A cikin yunƙurin haɓaka masana'antar bincike da taswira taswirar bayanan yanki zuwa inganci da daidaito, 1.5 μm fiber lasers suna zama tushen ƙarfin haɓaka kasuwa a cikin manyan fannoni biyu na binciken ababen hawa marasa matuƙa da binciken hannu, godiya ga zurfin daidaitawa ga buƙatun wurin. Tare da haɓakar haɓakar aikace-aikacen kamar binciken ƙasa mai tsayi da taswirar gaggawa ta amfani da jirage marasa matuƙa, da haɓakar na'urorin binciken hannu zuwa daidaitattun daidaito da ɗaukar nauyi, girman kasuwar duniya na Laser fiber fiber 1.5 μm don binciken ya zarce yuan biliyan 1.2 nan da shekarar 2024, tare da buƙatar motocin da ba a sarrafa ba da kuma ci gaban na'urori na shekara-shekara, jimlar ci gaban na'urori na shekara-shekara. 8.2%. Bayan wannan buƙatun buƙatun shine ingantacciyar magana tsakanin keɓantaccen aikin ƙungiyar 1.5 μm da ƙaƙƙarfan buƙatu don daidaito, aminci, da daidaita yanayin muhalli a cikin binciken al'amuran.
1. Bayanin Samfura
The "1.5um Fiber Laser Series" na Lumispot ya rungumi fasahar haɓaka MOPA, wanda ke da babban iko mai ƙarfi da ingantaccen juzu'i na electro-optical, ƙarancin ASE da haɓakar ƙarar tasirin da ba ta dace ba, da kewayon zafin aiki mai fa'ida, yana sa ya dace don amfani azaman tushen fitar da Laser na LiDAR. A cikin tsarin bincike kamar LiDAR da LiDAR, ana amfani da Laser fiber 1.5 μm azaman tushen hasken haske, kuma alamun aikin sa kai tsaye suna tantance "daidai" da "tsayin" ganowa. Ayyukan waɗannan matakai guda biyu suna da alaƙa kai tsaye da inganci da amincin motocin jirage marasa matuƙa a cikin binciken ƙasa, gano manufa, sintiri na layin wutar lantarki da sauran al'amura. Daga mahangar dokokin watsawa ta zahiri da dabarun sarrafa sigina, manyan alamomi guda uku na ƙarfin kololuwa, faɗin bugun bugun jini, da kwanciyar hankali sune maɓalli masu canji waɗanda ke shafar daidaiton ganowa da kewayo. Za a iya ruguza tsarin aikin su ta hanyar dukkanin jerin "siginar watsa siginar watsawar siginar karɓar siginar tunani".
2. Filin Aikace-aikace
A fagen binciken sararin samaniya da taswira marasa matuki, buƙatar laser 1.5 μm fiber lasers ya fashe saboda madaidaicin ƙudurinsu na maki zafi a cikin ayyukan iska. Dandalin abin hawa mara matuki yana da tsauraran iyakoki akan ƙarar, nauyi, da amfani da kuzarin abin da aka biya, yayin da ƙarancin tsari da halaye masu nauyi na 1.5 μm fiber Laser na iya damfara nauyin tsarin radar Laser zuwa kashi ɗaya bisa uku na kayan aikin gargajiya, daidai gwargwado ga nau'ikan nau'ikan nau'ikan abubuwan hawa marasa matuƙa kamar na'ura mai juyi da kafaffen reshe. Mafi mahimmanci, wannan band ɗin yana cikin "tagar zinariya" na watsawar yanayi. Idan aka kwatanta da Laser 905nm da aka saba amfani da shi, an rage saurin watsa shi da fiye da 40% a ƙarƙashin hadadden yanayin yanayi kamar hazo da ƙura. Tare da kololuwar ikon har zuwa kW, zai iya cimma nisan ganowa fiye da mita 250 don maƙasudi tare da nuna haske na 10%, warware matsalar "gani mara kyau da ma'aunin nesa" ga motocin da ba a sarrafa su ba yayin bincike a wuraren tsaunuka, hamada da sauran yankuna. A lokaci guda kuma, kyakkyawan yanayin lafiyar idon ɗan adam - yana ba da damar kololuwar ƙarfi fiye da sau 10 na Laser na 905nm - yana ba da damar jirage marasa matuƙa su yi aiki a ƙananan tudu ba tare da buƙatar ƙarin na'urorin kariya masu aminci ba, suna haɓaka aminci da sassauƙa na wuraren mutane kamar binciken birane da taswirar aikin gona.
