Muchikamu chekusimudzira indasitiri yeruzivo rwenzvimbo yekuongorora uye kugadzira mepu yekushanda uye nemazvo, 1.5 μ m fiber lasers iri kuita simba rekufambisa mukukura kwemusika muminda mikuru miviri yekuongororwa kwemotokari yemuchadenga isina kufambiswa uye ongororo yakabatwa nemaoko, nekuda kwekuenderana kwavo kwakadzama nezvinodiwa zvechiitiko. Nekukura kuri kukura kwezvishandiso zvakaita seyekutarisa kwakadzika uye mepu yechimbichimbi uchishandisa drones, pamwe nekudzokororwa kwemidziyo yekuongorora yakabatwa neruoko yakanangana nepamusoro uye kutakurika, saizi yemusika wepasi rose ye1.5 μ m fiber lasers yekuongorora yakapfuura bhiriyoni 1.2 yuan panosvika 2024, paine kudiwa kweasina kurongeka emuchadenga mota neavhareji yeavhareji yemotokari dzepagore uye 0 kuchengetedza avhareji yemidziyo yegore chiyero che8.2%. Seri kweichi chinodiwa boom kune resonance yakakwana pakati pekuita kwakasarudzika kwe1.5 μ m bhendi uye zvakaomesesa zvinodiwa zvekurongeka, kuchengetedza, uye kuchinjika kwezvakatipoteredza mukuongorora mamiriro.
1, Chigadzirwa Overview
Iyo "1.5um Fiber Laser Series" yeLumispot inotora MOPA amplification tekinoroji, iyo ine yakakwirira yepamusoro simba uye electro-optical shanduko inoshanda, yakaderera ASE uye nonlinear mhedzisiro ruzha reshiyo, uye yakafara yekushanda tembiricha, ichiita kuti ive yakakodzera kushandiswa seLiDAR laser emission sosi. Mukuongorora masisitimu akadai seLiDAR neLiDAR, 1.5 μ m fiber laser inoshandiswa seyakanyanya kubudisa chiedza sosi, uye zviratidzo zvayo zvekushanda zvinotarisa zvakananga "kururama" uye "hupamhi" hwekuonekwa. Kuitwa kwezviyero zviviri izvi kwakanangana nekubudirira uye kuvimbika kwemotokari dzemuchadenga dzisina kufambiswa mukuongorora kwenzvimbo, kucherechedzwa kwechinangwa, kutenderera kwemagetsi uye zvimwe zviitiko. Kubva pamaonero emitemo yekutapurirana kwemuviri uye chiratidzo chekugadzirisa logic, izvo zvitatu zvakakosha zviratidzo zvesimba repamusoro, pulse hupamhi, uye wavelength kugadzikana ndiwo akakosha akasiyana anokanganisa kuona uye huwandu. Maitiro avo ekuita anogona kuderedzwa kuburikidza neketani yese ye "signal transmission atmospheric transmission target reflection signal reception".
2, Minda Yekushandisa
Mundima yekuongorora kwemhepo isina kurongwa uye mepu, kudiwa kwe1.5 μ m fiber lasers kwakaputika nekuda kwekugadzirisa kwavo kwakanyatsogadzirisa kwemarwadzo mukushanda kwemhepo. Iyo isina kutakurwa yemuchadenga chikuva chemuchadenga ine zvipimo zvakasimba pahuwandu, huremu, uye kushandiswa kwesimba kwemubhadharo, nepo compact dhizaini dhizaini uye huremu hunhu hwe1.5 μ m fiber laser inogona kudzvanya huremu hwelaser radar system kusvika kune chimwe chetatu chemidziyo yechinyakare, ichinyatso kuenderana nemhando dzakasiyana dzemhando dzemotokari dzemuchadenga dzisina kurongeka senge multi rotor uye bapiro rakagadziriswa. Zvinotonyanya kukosha, bhendi iri riri mu "hwindo regoridhe" rekufambiswa kwemhepo. Kuenzaniswa neanowanzo shandiswa 905nm laser, kutapurirana kwayo kunodzikiswa neanopfuura makumi mana muzana pasi pemamiriro ekunze akaomarara akadai semhute neguruva. Nesimba repamusoro-soro rinosvika kW, rinogona kuwana chinhambwe chekuona chinodarika 250 metres kune zvinangwa zvine reflectivity ye10%, kugadzirisa dambudziko re "kuonekwa kusinganzwisisike uye kuyerwa kwechinhambwe" chemotokari dzemuchadenga dzisina kutakurwa panguva yekuongorora munzvimbo dzemakomo, magwenga uye mamwe matunhu. Panguva imwecheteyo, yakanakisa kuchengetedzwa kwemaziso emunhu - inobvumira simba repamusoro rakapetwa kagumi kupfuura 905nm laser - inogonesa drones kushanda munzvimbo yakaderera pasina kudiwa kwekuwedzera kuchengetedzwa kwedziviriro, kuvandudza zvakanyanya kuchengetedzeka uye kuchinjika kwenzvimbo dzine vanhu sekutarisa mumadhorobha uye mepu yekurima.
