Kumaza okuphucula uphononongo kunye nokwenza imaphu yolwazi lwejografi ekufezekiseni nasekuchanekeni, i-1.5 μ m i-fiber lasers iba yeyona nto iqhubayo ekukhuleni kwemarike kwiinkalo ezimbini eziphambili zovavanyo lwenqwelo-moya olungenamntu kunye nophononongo oluphathwa ngesandla, ngenxa yokuziqhelanisa nzulu neemfuno zendawo. Ngokukhula okugqabhukileyo kwezicelo ezinjengophononongo lobude obuphantsi kunye nemephu yonxunguphalo kusetyenziswa iidrone, kunye nokuphindaphindwa kwezixhobo zokuskena eziphathwa ngesandla ukuya ekuchanekeni okuphezulu kunye nokuphatheka, ubungakanani bemarike yehlabathi ye-1.5 μ m i-fiber lasers yovavanyo idlule kwi-1.2 yeebhiliyoni zeeyuan ngo-2024, kunye nemfuno ye-avareji engenabantu kunye nokugcina i-akhawunti ye-avareji ye-avareji yonyaka kunye nokugcinwa kwe-avareji ye-avareji ye-6% ireyithi ye-8.2%. Emva kolu tshintsho lwemfuno yi-resonance egqibeleleyo phakathi kwentsebenzo eyodwa ye-1.5 μ m band kunye neemfuno ezingqongqo zokuchaneka, ukhuseleko, kunye nokuguquguquka kokusingqongileyo kwiimeko zovavanyo.
1, Isishwankathelo seMveliso
I-"1.5um Fiber Laser Series" ye-Lumispot ithatha iteknoloji yokukhulisa i-MOPA, enegunya eliphezulu eliphezulu kunye nokusebenza kakuhle kokuguqulwa kwe-electro-optical, i-ASE ephantsi kunye ne-nonlinear effect ratio yengxolo, kunye noluhlu olubanzi lobushushu bokusebenza, okwenza ukuba lulungele ukusetyenziswa njengomthombo we-laser we-LiDAR. Kwiinkqubo zokuphonononga ezifana ne-LiDAR kunye ne-LiDAR, i-fiber laser ye-1.5 μ m isetyenziswa njengomthombo wokukhanya okhuphayo, kwaye izikhombisi zayo zokusebenza zichaza ngokuthe ngqo "ukuchaneka" kunye "nobubanzi" bokufumanisa. Ukusebenza kwale milinganiselo mibini inxulumene ngokuthe ngqo nokusebenza kakuhle kunye nokuthembeka kweenqwelo-moya ezingaqhutywanga kuvavanyo lwe-terrain surveying, ukuqaphela okujoliswe kuko, ukujikeleza kweentambo zombane kunye nezinye iimeko. Ukusuka kumbono wemithetho yokuhanjiswa komzimba kunye nengqiqo yokucwangcisa umqondiso, izibonakaliso ezintathu eziphambili zamandla aphezulu, ububanzi be-pulse, kunye nokuqina kwe-wavelength zizinto eziguquguqukayo eziphambili ezichaphazela ukuchaneka kokufumanisa kunye noluhlu. Indlela yokusebenza yabo inokuboliswa ngetsheyini yonke "yesiginali yosasazo lwe-atmospheric transmission target reflection reception reception".
2, Iinkalo zeSicelo
Kwintsimi yokuhlola i-aerial engabonakaliyo kunye nemephu, imfuno ye-fiber lasers ye-1.5 μ m iqhume ngenxa yesisombululo sayo esichanekileyo samanqaku eentlungu kwimisebenzi yasemoyeni. Iqonga lesithuthi somoya elingenamntu linemida engqongqo kumthamo, ubunzima, kunye nokusetyenziswa kwamandla okuhlawula, ngelixa i-compact structural design kunye neempawu ezilula ze-1.5 μ m i-fiber laser inokucinezela ubunzima benkqubo ye-radar ye-laser ukuya kwisinye kwisithathu sezixhobo zendabuko, ukulungelelanisa ngokugqibeleleyo kwiindidi ezahlukeneyo zeemodeli zenqwelo-moya ezingabonakaliyo ezifana ne-rotor eninzi kunye nephiko elisisigxina. Okubaluleke ngakumbi, eli bhanti libekwe "kwifestile yegolide" yokuhanjiswa kwe-atmospheric. Xa kuthelekiswa ne-laser ye-905nm esetyenziswa ngokuqhelekileyo, ukuthomalalisa usasazo lwayo kuncitshiswa ngaphezu kwe-40% phantsi kweemeko ezinzima zemozulu ezifana nenkungu nothuli. Ngamandla aphezulu okufikelela kwi-kW, inokufikelela kumgama wokufumanisa ngaphezu kweemitha ezingama-250 kwiithagethi kunye ne-reflectivity ye-10%, ukusombulula ingxaki "yokubonakala okungacacanga kunye nokulinganisa umgama" kwiinqwelo ezihamba emoyeni ezingenabantu ngexesha lophando kwiindawo ezisezintabeni, entlango kunye neminye imimandla. Kwangaxeshanye, iimpawu zayo ezigqwesileyo zokhuseleko lwamehlo omntu-ukuvumela amandla aphezulu ngaphezu kwamaxesha e-10 kune-laser ye-905nm-yenza i-drones isebenze kwiindawo eziphakamileyo ngaphandle kwesidingo sezixhobo zokukhusela ezongezelelweyo zokukhusela, ukuphucula kakhulu ukhuseleko kunye nokuguquguquka kweendawo ezihlala abantu ezifana nokuhlola idolophu kunye nemephu yezolimo.
