Nyob rau hauv lub nthwv dej ntawm kev txhim kho cov kev soj ntsuam thiab daim ntawv qhia thaj chaw kev lag luam rau kev ua tau zoo thiab precision, 1.5 μ m fiber ntau lasers tau dhau los ua lub hauv paus tsav tsheb quab yuam rau kev lag luam loj hlob nyob rau hauv ob qho chaw loj ntawm unmanned aerial tsheb soj ntsuam thiab handheld soj ntsuam, ua tsaug rau lawv sib sib zog nqus adaptation rau scene yuav tsum. Nrog rau kev loj hlob ntawm cov ntawv thov xws li kev soj ntsuam qhov siab qis thiab daim phiaj xwm xwm txheej ceev siv cov drones, nrog rau kev rov ua dua ntawm cov khoom siv hauv tes scanning ntawm qhov siab thiab txav tau yooj yim, lub ntiaj teb kev lag luam loj ntawm 1.5 μ m fiber ntau lasers rau kev soj ntsuam tau tshaj 1.2 billion yuan los ntawm 2024, nrog rau kev thov rau cov tsheb tsis muaj neeg tsav tsheb thiab kev tuav pov hwm txhua xyoo, kev loj hlob ntawm 6%. tus nqi ntawm 8.2%. Tom qab qhov kev thov no boom yog qhov zoo tshaj plaws resonance ntawm qhov kev ua tau zoo ntawm 1.5 μ m band thiab cov kev cai nruj rau qhov raug, kev nyab xeeb, thiab kev hloov pauv ib puag ncig hauv kev tshawb fawb scenarios.
1, Cov Khoom Muag Khoom
Lub "1.5um Fiber Laser Series" ntawm Lumispot txais MOPA amplification technology, uas muaj lub siab ncov lub zog thiab electro-optical conversion efficiency, tsawg ASE thiab nonlinear nyhuv suab nrov piv, thiab ib tug dav ua hauj lwm kub ntau yam, ua rau nws haum rau siv raws li ib tug LiDAR laser emission qhov chaw. Hauv kev soj ntsuam cov tshuab xws li LiDAR thiab LiDAR, 1.5 μ m fiber ntau laser yog siv los ua lub hauv paus emitting lub teeb ci, thiab nws cov ntsuas kev ua tau ncaj qha txiav txim siab "qhov tseeb" thiab "ntev" ntawm kev tshawb pom. Qhov kev ua tau zoo ntawm ob qhov loj me no ncaj qha cuam tshuam rau kev ua tau zoo thiab kev ntseeg siab ntawm cov tsheb tsis muaj neeg tsav dav hlau hauv kev soj ntsuam struts, lub hom phiaj paub, kev saib xyuas hluav taws xob thiab lwm yam xwm txheej. Los ntawm qhov kev xav ntawm cov cai ntawm lub cev kis tau tus mob thiab cov teeb liab ua cov logic, peb qhov tseem ceeb qhia txog lub zog siab tshaj plaws, pulse width, thiab wavelength stability yog cov hloov pauv tseem ceeb uas cuam tshuam rau kev txheeb xyuas qhov tseeb thiab ntau yam. Lawv cov txheej txheem ntawm kev txiav txim tuaj yeem decomposed los ntawm tag nrho cov saw ntawm "cim kis tau tus mob atmospheric kis lub hom phiaj xav txog lub teeb liab txais tos".
