Lumispot Technology Co., Ltd., dangane da shekaru na bincike da ci gaba, samu nasarar ɓullo da wani karamin size da haske pulsed Laser tare da makamashi na 80mJ, maimaita mita na 20 Hz da mutum-amin-amin ido kalaman na 1.57μm. An cimma wannan sakamakon binciken ta hanyar haɓaka haɓakar tattaunawa na KTP-OPO da haɓaka fitarwa na ma'aunin laser diode tushen famfo. Bisa ga sakamakon gwajin, wannan Laser ya gana da fadi da aiki zafin jiki da ake bukata daga -45 ℃ zuwa 65 ℃ tare da m yi, kai ci-gaba matakin a kasar Sin.
Pulsed Laser Rangefinder kayan aiki ne mai auna nisa ta hanyar fa'idar bugun bugun laser wanda aka kai ga manufa, tare da cancantar iyawar madaidaicin kewayon, ƙarfin hana tsangwama da ƙaramin tsari. Ana amfani da samfurin sosai a ma'aunin injiniya da sauran fannoni. Wannan hanyar gano kewayon laser pulsed an fi amfani dashi a cikin aikace-aikacen ma'aunin nesa. A cikin wannan zangon mai nisa mai nisa, ya fi dacewa don zaɓar laser mai ƙarfi mai ƙarfi tare da babban ƙarfin ƙarfi da ƙaramin kusurwar katako, ta amfani da fasahar canza Q don fitar da bugun laser nanosecond.
Abubuwan da suka dace na pulsed Laser rangefinder sune kamar haka:
(1) Dan Adam-amintaccen Laser Rangefinder: 1.57um Oscillator na gani na gani a hankali yana maye gurbin matsayin al'ada na 1.06um na al'ada na laser rangefinder a yawancin filayen kewayon.
(2) Karamin Rangefinder Laser Rangefinder tare da ƙaramin girma da nauyi mai nauyi.
Tare da haɓaka aikin ganowa da aiwatar da tsarin hoto, ana buƙatar masu binciken kewayon Laser mai nisa waɗanda ke iya auna ƙananan maƙasudin 0.1m² sama da kilomita 20. Sabili da haka, yana da gaggawa don nazarin babban aikin laser rangefinder.
A cikin 'yan shekarun nan, Lumispot Tech ya ba da ƙoƙari ga bincike, ƙira, samarwa da siyar da 1.57um wavelength na ido-lafiya mai ƙarfi Laser tare da ƙaramin kusurwa mai watsawa da babban aiki.
Kwanan nan, Lumispot Tech, ya ƙera 1.57um-amincin ido-lafiya iska mai sanyaya Laser tare da babban ƙarfin ƙarfi da ƙaramin tsari , sakamakon buƙatun da ake buƙata a cikin bincike na miniization na nesa nesa Laser rangefinder,.Bayan gwajin, wannan Laser yana nuna fadi da fadi Abubuwan da ake buƙata na aikace-aikacen, suna da kyakkyawan aiki, haɓakar muhalli mai ƙarfi a ƙarƙashin kewayon zazzabi mai aiki daga -40 zuwa 65 digiri Celsius,
Ta hanyar ma'auni mai zuwa, tare da ƙayyadaddun adadin sauran abubuwan tunani, ta hanyar inganta ƙarfin fitarwa na kololuwa da rage kusurwar watsawar katako, zai iya inganta nisan aunawa na kewayon. A sakamakon haka, abubuwan 2: ƙimar ƙarfin fitarwa mafi girma da ƙananan katako mai tarwatsewar ƙarancin tsarin laser tare da aikin sanyaya iska shine ɓangaren maɓalli wanda ke yanke shawarar ikon auna nisa na takamaiman kewayon.
