4.Labarai

Laser Q-switching da MOPA Laser

A cikin 'yan shekarun nan, aikace-aikace na pulsed fiber Laser a fagen Laser marking ya ci gaba da sauri, daga cikin abin da aikace-aikace a cikin filayen na lantarki 3C kayayyakin, inji, abinci, marufi, da dai sauransu sun kasance sosai m.

A halin yanzu, nau'ikan Laser fiber pulsed da ake amfani da su a cikin alamar Laser akan kasuwa galibi sun haɗa da fasahar Q-switched da fasahar MOPA.MOPA (Master Oscillator Power-Amplifier) ​​Laser yana nufin tsarin Laser wanda a cikinsa ake jefar da oscillator Laser da amplifier.A cikin masana'antu, MOPA Laser yana nufin na musamman kuma mafi "hankali" nanosecond bugun jini fiber Laser hada da wani semiconductor Laser iri tushen kore ta lantarki bugun jini da kuma fiber amplifier.Hankalinsa yana nunawa a cikin fiɗaɗɗen bugun bugun jini yana daidaitawa da kansa (kewayon 2ns-500ns), kuma mitar maimaitawa na iya zama babba kamar megahertz.Tsarin tushen iri na Laser fiber na Q-switched shine shigar da mai sarrafa asarar a cikin ramin fiber oscillator, wanda ke haifar da fitowar bugun bugun nanosecond tare da wani nisa bugun bugun jini ta lokaci-lokaci daidaita asarar gani a cikin rami.

Tsarin ciki na laser

Bambancin tsarin ciki tsakanin MOPA fiber Laser da Q-switched fiber Laser yafi ta'allaka ne a cikin daban-daban tsara hanyoyin da bugun jini iri haske siginar.MOPA fiber Laser pulse iri siginar gani yana haifar da siginar bugun jini mai tuki semiconductor Laser guntu, wato, siginar gani na fitarwa ana daidaita shi ta siginar lantarki mai tuƙi, don haka yana da ƙarfi sosai don ƙirƙirar sigogin bugun jini daban-daban ( faɗin bugun jini, mitar maimaitawa. , bugun bugun jini da kuma iko, da dai sauransu) Sassauci.Siginar gani na bugun jini na Q-switched fiber Laser yana haifar da fitowar haske ta hanyar haɓakawa lokaci-lokaci ko rage asarar gani a cikin rami mai resonant, tare da tsari mai sauƙi da fa'idar farashi.Koyaya, saboda tasirin na'urorin Q-switching, sigogin bugun jini suna da wasu hani.

Fitar da sigogi na gani

MOPA fiber Laser fitarwa bugun jini nisa ne da kansa daidaitacce.Nisa bugun jini na MOPA fiber Laser yana da kowane tunability (kewayon 2ns ~ 500 ns).kunkuntar da bugun bugun jini nisa, da karami da zafi-tasiri yankin, da kuma mafi girma aiki daidaito za a iya samu.Faɗin bugun bugun bugun jini na Laser fiber na Q-switched ba daidaitacce ba ne, kuma faɗin bugun bugun gabaɗaya koyaushe koyaushe ne a takamaiman ƙayyadaddun ƙimar tsakanin 80 ns da 140 ns.MOPA fiber Laser yana da faffadan mitar maimaitawa.Sake-yawan Laser MOPA na iya kaiwa ga babban fitarwa na MHz.Babban mitar maimaituwa yana nufin ingantaccen aiki mai girma, kuma MOPA har yanzu na iya kula da manyan halayen wutar lantarki ƙarƙashin babban yanayin mitar maimaituwa.Laser fiber na Q-switched yana iyakance ta yanayin aiki na maɓallin Q, don haka kewayon mitar fitarwa yana kunkuntar, kuma babban mitar zai iya kaiwa ~ 100 kHz kawai.

Yanayin aikace-aikace

MOPA fiber Laser yana da fadi da kewayon daidaita siga.Saboda haka, ban da rufe aikace-aikacen sarrafawa na Laser nanosecond na al'ada, kuma yana iya amfani da kunkuntar bugun bugun bugun jini na musamman, mitar maimaitawa, da babban iko don cimma wasu takamaiman aikace-aikacen sarrafawa na musamman.kamar:

1.Application na surface tsiri na aluminum oxide takardar

Kayayyakin lantarki na yau suna ƙara yin ƙaranci da haske.Yawancin wayoyin hannu, Allunan, da kwamfutoci suna amfani da bakin ciki da haske aluminum oxide azaman harsashi.Lokacin amfani da Laser Q-switched don alamar matsayi na jagoranci akan farantin aluminum na bakin ciki, yana da sauƙi don haifar da nakasawa na kayan, wanda ya haifar da "ƙugiya mai ma'ana" a baya, kai tsaye yana shafar kyawawan bayyanar.Yin amfani da ƙananan ma'aunin faɗin bugun jini na MOPA Laser na iya sa kayan ba su da sauƙi don lalacewa, kuma shading ya fi laushi da haske.Wannan saboda MOPA Laser yana amfani da ƙaramin siga mai faɗin bugun jini don sanya Laser ya tsaya akan kayan ya fi guntu, kuma yana da isasshen kuzari don cire Layer na anode, don haka don sarrafa cire anode akan saman bakin bakin aluminum oxide. farantin, MOPA Lasers ne mafi zabi.