Mumunda wekutarisa nemaoko uye mepu, kuwedzera kuri kudiwa kwe1.5 μ m fiber lasers kune hukama zvakanyanya nezvinodiwa zvemukati zvekutakurika kwechishandiso uye kunyatsojeka. Midziyo yemazuva ano yekuongorora inobatwa nemaoko inoda kuenzanisa kuchinjika kune zvakaomarara uye nyore kushanda. Iyo yakaderera ruzha inobuda uye yakakwirira danda mhando ye1.5 μ m fiber lasers inogonesa handheld scanners kuti iwane micrometer level kuyerwa, kusangana nepamusoro-chaizvo zvinodiwa senge tsika relic digitization uye kuona maindasitiri chikamu. Kana ichienzaniswa neyechinyakare 1.064 μ m lasers, kugona kwayo kwekudzivirira-kupindira kunovandudzwa zvakanyanya munzvimbo dzekunze dzakasimba dzechiedza. Yakasanganiswa neasina-kusangana kuyerwa hunhu, inogona kukurumidza kuwana matatu-dimensional point Cloud data mumamiriro ezvinhu akadai seyekudzoreredza zvivakwa zvekare uye nzvimbo dzekununura dzekukurumidzira, pasina kudiwa kwechinangwa chekutanga. Chinonyanya kucherechedzwa ndechekuti dhizaini yayo yekurongedza inogona kubatanidzwa mumidziyo inobatwa nemaoko inorema isingasviki 500 magiramu, ine tembiricha yakakura ye -30 ℃ kusvika + 60 ℃, inonyatso kuenderana nezvinodiwa zveakawanda mamiriro ekuita senge ongororo yemunda uye ongororo yewekishopu.
Kubva pamaonero ebasa rayo rekutanga, 1.5 μ m fiber lasers yave chinhu chakakosha chekugadzirisa hunyanzvi hwekuongorora. Mukuongorora kwemotokari yemuchadenga isina kufambiswa, inoshanda se "moyo" welaser radar, inowana centimita nhanho kubva mukurongeka kuburikidza nenanosecond pulse kubuda, ichipa yakakwirira-density point Cloud data yeterrain 3D modhi uye mutsara wemagetsi kuona chinhu chekunze, uye kuvandudza kushanda kweiyo isina kurongeka yekuongorora mota yemuchadenga nenzira dzinopfuura katatu zvichienzaniswa nekatatu; Mumamiriro ezvinhu ekuongorora kwenyika yenyika, kukwanisa kwayo kwekuona kwenguva refu kunogona kubudirira kuongororwa kwe10 square kilometers pakubhururuka, nekukanganisa kwedata kunodzorwa mukati me 5 centimeters. Mundima yekuongorora inobatwa nemaoko, inopa masimba emidziyo kuti iwane "scan uye kuwana" chiitiko chekushanda: mukuchengetedzwa kwenhaka yetsika, inogona kunyatsobata pamusoro pemavara ezvinyorwa zvetsika uye kupa millimeter level 3D modhi yedhijitari archiving; Mune reverse engineering, data yejometri yezvikamu zvakaoma inogona kukurumidza kuwanikwa, ichimhanyisa chigadzirwa dhizaini iterations; Mukuongorora kwekukurumidzira uye mepu, ine-chaiyo-nguva yekugadzira data kugona, matatu-dimensional modhi yenzvimbo yakakanganisika inogona kugadzirwa mukati meawa imwe mushure mekudengenyeka kwenyika, mafashamo, uye dzimwe njodzi dzinoitika, zvichipa rubatsiro rwakakosha rwekununura sarudzo. Kubva pakuongorora kukuru kwemuchadenga kusvika pakuongorora chaiko kwepasi, iyo 1.5 μ m fiber laser iri kutyaira indasitiri yekuongorora kupinda munguva itsva ye "high precision + high performance".