Kwintsimi yovavanyo oluphathwa ngesandla kunye nemephu, imfuno ekhulayo ye-1.5 μ m fiber lasers inxulumene ngokusondeleyo neemfuno eziphambili zokuphatheka kwesixhobo kunye nokuchaneka okuphezulu. Isixhobo sovavanyo esiphathwa ngesandla sanamhlanje kufuneka silungelelanise ukuziqhelanisa neemeko ezinzima kunye nokusebenza ngokulula. Imveliso ephantsi yengxolo kunye nomgangatho ophezulu we-beam ye-1.5 μ m i-fiber lasers yenza ukuba izikena eziphathwayo zifezekise ukuchaneka komlinganiselo womlinganiselo we-micrometer, ukuhlangabezana neemfuno ezichanekileyo ezifana ne-relic yenkcubeko kunye nokufunyanwa kwecandelo lemizi-mveliso. Xa kuthelekiswa ne-laser yendabuko ye-1.064 μ m, ikhono layo lokuchasana nokuphazamiseka liphuculwe kakhulu kwiindawo ezingaphandle zokukhanya ezinamandla. Idityaniswe neempawu zokulinganisa ezingaqhagamshelwanga, inokukhawuleza ifumane idatha yefu ye-three-dimensional point kwiimeko ezifana nokubuyiselwa kwezakhiwo zakudala kunye neendawo zokuhlangula ezingxamisekileyo, ngaphandle kwesidingo sokuqwalaselwa kwangaphambili. Eyona nto iphawuleka ngakumbi kukuba uyilo lwayo lokupakisha oluhlangeneyo lunokudityaniswa kwizixhobo eziphathwa ngesandla ezinobunzima obungaphantsi kwe-500 grams, ezinoluhlu olubanzi lobushushu obuphakathi kwe--30 ℃ ukuya ku+60 ℃, ilungelelanisa ngokugqibeleleyo kwiimfuno zemisebenzi yeemeko ezininzi ezifana nohlolo lwasendle kunye nokuhlolwa kweworkshop.
Ngokombono wendima yayo engundoqo, i-1.5 μ m i-fiber lasers ibe sisixhobo esibalulekileyo sokuhlaziya amandla okuhlola. Kuphononongo lwenqwelomoya olungenamntu, isebenza "njengentliziyo" yerada yelaser, ukufikelela kwinqanaba lesentimitha ukusuka kokuchaneka ngokuphuma kwe-nanosecond pulse, ukubonelela ngedatha yelifu elinoxinaniso oluphezulu lomfuziselo we-3D yomhlaba kunye nokufunyanwa kwezinto zangaphandle ngomgca wamandla, kunye nokuphucula ukusebenza kakuhle kovavanyo lwenqwelomoya olungenamntu ngeendlela ezingaphezu kwesithathu xa kuthelekiswa neendlela zemveli; Kwimeko yovavanyo lomhlaba kazwelonke, amandla ayo okubona ixesha elide anokufikelela kwi-survey esebenzayo yeekhilomitha ezili-square ezili-10 ngendiza, kunye neempazamo zedatha ezilawulwa ngaphakathi kwee-5 centimeters. Kwintsimi yovavanyo oluphathwa ngesandla, ixhobisa izixhobo zokuphumeza "ukuskena kunye nokufumana" amava okusebenza: kukhuseleko lwelifa lenkcubeko, inokubamba ngokuchanekileyo iinkcukacha zokuthungwa komphezulu wezinto zenkcubeko kunye nokubonelela ngemigangatho ye-millimeter yeemodeli ze-3D zokugcinwa kwedijithali; Kwi-reverse engineering, idatha yejometri yamacandelo anzima inokufumaneka ngokukhawuleza, ukukhawuleza ukuphindaphinda koyilo lwemveliso; Kwimeko yongxamiseko yophando kunye nemephu, kunye nobuchule bokusebenza kwedatha yexesha langempela, imodeli emithathu-dimensional yendawo echaphazelekayo inokuveliswa kwiyure enye emva kweenyikima, izikhukhula kunye nezinye iintlekele zenzeke, ukubonelela ngenkxaso ebalulekileyo yokwenza izigqibo zokuhlangula. Ukusuka kuphando oluphezulu lwe-aerial ukuya kwi-scan echanekileyo yomhlaba, i-fiber laser ye-1.5 μ m iqhuba ishishini lokuhlola ukuya kwixesha elitsha "lokuchaneka okuphezulu + nokusebenza okuphezulu".