2 、 Daim ntawv thov teb
Hauv thaj chaw ntawm kev soj ntsuam huab cua tsis muaj neeg siv thiab ua daim ntawv qhia, qhov kev thov rau 1.5 μ m fiber ntau lasers tau tawg vim lawv qhov kev daws teeb meem ntawm qhov mob hauv kev ua haujlwm hauv huab cua. Lub tsheb tsis muaj neeg tsav dav hlau muaj kev txwv nruj ntawm qhov ntim, qhov hnyav, thiab lub zog noj ntawm lub load, thaum lub compact qauv tsim thiab lub teeb yuag yam ntxwv ntawm 1.5 μ m fiber ntau laser tuaj yeem compress lub luj ntawm lub laser radar system mus rau ib feem peb ntawm cov khoom siv ib txwm, zoo kawg nkaus yoog mus rau ntau hom unmanned aerial tsheb qauv xws li multi rotor thiab tis tis. Qhov tseem ceeb tshaj, cov qhab no nyob rau hauv "qhov rais kub" ntawm atmospheric kis tau tus mob. Piv nrog rau feem ntau siv 905nm laser, nws kis tau tus mob attenuation yog txo los ntawm ntau tshaj 40% nyob rau hauv complex huab cua tej yam kev mob xws li haze thiab plua plav. Nrog lub zog siab tshaj plaws txog li kW, nws tuaj yeem ncav cuag qhov deb ntawm ntau dua 250 meters rau cov hom phiaj nrog kev cuam tshuam ntawm 10%, daws qhov teeb meem ntawm "kev pom tsis meej thiab ntsuas qhov deb" rau cov tsheb tsis muaj neeg tsav dav hlau thaum tshawb fawb hauv thaj chaw roob, suab puam thiab lwm thaj chaw. Nyob rau tib lub sijhawm, nws cov yam ntxwv zoo ntawm tib neeg lub qhov muag kev nyab xeeb - tso cai rau lub zog siab tshaj 10 npaug ntawm 905nm laser - ua kom cov drones ua haujlwm ntawm qhov siab qis yam tsis tas yuav tsum muaj cov cuab yeej tiv thaiv kev nyab xeeb ntxiv, txhim kho kev nyab xeeb thiab yoog raws thaj chaw xws li kev soj ntsuam hauv nroog thiab kev ua liaj ua teb.
Nyob rau hauv lub teb ntawm handheld soj ntsuam thiab daim ntawv qhia, qhov kev thov nce rau 1.5 μ m fiber ntau lasers yog ze ze rau cov tub ntxhais xav tau ntawm cov cuab yeej portability thiab siab precision. Niaj hnub nimno handheld soj ntsuam cov cuab yeej yuav tsum sib npaug adaptability rau complex scenes thiab yooj yim ntawm kev khiav hauj lwm. Cov suab nrov qis thiab cov kab teeb ci siab zoo ntawm 1.5 μ m fiber ntau lasers ua rau cov khoom siv tes tuav kom ua tiav micrometer qib ntsuas qhov tseeb, ua tau raws li cov kev xav tau siab xws li kev coj noj coj ua ntawm digitization thiab kev lag luam tivthaiv. Piv nrog rau cov tsoos 1.064 μ m lasers, nws muaj peev xwm tiv thaiv kev cuam tshuam tau zoo dua qub nyob rau sab nraum zoov lub teeb muaj zog. Ua ke nrog cov yam ntxwv ntawm kev ntsuas tsis sib cuag, nws tuaj yeem tau txais cov ntaub ntawv peb-dimensional ntawm huab cua hauv cov xwm txheej xws li kev txhim kho lub tsev qub thiab qhov chaw cawm thaum muaj xwm txheej ceev, yam tsis tas yuav tsum muaj lub hom phiaj ua ntej. Dab tsi yog qhov tseem ceeb tshaj plaws yog tias nws cov qauv ntim compact tuaj yeem muab tso rau hauv cov khoom siv tes uas hnyav dua 500 grams, nrog rau qhov kub ntawm -30 ℃ to + 60 ℃, zoo haum rau cov kev xav tau ntawm ntau qhov kev ua haujlwm xws li kev tshawb fawb thiab kev soj ntsuam kev cob qhia.
Los ntawm qhov kev xav ntawm nws lub luag haujlwm tseem ceeb, 1.5 μ m fiber ntau lasers tau dhau los ua cov cuab yeej tseem ceeb rau kev rov tsim cov peev txheej tshawb fawb. Hauv kev tshawb nrhiav lub dav hlau tsis muaj neeg siv, nws ua haujlwm raws li "lub plawv" ntawm lub laser radar, ua tiav qib centimeter xws li qhov tseeb los ntawm nanosecond pulse tso zis, muab cov ntaub ntawv siab ceev huab cua rau struts 3D qauv thiab cov kab hluav taws xob txawv teb chaws cov khoom tshawb nrhiav, thiab txhim kho kev ua haujlwm ntawm cov khoom siv dav hlau tsis siv neeg ntau dua li kev soj ntsuam peb zaug. Nyob rau hauv cov ntsiab lus ntawm lub teb chaws daim ntawv ntsuam xyuas av, nws ntev-ntev kev muaj peev xwm mus cuag tau zoo soj ntsuam ntawm 10 square kilometers ib lub davhlau, nrog rau cov ntaub ntawv yuam kev tswj nyob rau hauv 5 centimeters. Hauv kev soj ntsuam ntawm tes, nws txhawb nqa cov cuab yeej kom ua tiav "scan thiab tau" kev ua haujlwm: hauv kev tiv thaiv kab lis kev cai, nws tuaj yeem ntes cov ntsiab lus zoo nkauj ntawm cov kab lis kev cai thiab muab millimeter qib 3D qauv rau digital archiving; Nyob rau hauv qhov rov qab engineering, geometric cov ntaub ntawv ntawm complex Cheebtsam yuav tau sai sai, accelerating cov khoom tsim iterations; Hauv kev soj ntsuam thaum muaj xwm txheej ceev thiab daim ntawv qhia, nrog lub sijhawm ua cov ntaub ntawv muaj peev xwm ua tau, tus qauv peb-seem ntawm thaj chaw cuam tshuam tuaj yeem tsim nyob rau hauv ib teev tom qab av qeeg, dej nyab, thiab lwm yam kev puas tsuaj tshwm sim, muab kev txhawb nqa tseem ceeb rau kev txiav txim siab cawm. Los ntawm cov kev tshawb fawb loj hauv huab cua kom meej hauv av, 1.5 μ m fiber ntau laser yog tsav kev tshawb fawb kev lag luam mus rau lub sijhawm tshiab ntawm "siab precision + high efficiency".