Babban ɓangaren don gane Laser tare da ɗan adam-amintaccen igiyar igiyar ido shine dabarar oscillator na gani na gani (OPO), gami da zaɓi na kristal mara layi, hanyar daidaita lokaci da ƙirar tsarin OPO na ciki. Zaɓin kristal da ba na layi ba ya dogara da babban ƙididdiga marasa daidaituwa, babban ƙofa mai lalacewa, ingantaccen sinadarai da kaddarorin jiki da manyan dabarun girma da dai sauransu, daidaitaccen lokaci yakamata ya zama fifiko. Zaɓi hanyar madaidaicin lokaci mara mahimmanci tare da babban kusurwar karɓa da ƙaramin kusurwar tashi; Tsarin rami na OPO ya kamata ya yi la'akari da inganci da ingancin katako bisa ga tabbatar da aminci.canjin canjin yanayin fitarwa na KTP-OPO tare da kusurwar matching lokaci, lokacin da θ = 90 °, hasken siginar zai iya fitar da amincin idon ɗan adam daidai. Laser. Sabili da haka, an yanke kristal da aka tsara tare da gefe ɗaya, madaidaicin kusurwar da aka yi amfani da shi θ = 90 ° ， φ = 0 °, wato, yin amfani da hanyar daidaitawa ajin, lokacin da ƙimar ƙimar da ba ta da inganci ita ce mafi girma kuma babu tasirin watsawa. .
Dangane da cikakkiyar la'akari da batun da ke sama, haɗe tare da haɓaka matakin haɓaka fasahar laser na gida na yanzu da kayan aiki, ingantacciyar hanyar fasaha ita ce: OPO ta ɗauki Class II mara mahimmin lokaci-daidaita kogin waje dual-cavity KTP-OPO zane; 2 KTP-OPOs sun faru a tsaye a cikin tsarin tandem don inganta ingantaccen juzu'i da amincin laser kamar yadda aka nuna a ciki.Hoto 1Sama.
Tushen famfo shine binciken kai-da-kai da haɓaka tsararrun laser mai sanyaya semiconductor, tare da sake zagayowar aiki na 2% a mafi yawan, ƙarfin 100W don mashaya ɗaya da jimlar ƙarfin aiki na 12,000W. Ƙaƙƙarfan kusurwar dama, madubi mai tsari duka da polarizer suna samar da polarization mai naɗe-haɗe haɗe da raƙuman fitarwa, kuma prism mai kusurwar dama da farantin igiyar ruwa ana juya su don samun abin da ake so na 1064 nm Laser kayan haɗin haɗakarwa. Hanyar daidaitawar Q shine matsi mai aiki na lantarki-na gani Q modulation bisa KDP crystal.
Hoto 1Lu'ulu'u na KTP guda biyu sun haɗa cikin jerin
A cikin wannan ma'auni, Prec shine mafi ƙarancin ƙarfin aikin da ake iya ganowa;
Pout shine ƙimar fitarwa mafi girma na ikon aiki;
D shine buɗewar tsarin gani na gani;
t shine watsa tsarin tsarin gani;
θ shine kusurwar watsawar katako na laser;
r shine ƙimar tunani na manufa;
A shine yankin da aka yi niyya daidai gwargwado;
R shine mafi girman kewayon ma'auni;
σ shine yanayin shayar da yanayin yanayi.
Hoto 2: Tsarin tsararrun mashaya mai siffar baka ta hanyar haɓaka kai,
tare da sandan crystal YAG a tsakiya.
TheHoto 2shi ne maƙallan mashaya mai siffar baka, yana sanya sandunan crystal na YAG a matsayin matsakaicin Laser a ciki na module, tare da maida hankali na 1%. Don warware sabani tsakanin motsi na laser na gefe da kuma rarraba madaidaicin fitarwa na laser, an yi amfani da rarraba madaidaicin tsararrun LD a kusurwar digiri 120. Tushen famfo shine tsayin tsayin 1064nm, nau'ikan 6000W masu lanƙwasa tsararrun mashaya a cikin jerin tandem ɗin tandem. Ƙarfin fitarwa shine 0-250mJ tare da faɗin bugun jini na kusan 10ns da mitar mai nauyi na 20Hz. Ana amfani da rami mai naɗewa, kuma ana fitar da Laser tsawon zangon 1.57μm bayan tandem KTP crystal mara nauyi.