 

2.Anodized aluminum blackening aikace-aikace

Yin amfani da laser don yin alamar alamar kasuwanci baƙar fata, samfuri, rubutu, da dai sauransu a saman kayan aluminum na anodized, maimakon fasahar inkjet na al'ada da siliki na al'ada, an yi amfani da shi sosai a kan harsashi na kayan dijital na lantarki.

Saboda MOPA pulsed fiber Laser yana da faffadan bugun bugun bugun jini da kewayon daidaita mitar maimaituwa, yin amfani da kunkuntar bugun bugun bugun jini da manyan sigogin mitar na iya alama saman kayan tare da tasirin baƙar fata.Haɗuwa daban-daban na sigogi kuma na iya yin alama daban-daban matakan launin toka.tasiri.

Sabili da haka, yana da ƙarin zaɓi don aiwatar da tasirin baƙar fata daban-daban da ji na hannu, kuma shine tushen hasken da aka fi so don blackening anodized aluminum akan kasuwa.Ana yin alama ta hanyoyi biyu: Yanayin digo da daidaitawar ɗigo.Ta hanyar daidaita yawan dige-dige, ana iya daidaita tasirin launin toka daban-daban, kuma ana iya yiwa hotuna da aka keɓance da na keɓaɓɓen alama akan saman kayan alumini na anodized.

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3.Layin Laser alama

A cikin aikace-aikacen launi na bakin karfe, ana buƙatar Laser don yin aiki tare da ƙananan ƙananan bugun jini da matsakaici da ƙananan ƙananan.Canjin launi ya fi shafar mita da ƙarfi.Bambanci a cikin waɗannan launuka ya fi shafa ta hanyar makamashin bugun jini guda ɗaya na Laser kanta da madaidaicin adadin tabonsa akan kayan.Domin bugun bugun jini da nisa da mita na MOPA Laser ne da kansa daidaitacce, daidaita daya daga cikinsu ba zai shafi sauran sigogi.Suna haɗin kai da juna don cimma dama iri-iri, waɗanda ba za a iya samu ta hanyar laser Q-switched ba.A cikin aikace-aikacen aikace-aikacen, ta hanyar daidaita girman bugun jini, mita, ƙarfi, saurin gudu, hanyar cikawa, tazara da sauran sigogi, daidaitawa da haɗa sigogi daban-daban, zaku iya yin alama fiye da tasirin launin sa, launuka masu kyau da laushi.A kan kayan tebur na bakin karfe, kayan aikin likita da kayan aikin hannu, kyawawan tambura ko alamu ana iya yin alama don yin kyakkyawan sakamako na ado.

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Gabaɗaya, bugun bugun jini nisa da mita na Laser fiber MOPA ana iya daidaita shi da kansa, kuma kewayon daidaitawa yana da girma, don haka sarrafa yana da kyau, tasirin thermal yana da ƙasa, kuma yana da fa'idodi masu kyau a cikin alamar aluminum oxide, aluminum anodized. blackening, da bakin karfe canza launi.Gane sakamakon cewa Q-switched fiber Laser ba zai iya cimma The Q-switched fiber Laser halin da karfi alama ikon, wanda yana da wasu abũbuwan amfãni a zurfin engraving aiki na karafa, amma alama sakamako ne in mun gwada da m.A cikin aikace-aikacen alama na gama gari, ana kwatanta MOPA pulsed fiber lasers da Q-switched fiber lasers, kuma ana nuna manyan abubuwan su a cikin tebur mai zuwa.Masu amfani za su iya zaɓar madaidaicin laser bisa ga ainihin buƙatun kayan alama da tasiri.

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MOPA fiber Laser bugun jini nisa da mita ne da kansa daidaitacce, da kuma daidaita siga kewayon ne manyan, don haka da aiki ne lafiya, da thermal sakamako ne low, kuma yana da fice abũbuwan amfãni a aluminum oxide takardar alama, anodized aluminum blackening, bakin karfe canza launi, da takardar walda.Tasirin da Q-switched fiber Laser ba zai iya cimma ba.Laser fiber na Q-switched yana da ikon yin alama mai ƙarfi, wanda ke da wasu fa'idodi a cikin aikin zane mai zurfi na ƙarfe, amma tasirin alamar yana da ɗan ƙanƙara.

Gaba ɗaya, MOPA fiber Laser na iya kusan maye gurbin Q-switched fiber Laser a Laser high-karshen alama da waldi aikace-aikace.A nan gaba, ci gaban MOPA fiber Laser zai dauki narrower bugun jini widths da kuma mafi girma mitoci a matsayin shugabanci, kuma a lokaci guda tafiya zuwa mafi girma iko da mafi girma makamashi, ci gaba da saduwa da sabon bukatun na Laser abu lafiya aiki, da kuma ci gaba da inganta kamar Laser derusting da lidar.Da sauran sabbin wuraren aikace-aikace.


Lokacin aikawa: Yuli-18-2021