3. Iinzuzo eziphambili
Undoqo woluhlu lokufumanisa ngowona mgama ude kakhulu apho iifotoni ezikhutshwe yi-laser zinokoyisa ukuthotywa kwe-atmospheric kunye nelahleko yokubonisa okujoliswe kuyo, kwaye isabanjwa ngokufumana isiphelo njengemiqondiso esebenzayo. Ezi zalathi zilandelayo zomthombo oqaqambileyo laser 1.5 μ m ifayibha laser zilawula ngqo le nkqubo:
① Amandla encochoyi (kW): umgangatho 3kW@3ns &100kHz; Imveliso ephuculweyo 8kW@3ns &100kHz yeyona "mandla okuqhuba" kuluhlu lokubona, emele amandla akhawulezileyo akhutshwa yilaser ngaphakathi kwepulse enye, kwaye yeyona nto iphambili emisela amandla emiqondiso yomgama omde. Ekubhaqweni kwedrone, iifotoni kufuneka zihambe amakhulu okanye amawaka eemitha kwi-atmosphere, nto leyo enokubangela ukuncipha ngenxa yokusasazeka kweRayleigh kunye nokufunxwa kwe-aerosol (nangona ibhendi ye-1.5 μ m iyeye "window ye-atmospheric", kusekho ukuthotywa kwemvelo). Kwangaxeshanye, ukubonakalisa umphezulu okujoliswe kuko (okufana nokungafani kwezityalo, isinyithi, kunye namatye) nako kunokukhokelela ekulahlekeni komqondiso. Xa amandla encopho esonyuswa, nasemva kokuthotywa komgama omde kunye nelahleko yokubonisa, inani leefotoni ezifikelela ekupheleni kokufumana zisenokudibana ne "signal-to-noise ratio threshold", ngaloo ndlela sandise uluhlu lokubhaqa - umzekelo, ngokwandisa amandla encopho ye-1.5 μm fiber laser ukusuka kwi-1kW ukuya kwi-5kW, phantsi kweemeko ezijoliswe kuyo, ukufumanisa i-atmos enokwandiswa kwe-1% ukusuka kwi-200 yeemitha ukuya kwi-350 yeemitha, ukusombulula ngokuthe ngqo indawo yentlungu "yokungakwazi ukulinganisa kude" kwiimeko zophando ezinkulu ezifana neendawo zeentaba kunye neentlango ze-drones.
② Ububanzi be-Pulse (ns): ukulungiswa ukusuka kwi-1 ukuya kwi-10ns. Imveliso eqhelekileyo inobushushu obugcweleyo (-40 ~ 85 ℃) i-pulse ububanzi beqondo lokushisa lokuhamba kwe-≤ 0.5ns; phambili, inokufikelela kwiqondo lobushushu elipheleleyo (-40 ~ 85 ℃) ipulse ububanzi lobushushu drift ≤ 0.2ns. Esi salathisi "sisikali sexesha" lokuchaneka komgama, emele ixesha le-laser pulses. Umgaqo wokubala umgama wokufunyanwa kwedrone ngu "umgama=(isantya sokukhanya x ixesha lokujikeleza lokujikeleza)/2", ngoko ke ububanzi bepulse bumisela ngokuthe ngqo "ukuchaneka komlinganiselo wexesha". Xa ububanzi be-pulse buncitshisiwe, "ubukhali bexesha" lokunyuka kwe-pulse, kwaye impazamo yexesha phakathi "kwexesha lokukhutshwa kwe-pulse" kunye "nexesha lokufumana i-pulse reflected" ekupheleni kokufumana kuya kuncitshiswa kakhulu.