3、 Core zvakanakira
Iwo musimboti weiyo yekuona renji ndiyo kure kure kure uko mafotoni anoburitswa ne laser anogona kukunda mumhepo attenuation uye kutarisisa kurasikirwa kwetariro, uye ichiri kubatwa nekuguma kwekugamuchira sezviratidzo zvinoshanda. Izvi zvinotevera zviratidzo zveinopenya sosi laser 1.5 μ m fiber laser inotonga zvakananga maitiro aya:
① Peak simba (kW): yakajairwa 3kW@3ns &100kHz; Chigadzirwa chakakwidziridzwa 8kW@3ns &100kHz ndiyo "musimboti wekutyaira" wenzvimbo yekuona, inomiririra simba repakarepo rinoburitswa nelaser mukati mekupuruzira kumwe chete, uye ndicho chinhu chakakosha chinotaridza kusimba kwemasaini ekureba. Mukuonekwa kwe drone, mafotoni anofanirwa kufamba mazana kana zviuru zvemamita kuburikidza nemhepo, izvo zvinogona kukonzera kudzikisira nekuda kweRayleigh kupararira uye kunyudzwa kweaerosol (kunyangwe iyo 1.5 μ m bhendi iri ye "hwindo remuchadenga", kuchine inherent attenuation). Panguva imwecheteyo, chinangwa chepamusoro chekuratidzira (sekusiyana kwezvinomera, simbi, uye matombo) zvinogonawo kutungamira mukurasikirwa kwechiratidzo. Kana simba repamusoro rawedzerwa, kunyangwe mushure mekurebesa kureba uye kurasikirwa kwekutarisa, huwandu hwemafotoni anosvika kumagumo ekugamuchira hunogona kusangana ne "signal-to-noise ratio pachikumbaridzo", nekudaro vachiwedzera huwandu hwekuona - semuenzaniso, nekuwedzera simba repamusoro re1.5 μm fiber laser kubva pa1kW kusvika ku5kW, pasi pemamiriro akafanana, kutariswa kwenzvimbo imwe chete kunogona kukwidziridzwa kubva ku200 metres kusvika ku350 metres, kugadzirisa zvakananga marwadzo e "kusakwanisa kuyera kure" munzvimbo dzakakura dzekuongorora dzakadai semakomo uye magwenga e drones.
② Pulse width (ns): inogadziriswa kubva pa1 kusvika ku10ns. Chigadzirwa chakajairwa chine tembiricha yakazara (-40 ~ 85 ℃) pulse width tembiricha inodonha ye ≤ 0.5ns; mberi, inogona kusvika kuzere tembiricha (-40~85 ℃) pulse width tembiricha kukukurwa kwe ≤ 0.2ns. Ichi chiratidzo ndiyo "yenguva chiyero" chekurongeka kwechinhambwe, chinomiririra nguva yemapurusi laser. Iyo nhambwe yekuverenga musimboti wekuonekwa kwe drone ndeye "chinhambwe = (chiedza kukurumidza x pulse kutenderera-rwendo nguva)/2", saka hupamhi hwepurusi hunosarudza zvakananga "nguva yekuyera kurongeka". Kana hupamhi hwepulse huchideredzwa, "nguva inopinza" yekuputika kunowedzera, uye kukanganisa kwenguva pakati pe "pulse emission time" uye "inotaridza pulse reception time" pamagumo ekugamuchira ichaderedzwa zvakanyanya.