3, Core zoo
Lub ntsiab lus ntawm qhov kev tshawb pom ntau yog qhov deb tshaj plaws uas cov photons tawm los ntawm lub laser tuaj yeem kov yeej atmospheric attenuation thiab lub hom phiaj kev xav poob, thiab tseem raug ntes los ntawm qhov kawg tau txais txiaj ntsig zoo. Cov ntsuas hauv qab no ntawm qhov ci ci laser 1.5 μ m fiber ntau laser ncaj qha ua tus txheej txheem no:
① Peak zog (kW): tus qauv 3kW @ 3ns & 100kHz ； Cov khoom kho dua tshiab 8kW @ 3ns & 100kHz yog "cov tub ntxhais tsav tsheb" ntawm qhov kev tshawb nrhiav, sawv cev rau lub zog tam sim no tso tawm los ntawm lub laser hauv ib qho mem tes, thiab yog qhov tseem ceeb ntawm kev txiav txim siab lub zog ntawm cov teeb liab nyob deb. Hauv kev tshawb nrhiav drone, photons yuav tsum tau mus ncig ntau pua lossis ntau txhiab meters los ntawm huab cua, uas tuaj yeem ua rau muaj kev cuam tshuam vim Rayleigh tawg thiab nqus aerosol (txawm hais tias 1.5 μ m band belongs rau "lub qhov rais atmospheric", tseem tseem muaj qhov attenuation). Tib lub sijhawm, lub hom phiaj ntawm qhov kev xav ntawm qhov chaw (xws li qhov sib txawv ntawm cov nroj tsuag, hlau, thiab pob zeb) kuj tuaj yeem ua rau lub teeb liab poob. Thaum lub zog siab tshaj plaws tau nce ntxiv, txawm tias tom qab qhov kev ncua deb thiab kev xav tsis zoo, tus naj npawb ntawm photons mus txog qhov kawg tau tseem tuaj yeem ua tau raws li "lub teeb liab-rau-nruab nrab qhov pib", yog li txuas ntxiv qhov kev tshawb pom ntau yam - piv txwv li, los ntawm kev nce lub ncov lub zog ntawm 1.5 μ m fiber ntau laser los ntawm 1kW txog 5kW, nyob rau hauv cov xwm txheej zoo ib yam ntawm 10% ntawm qhov ntsuas tau pom. ncua los ntawm 200 meters mus rau 350 meters, ncaj qha daws qhov mob point ntawm "tsis muaj peev xwm ntsuas tau deb" nyob rau hauv loj-scale soj ntsuam scenarios xws li roob roob thiab suab puam rau drones.
② Pulse dav (ns): adjustable ntawm 1 mus rau 10ns. Cov khoom txheem muaj qhov kub thiab txias (-40 ~ 85 ℃) pulse dav kub drift ntawm ≤ 0.5ns; Ntxiv mus, nws tuaj yeem ncav cuag qhov kub thiab txias (-40 ~ 85 ℃) pulse dav kub drift ntawm ≤ 0.2ns. Qhov ntsuas no yog "lub sijhawm teev" ntawm qhov tseeb ntawm qhov deb, sawv cev rau lub sijhawm ntawm laser pulses. Lub hauv paus ntsiab lus ntawm kev xam qhov deb rau kev tshawb pom drone yog "nruab nrab = (lub teeb nrawm x mem tes ncig mus ncig) / 2", yog li qhov dav pulse ncaj qha txiav txim siab "lub sijhawm ntsuas qhov tseeb". Thaum qhov dav ntawm mem tes txo qis, "lub sij hawm sharpness" ntawm lub mem tes nce, thiab lub sij hawm yuam kev ntawm lub "mulse emission time" thiab "reflected mem tes txais lub sij hawm" ntawm qhov kawg tau txais yuav txo qis.