Grafi 3Zane mai girma na 1.57um wavelength pulsed Laser
Grafi 4: 1.57um raƙuman ruwa pulsed Laser samfurin kayan aiki
Hoto na 5:1.57μm fitarwa
Hoto na 6:Ingantaccen juyi na tushen famfo
Daidaita ma'aunin makamashi na Laser don auna ƙarfin fitarwa na nau'ikan tsayin tsayin nau'ikan 2 bi da bi. Dangane da jadawali da aka nuna a ƙasa, sakamakon ƙimar makamashi shine matsakaicin ƙimar aiki a ƙarƙashin 20Hz tare da lokacin aiki na 1 min. Daga cikin su, makamashin da Laser na igiyar igiyar igiyar ruwa ta 1.57um ke samarwa yana da canji mai mahimmanci tare da alaƙar 1064nm madaidaicin famfo tushen makamashi. Lokacin da makamashi na famfo tushen daidai da 220mJ, da fitarwa makamashi na ya 1.57um wavelength Laser zai iya cimma 80mJ, tare da hira kudi har zuwa 35%. Tun da aka samar da hasken siginar OPO a ƙarƙashin aikin wasu ƙarfin ƙarfin wutar lantarki na asali na mitar hasken wuta, ƙimar ƙofarsa ya fi ƙimar ƙimar 1064 nm mahimmin hasken mitar, kuma ƙarfin fitar da shi yana ƙaruwa da sauri bayan ƙarfin famfo ya wuce ƙimar madaidaicin OPO. . Dangantakar da ke tsakanin makamashin fitarwa na OPO da inganci tare da mahimmancin ƙarfin fitarwa na hasken wutar lantarki ana nuna su a cikin adadi, daga abin da za'a iya ganin cewa ingantaccen juzu'i na OPO zai iya kaiwa zuwa 35%.
A ƙarshe, ana iya samun fitarwar bugun jini na laser 1.57μm tare da ƙarfi sama da 80mJ da faɗin bugun bugun laser na 8.5ns. kusurwar banbance-banbance na katako mai fitarwa ta laser ta hanyar faɗaɗa katako na Laser shine 0.3mrad. simulations da bincike sun nuna cewa iyawar ma'aunin kewayon na'urar ganowa ta laser pulsed ta amfani da wannan Laser na iya wuce 30km.
| Tsawon tsayi | 1570± 5nm |
| Yawan maimaitawa | 20Hz |
| Laser katako mai watsawa kusurwa (ƙarashin katako) | 0.3-0.6 ruwa |
| Nisa Pulse | 8.5ns |
| Pulse Energy | 80mJ ku |
| Sa'o'in Aiki Na Cigaba | 5 min |
| Nauyi | ≤1.2kg |
| Yanayin Aiki | -40 ℃ ~ 65 ℃ |
| Ajiya Zazzabi | -50 ℃ ~ 65 ℃ |
Baya ga inganta nata fasahar bincike da ci gaban zuba jari, da ƙarfafa gina R&D tawagar da kuma kammala fasahar R&D bidi'a tsarin, Lumispot Tech kuma rayayye hadin gwiwa tare da waje cibiyoyin bincike a masana'antu-jami'a-bincike, kuma ya kafa mai kyau hadin gwiwa dangantaka da. mashahuran masana masana'antu na cikin gida. An ɓullo da ainihin fasaha da mahimman abubuwan haɗin kai, an haɓaka duk mahimman abubuwan da aka ƙera kuma an kera su da kansu, kuma duk na'urori sun kasance cikin gida. Haske mai haske Laser har yanzu yana haɓaka saurin ci gaban fasaha da haɓakawa, kuma zai ci gaba da gabatar da ƙananan farashi da ƙarin amintattun na'urori masu gano lafiyar ido na ɗan adam don gamsar da buƙatun kasuwa.
Lokacin aikawa: Juni-21-2023