③ Wavelength kugadzikana: mukati me1pm/℃, mutsara wakafara pakupisa kwakazara kwe0.128nm ndiyo "chaiyo anchor" pasi pekukanganiswa kwezvakatipoteredza, uye kushanduka kwemhando yelaser inobuda wavelength nekupisa uye shanduko yemagetsi. Iyo yekuona sisitimu mu1.5 μ m wavelength bhendi inowanzo shandisa tekinoroji ye "wavelength diversity reception" kana "interferometry" tekinoroji kuvandudza huroyi, uye kuchinjika kwewavelength kunogona kukonzera zvakananga kuyerwa kwebhenji kutsauka - semuenzaniso, kana drone ichishanda pakakwirira, tembiricha yepakati inogona kukwira kubva -10 ℃ kusvika 10 ℃. Kana iyo wavelength tembiricha coefficient ye 1.5 μ m fiber laser iri 5pm/℃, wavelength inoshanduka ne200pm, uye chikanganiso chekuyera chinhambwe chinowirirana chichawedzera ne0.3 millimeters (chinobva pakuenzanisa formula pakati pewavelength nekumhanya kwechiedza). Kunyanya mumotokari dzemuchadenga dzisina munhu dzinofamba netambo yemagetsi, maparamita chaiwo akadai sewaya sag uye nhambwe yepakati inoda kuyerwa. Kusagadzikana kwewavelength kunogona kutungamirira kukutsauka kwedata uye kukanganisa kuongororwa kwekuchengetedzwa kwemutsara; Iyo 1.5 μ m laser inoshandisa wavelength yekuvhara tekinoroji inogona kudzora wavelength kugadzikana mukati me1pm/℃, kuve nechokwadi chekuona masendimita nhanho yekuona kunyangwe shanduko yekushisa ikaitika.
④ Indicator synergy: Iyo "balancer" pakati pekurongeka uye huwandu mune chaiyo yekuona drone scenarios, uko zviratidzo zvisingaite zvakazvimiririra, asi zvine hukama hwekubatana kana hunodzora. Semuenzaniso, kuwedzera simba repamusoro rinogona kuwedzera huwandu hwekuona, asi zvinodikanwa kudzora hupamhi hwepuru kuti udzivise kuderera kwechokwadi (chiyero che "high simba + narrow pulse" inoda kuwanikwa kuburikidza nepulse compression tekinoroji); Kunatsiridza kunaka kwebeam kunogona panguva imwe chete kunatsiridza huwandu uye huroyi (beam concentration inoderedza kupera kwesimba uye kukanganiswa kwechiyero kunokonzerwa nekupindirana kwemwenje makwapa pamadaro marefu). Kubatsira kwe1.5 μ m fiber laser iri mukukwanisa kwayo kuita synergistic optimization ye "high peak simba (1-10 kW), yakatetepa pulse width (1-10 ns), high beam quality (M ² <1.5), uye yakakwirira wavelength kugadzikana (<1pm/℃)" kuburikidza nekuderera kurasikirwa maitiro e fiber media uye pulse tekinoroji. Izvi zvinowana budiriro mbiri ye "refu refu (300-500 metres) + yakakwira chaiyo (centimita nhanho)" mukuonekwa kwemotokari yemuchadenga isina kufambiswa, kuri zvakare kukwikwidza kwayo kukuru mukutsiva echinyakare 905nm uye 1064nm lasers mukuongororwa kwemotokari yemuchadenga isina kurongwa, kununura kwechimbichimbi uye zvimwe zviitiko.
Customizable
✅ Yakagadziriswa pulse hupamhi & pulse hupamhi tembiricha yekudonha zvinodiwa
✅ Kubuda mhando & kubuda kwebazi
✅ Reference light branch splitting ratio
✅ Avhareji yesimba kugadzikana
✅ Kudiwa kwenzvimbo
Nguva yekutumira: Oct-28-2025