③ Uzinzo lwe-Wavelength: ngaphakathi kwe-1pm / ℃, ububanzi bomgca kwiqondo lokushisa elipheleleyo le-0.128nm "yi-anchor echanekileyo" phantsi kokuphazamiseka kokusingqongileyo, kunye noluhlu lokuguquguquka kwe-laser output wavelength kunye nobushushu kunye nokutshintsha kombane. Inkqubo yokufumanisa kwi-1.5 μ m yebhendi yobude be-wavelength ihlala isebenzisa itekhnoloji ye-"wavelength diversity reception" okanye "interferometry" itekhnoloji ukuphucula ukuchaneka, kwaye ukuguquguquka kwe-wavelength kunokubangela ngokuthe ngqo ukutenxa kwebenchmark yomlinganiselo - umzekelo, xa idrone isebenza kwindawo ephezulu, ubushushu bendawo bunokunyuka ukusuka kwi -10 ℃ ukuya kwi-10 ℃. Ukuba i-coefficient yobushushu be-wavelength ye-1.5 μ m i-fiber laser yi-5pm/℃, i-wavelength iya kutshintsha nge-200pm, kwaye impazamo yokulinganisa umgama ohambelanayo iya kunyuka nge-0.3 millimeters (ephuma kwifomula yokulungelelanisa phakathi kobude kunye nesantya sokukhanya). Ngokukodwa kwipatroli yentambo yombane yenqwelo-moya engenamntu, iiparamitha ezichanekileyo ezifana nesagi yocingo kunye nomgama ophakathi kwelayini kufuneka zilinganiswe. Ubude obungazinzanga bunokukhokelela ekuphambukeni kwedatha kwaye kuchaphazele uvavanyo lokhuseleko lomgca; I-laser ye-1.5 μ m usebenzisa iteknoloji yokutshixa i-wavelength inokulawula uzinzo lwe-wavelength ngaphakathi kwe-1pm / ℃, iqinisekisa ukuchaneka komgangatho wesentimitha naxa utshintsho lweqondo lokushisa lwenzeka.
④ I-synergy yesalathisi: "I-balancer" phakathi kokuchaneka kunye noluhlu lweemeko zokubona i-drone, apho izikhombisi zingenzi ngokuzimeleyo, kodwa kunobudlelwane obunobudlelwane okanye obunokuthintela. Umzekelo, ukwandisa amandla aphezulu kunokwandisa uluhlu lokubona, kodwa kuyimfuneko ukulawula ububanzi be-pulse ukunqanda ukuhla kokuchaneka (ibhalansi "yamandla aphezulu + i-pulse emxinwa" kufuneka iphunyezwe ngetekhnoloji yoxinzelelo lwe-pulse); Ukuphucula umgangatho we-beam kunokuphucula ngaxeshanye uluhlu kunye nokuchaneka (ukugxininiswa kwe-beam kunciphisa inkcitho yamandla kunye nokuphazamiseka kokulinganisa okubangelwa amabala okukhanya adlulanayo kumgama omde). I-advanteji ye-1.5 μ m ifayibha laser ilele kubuchule bayo bokufezekisa ukulungelelaniswa kwe-synergistic "amandla aphezulu aphezulu (1-10 kW), ububanzi obuncinci be-pulse (1-10 ns), umgangatho ophezulu we-beam (M ² <1.5), kunye nozinzo oluphezulu lwamaza (<1pm / ℃)" ngokusebenzisa iimpawu eziphantsi zelahleko ze-fiber media kunye ne-pulse technology. Oku kuphumeza impumelelo ephindwe kabini "yomgama omde (iimitha ezingama-300-500) + ukuchaneka okuphezulu (inqanaba leesentimitha)" ekubhaqweni kwesithuthi somoya esingaqhutywa mntu, ekwalukhuphiswano lwayo olungundoqo ekuthatheni indawo iilaser zemveli ze-905nm kunye ne-1064nm kuvavanyo lwenqwelomoya olungenamntu, uhlangulo olungxamisekileyo kunye nezinye iimeko.
Customizable
✅ Ububanzi be-pulse obuzinzileyo kunye neemfuno zokuqhutywa kweqondo lobushushu
✅ Uhlobo lwemveliso & nesebe lemveliso
✅ Umlinganiselo wokwahlulwa kwesebe elikhanyayo
✅ Umndilili uzinzo lwamandla
✅ Imfuno yendawo
Ixesha lokuposa: Oct-28-2025