ibambe imigca kwi-engile ethambekileyo ukwenza ukudibanisa ukukhanya kunye nokusebenza kakuhle kokudibanisa. Le mpumelelo yabeka isiseko sokwamkelwa kobuninzi be-silicon carbide kwiiglasi ze-AR.
Iiglasi ze-Meta ze-Orion AR zisicelo esimele iteknoloji ye-silicon carbide kwi-AR. Ngokusebenzisa iteknoloji ye-silicon carbide waveguide, i-Orion ifezekisa i-70-degree field of viewing kwaye ilungisa ngokufanelekileyo imiba efana ne-ghosting kunye ne-rainbow effect.
UGiuseppe Carafiore, inkokeli yetekhnoloji ye-Meta's AR waveguide, uqaphele ukuba i-silicon carbide's high refractive index kunye ne-thermal conductivity iyenza ibe yinto efanelekileyo kwiiglasi ze-AR. Emva kokukhetha imathiriyeli, umceli mngeni olandelayo yayikukuphuhlisa i-waveguide, ngakumbi inkqubo etyibilikayo yokufakwa kwegrayiti. UCarafiore wachaza ukuba i-grating, ejongene nokudibanisa ukukhanya kunye nokuphuma kwi-lens, kufuneka isebenzise i-slate etching. Imigca echongiweyo ayicwangciswanga ngokuthe nkqo kodwa isasazwe kwi-angle ethathiweyo. U-Nihar Mohanty wongeze ukuba babe liqela lokuqala kwihlabathi liphela ukufikelela kwi-etching etyibilikayo ngokuthe ngqo kwizixhobo. Ngo-2019, uNihar Mohanty kunye neqela lakhe bakhe umgca wemveliso ozinikeleyo. Ngaphambi koko, akukho sixhobo sikhoyo sokufaka i-silicon carbide waveguides, kwaye itekhnoloji ibingenzeki ngaphandle kwelebhu.
Imiceli mngeni kunye namathemba ekamva leSilicon Carbide
Nangona i-silicon carbide ibonisa amandla amakhulu kwiiglasi ze-AR, ukusetyenziswa kwayo kusajongene nemingeni emininzi. Okwangoku, imathiriyeli ye-silicon carbide iyabiza ngenxa yesantya sayo sokukhula kancinci kunye nokusetyenzwa nzima. Umzekelo, ilensi enye ye-silicon carbide yeeglasi ze-Meta's Orion AR ixabisa ukuya kuthi ga kwi-1,000 yeedola, nto leyo eyenza kube nzima ukuhlangabezana neemfuno zemarike yabathengi. Nangona kunjalo, ngophuhliso olukhawulezayo lweshishini lemoto yombane, ixabiso le-silicon carbide liyehla ngokuthe ngcembe. Ngaphaya koko, uphuhliso lweesubstrate ezinobukhulu obukhulu (ezifana nee-wafers eziyi-12-intshi) ziya kuqhuba ngakumbi ukuthotywa kweendleko kunye nokuphucula ukusebenza kakuhle.
Ukuqina okuphezulu kwe-silicon carbide kukwenza kube nzima ukusetyenzwa, ngakumbi kulwakhiwo lwe-micro-nano, olukhokelela kumazinga asezantsi esivuno. Kwixesha elizayo, ngentsebenziswano enzulu phakathi kwabanikezeli be-silicon carbide substrate kunye nabavelisi be-micro-nano optical, lo mbandela kulindeleke ukuba usonjululwe. Isicelo se-Silicon carbide kwiiglasi ze-AR sisekwizigaba zokuqala, ezifuna iinkampani ezininzi ukuba zityale imali kuphando lwe-silicon carbide ye-optical-grade kunye nophuhliso lwezixhobo. Iqela le-Meta lilindele ukuba abanye abavelisi baqalise ukwenza ezabo izixhobo, njengoko okukhona iinkampani zityala imali kuphando lwe-silicon carbide yomgangatho wokubona kunye nezixhobo, kokukhona iya kuba namandla inkqubo yeeglasi ze-AR yoshishino lwendalo.
Ukuqukumbela
I-silicon carbide, kunye nesalathisi esiphezulu se-refractive, ukutshatyalaliswa kobushushu obugqwesileyo, kunye nobunzima obuphezulu, iba yinto ebalulekileyo kwintsimi yeeglasi ze-AR. Ukususela kwintsebenziswano phakathi kwe-XINKEHUI kunye ne-MOD MICRO-NANO ukuya ekusetyenzisweni ngempumelelo kwe-silicon carbide kwiiglasi ze-Meta ze-Orion AR, ukubanakho kwe-silicon carbide kwiiglasi ezihlakaniphile kubonakaliswe ngokupheleleyo. Ngaphandle kwemiceli mngeni efana neendleko kunye nemiqobo yobugcisa, njengoko ikhonkco leshishini likhula kunye netekhnoloji iqhubeka nokuhambela phambili, i-silicon carbide kulindeleke ukuba iqaqambe kwibala leglasi le-AR, iqhube iiglasi ezikrelekrele ukuya ekusebenzeni okuphezulu, ubunzima obulula, kunye nokwamkelwa okubanzi. Kwixesha elizayo, i-silicon carbide inokuba yeyona nto iphambili kwishishini le-AR, izise kwixesha elitsha leeglasi ezikrelekrele.
Ukubanakho kwe-silicon carbide akukhawulelwanga kwiiglasi ze-AR; izicelo zayo ezinqamlezileyo kwishishini lombane kunye neefotonics nazo zibonisa amathemba amakhulu. Umzekelo, usetyenziso lwe-silicon carbide kwi-quantum computing kunye nezixhobo zombane ezinamandla amakhulu kuyaphononongwa. Njengoko iteknoloji iqhubela phambili kwaye iindleko ziyancipha, i-silicon carbide kulindeleke ukuba idlale indima ebalulekileyo kwimimandla emininzi, ikhawulezisa uphuhliso lwamashishini anxulumeneyo. Sinokubonelela nge-SiC wafer kwizicelo ezahlukeneyo, ukuxhasa inkqubela phambili kuzo zombini itekhnoloji ye-AR nangaphaya.
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