A fagen binciken hannu da taswira, karuwar buƙatun Laser fiber 1.5 μm yana da alaƙa da ainihin buƙatun ɗaukar na'urar da daidaici mai girma. Kayan aikin bincike na hannu na zamani yana buƙatar daidaita daidaitawa zuwa rikitattun wurare da sauƙin aiki. Ƙananan fitowar amo da babban ingancin katako na 1.5 μm fiber lasers suna ba da damar na'urorin daukar hoto don cimma daidaiton ma'aunin micrometer, biyan madaidaicin buƙatun kamar digitization relic relic da gano abubuwan masana'antu. Idan aka kwatanta da na'urar laser na 1.064 μm na gargajiya, ikon hana tsangwama yana inganta sosai a cikin yanayin haske mai ƙarfi na waje. Haɗe da halayen ma'aunin da ba na tuntuɓar sadarwa ba, zai iya samun saurin samun bayanan girgije mai girma uku a cikin al'amuran kamar tsohon ginin gini da wuraren ceton gaggawa, ba tare da buƙatar aiwatar da manufa ba. Abin da ya fi dacewa shi ne cewa za a iya haɗa ƙirar marufi ta cikin na'urorin hannu waɗanda nauyinsu bai wuce gram 500 ba, tare da kewayon zafin jiki na -30 ℃ zuwa + 60 ℃, daidai da bukatun ayyukan yanayi da yawa kamar binciken filin da duba bita.
Daga hangen babban rawar da yake takawa, 1.5 μm fiber lasers sun zama na'ura mai mahimmanci don sake fasalin damar binciken. A cikin binciken abin hawa mara matuki, yana aiki a matsayin "zuciya" na radar laser, yana samun matakin santimita daidai daidai ta hanyar fitowar bugun jini na nanosecond, samar da bayanan girgije mai girma don ƙirar 3D na ƙasa da layin wutar lantarki na gano abubuwan waje, da haɓaka haɓakar binciken abin hawa mara matuƙi ta hanyoyin gargajiya fiye da sau uku; A cikin mahallin binciken filaye na ƙasa, iyawar sa na gano dogon zango zai iya cimma ingantaccen binciken na murabba'in kilomita 10 a kowane jirgin sama, tare da sarrafa kurakuran bayanai tsakanin santimita 5. A fagen binciken hannu, yana ba da damar na'urori don cimma "bincike da samun" ƙwarewar aiki: a cikin kariyar al'adun gargajiya, yana iya kama cikakkun bayanan rubutun kayan tarihi na al'adu da kuma samar da ƙirar milimita matakin 3D don adana bayanan dijital; A cikin aikin injiniya na baya, ana iya samun bayanan geometric na hadaddun abubuwa da sauri, haɓaka ƙirar ƙirar samfuri; A cikin binciken gaggawa da taswirar taswira, tare da ikon sarrafa bayanai na ainihi, ana iya samar da nau'i mai nau'i uku na yankin da abin ya shafa a cikin sa'a daya bayan girgizar kasa, ambaliya, da sauran bala'o'i, suna ba da tallafi mai mahimmanci don yanke shawara na ceto. Daga manyan binciken sararin samaniya zuwa madaidaicin sikanin ƙasa, Laser 1.5 μm fiber Laser yana jagorantar masana'antar binciken zuwa wani sabon zamani na "madaidaici + babban inganci".
3. Core abũbuwan amfãni
Ma'anar kewayon ganowa shine mafi nisa mafi nisa wanda photons da laser ke fitarwa zai iya shawo kan attenuation na yanayi da asarar hangen nesa, kuma har yanzu ana kama shi ta hanyar karɓuwa azaman sigina masu tasiri. Alamun masu zuwa na tushen haske mai haske Laser 1.5 μm fiber Laser kai tsaye sun mamaye wannan tsari:
① Peak Power (kW): daidaitaccen 3kW @ 3ns & 100kHz ； Samfurin haɓakawa 8kW@3ns & 100kHz shine "ƙarfin tuƙi" na kewayon ganowa, yana wakiltar ƙarfin nan take da Laser ya saki a cikin bugun jini guda ɗaya, kuma shine babban abin da ke ƙayyade ƙarfin siginar nesa. A cikin gano drone, photons suna buƙatar tafiya ɗaruruwan ko ma dubban mita ta cikin yanayi, wanda zai iya haifar da raguwa saboda watsawar Rayleigh da shayarwar iska (ko da yake band ɗin 1.5 μm yana cikin "tagar yanayi", har yanzu akwai haɓakar haɓakawa). A lokaci guda, hangen nesa mai niyya (kamar bambance-bambance a cikin ciyayi, karafa, da duwatsu) na iya haifar da asarar sigina. Lokacin da ƙarfin kololuwa ya karu, ko da bayan dogon nisa da hasarar tunani, adadin photons da ke kaiwa ƙarshen karɓar har yanzu na iya saduwa da "ƙofar siginar sigina-zuwa-amo", ta haka yana faɗaɗa kewayon ganowa - alal misali, ta ƙara ƙarfin 1.5 μm fiber Laser daga 1kW zuwa 5kW, ƙarƙashin kewayon yanayin ganowa 1%, yana iya zama daidai da yanayin ganowa. wanda aka tsawaita daga mita 200 zuwa mita 350, kai tsaye yana warware matsalar zafi na "rashin iya auna nisa" a cikin manyan al'amuran bincike kamar wuraren tsaunuka da hamada don jirage marasa matuka.