③ Wavelength stability: nyob rau hauv 1pm / ℃, txoj kab dav ntawm tag nrho cov kub ntawm 0.128nm yog "qhov tseeb thauj tog rau nkoj" nyob rau hauv ib puag ncig cuam tshuam, thiab qhov hloov pauv ntawm laser tso zis wavelength nrog kub thiab voltage hloov. Lub tshuab kuaj pom nyob rau hauv 1.5 μ m wavelength band feem ntau siv " wavelength ntau haiv neeg txais tos" lossis "interferometry" thev naus laus zis los txhim kho qhov tseeb, thiab qhov hloov pauv wavelength tuaj yeem ua rau qhov ntsuas ntsuas ntsuas qhov sib txawv - piv txwv li, thaum lub drone ua haujlwm ntawm qhov siab siab, qhov kub thiab txias yuav nce ntawm -10 ℃. Yog hais tias lub wavelength kub coefficient ntawm 1.5 μ m fiber ntau laser yog 5 pm / ℃, lub wavelength yuav fluctuate los ntawm 200pm, thiab qhov sib thooj ntsuas qhov yuam kev yuav nce los ntawm 0.3 millimeters (los ntawm lub correlation formula ntawm wavelength thiab lub teeb ceev). Tshwj xeeb tshaj yog nyob rau hauv unmanned aerial tsheb fais fab kab saib xyuas, meej tsis xws li hlau sag thiab inter kab nrug yuav tsum tau ntsuas. Lub wavelength tsis ruaj khov tuaj yeem ua rau cov ntaub ntawv sib txawv thiab cuam tshuam rau kev ntsuas kev nyab xeeb ntawm kab; Lub 1.5 μ m laser siv wavelength locking thev naus laus zis tuaj yeem tswj lub wavelength stability nyob rau hauv 1pm / ℃, kom ntseeg tau cov centimeter qib nrhiav kom raug txawm tias thaum kub hloov pauv.
④ Qhov taw qhia kev sib koom ua ke: Qhov "balancer" ntawm qhov tseeb thiab ntau yam hauv qhov tseeb drone nrhiav pom qhov xwm txheej, qhov ntsuas ntsuas tsis ua nws tus kheej, tab sis theej muaj kev sib koom tes lossis kev sib raug zoo. Piv txwv li, nce lub zog siab tuaj yeem txuas ntxiv qhov kev tshawb pom, tab sis nws yog ib qho tsim nyog los tswj cov mem tes dav kom tsis txhob muaj qhov raug txo qis (qhov sib npaug ntawm "siab zog + nqaim mem tes" yuav tsum tau ua tiav los ntawm pulse compression technology); Optimizing beam zoo tau ib txhij txhim kho ntau yam thiab raug (nqaj concentration txo lub zog pov tseg thiab kev ntsuas cuam tshuam los ntawm cov teeb pom kev sib tshooj ntawm qhov ntev). Qhov kom zoo dua ntawm 1.5 μ m fiber ntau laser lies nyob rau hauv nws lub peev xwm ua tau zoo synergistic optimization ntawm "siab ncov hwj chim (1-10 kW), nqaim mem tes dav (1-10 ns), siab beam zoo (M ² <1.5), thiab siab wavelength stability (<1pm / ℃)" los ntawm qhov tsawg poob yam ntxwv ntawm fiber ntau thiab pulse modulation. Qhov no ua tiav ob qho kev sib tw ntawm "ntev deb (300-500 meters) + siab precision (centimeter theem)" hauv kev tshawb nrhiav lub tsheb tsis muaj neeg tsav tsheb, uas tseem yog nws cov kev sib tw tseem ceeb hauv kev hloov cov tsoos 905nm thiab 1064nm lasers hauv kev tshawb nrhiav tsheb tsis muaj neeg tsav tsheb, kev cawm thaum muaj xwm txheej ceev thiab lwm yam xwm txheej.
Customizable
✅ Tsau pulse dav & mem tes dav kub drift yuav tsum
✅ Tso zis hom & tso zis ceg
✅ Siv lub teeb ceg splitting piv
✅ Nruab nrab lub zog ruaj khov
✅ Localization xav tau
Post lub sij hawm: Oct-28-2025