② Faɗin bugun bugun jini (ns): daidaitacce daga 1 zuwa 10ns. A misali samfurin yana da cikakken zafin jiki (-40 ~ 85 ℃) bugun jini nisa zazzabi drift na ≤ 0.5ns; kara, shi zai iya kai cikakken zafin jiki (-40 ~ 85 ℃) bugun jini nisa zazzabi gantali na ≤ 0.2ns. Wannan alamar ita ce "ma'auni na lokaci" na daidaiton nisa, yana wakiltar tsawon lokacin bugun laser. Ka'idar lissafin nisa don gano drone shine "nisa = (gudun haske x lokacin tafiya zagaye)/2", don haka nisa bugun bugun kai tsaye yana ƙayyade "daidaicin auna lokacin". Lokacin da bugun bugun jini ya ragu, "kaifi lokaci" na bugun jini yana ƙaruwa, kuma kuskuren lokaci tsakanin "lokacin zubar da jini" da "lokacin karɓar bugun bugun jini" a ƙarshen karɓa zai ragu sosai.
③ Tsawon tsayin tsayi: tsakanin 1pm / ℃, nisa layin a cikakken zafin jiki na 0.128nm shine "daidaitaccen anka" a ƙarƙashin tsangwama na muhalli, da haɓakar kewayon fitarwa na Laser tare da canjin zafin jiki da ƙarfin lantarki. Tsarin ganowa a cikin bandeji mai tsayin mita 1.5 μm yawanci yana amfani da “karɓar bambancin raƙuman ruwa” ko fasahar “interferometry” don inganta daidaito, kuma jujjuyawar tsayi na iya haifar da juzu'in ma'aunin ma'auni kai tsaye - alal misali, lokacin da jirgi mara matuki yana aiki a tsayi mai tsayi, yanayin yanayi na iya tashi daga -10 ℃ zuwa 3.0 ℃. Idan ma'aunin zafin zafin jiki na 1.5 μm fiber Laser shine 5pm/℃, tsawon zangon zai canza da 200pm, kuma kuskuren ma'aunin nisa daidai zai karu da 0.3 millimeters (wanda aka samo daga tsarin daidaitawa tsakanin tsayin tsayi da saurin haske). Musamman a sintirin layin wutar lantarki na jirgin sama marasa matuki, ana buƙatar auna madaidaicin sigogi kamar sag na waya da tazarar tsaka-tsakin layi. Tsawon tsayin daka zai iya haifar da karkatar da bayanai kuma yana shafar ƙimar amincin layi; Laser na 1.5 μm ta amfani da fasahar kulle tsayin raƙuman ruwa na iya sarrafa kwanciyar hankali tsakanin 1pm/℃, yana tabbatar da daidaiton matakin santimita koda lokacin canjin yanayi ya faru.
④ Haɗin kai mai nuni: "Ma'auni" tsakanin daidaito da kewayo a ainihin yanayin gano jirgin sama, inda masu nuni ba sa aiki da kansu, amma suna da haɗin gwiwa ko ƙuntatawa. Alal misali, ƙara ƙarfin kololuwa na iya tsawaita kewayon ganowa, amma wajibi ne don sarrafa girman bugun jini don guje wa raguwar daidaito (ma'auni na "babban iko + kunkuntar bugun jini" yana buƙatar samun nasara ta hanyar fasahar bugun bugun jini); Haɓaka ingancin katako na iya haɓaka kewayon lokaci guda da daidaito (haɗin gwiwar katako yana rage sharar makamashi da tsangwama a cikin ma'auni wanda ya haifar da tabo haske a nesa mai nisa). Amfanin 1.5 μ m fiber Laser yana cikin ikonsa don cimma haɓaka haɓaka haɓakawa na "mafi girman ƙarfi (1-10 kW), kunkuntar bugun bugun jini (1-10 ns), ingancin katako mai tsayi (M ² <1.5), da kwanciyar hankali mai tsayi (<1pm / ℃)” ta hanyar ƙarancin hasara na fasahar fiber media da pulse. Wannan ya sami ci gaba mai dual na "nisa mai nisa (mita 300-500)+ babban madaidaici (matakin santimita)" a cikin gano abin hawa mara matuki, wanda kuma shine babban gasa na maye gurbin 905nm na al'ada da 1064nm lasers a cikin binciken motocin marasa matuki, ceton gaggawa da sauran yanayin.
Mai iya daidaitawa
✅ Kafaffen buɗaɗɗen bugun jini & buƙatun buƙatun zafin jiki mai faɗi
✅ Nau'in fitarwa & reshe na fitarwa
✅ Rarraba rabon reshe na haske
✅ Matsakaicin kwanciyar hankali
✅ Bukatar yanki
Lokacin aikawa: Oktoba-28-2025