N'ime afọ ndị na-adịbeghị anya, ngwa nke pulsed fiber lasers n'ọhịa nke akara laser etolitela ngwa ngwa, n'etiti ngwa ndị dị na ngwaahịa 3C electronic, igwe, nri, nkwakọ ngwaahịa, wdg bụ nke ukwuu.
Ugbu a, ụdị nke pulsed fiber lasers eji na laser marking na ahịa tumadi gụnyere Q-switched technology na MOPA technology.MOPA (Master Oscillator Power-Amplifier) laser na-ezo aka n'ụdị laser nke ejiri oscillator laser na amplifier na-atụgharị.Na ụlọ ọrụ, MOPA laser na-ezo aka a pụrụ iche na ndị ọzọ “nwere ọgụgụ isi” nanosecond pulse fiber laser mejupụtara nke a semiconductor laser mkpụrụ isi chụpụrụ site electric pulses na eriri ampilifaya.A na-egosipụtakarị "ọgụgụ isi" ya na obosara mmepụta ihe bụ nke a na-agbanwe agbanwe (oke 2ns-500ns), na ugboro ugboro ugboro nwere ike ịdị elu dị ka megahertz.Ọdịdị mkpụrụ nke eriri laser Q-switched bụ ịtinye modulator ọnwụ n'ime oghere oscillator fiber, nke na-ewepụta ọkụ ọkụ nanosecond nke nwere ụfọdụ obosara usu site n'ịgbanwe oge nhụsianya anya n'ime oghere.
Ọdịdị dị n'ime nke laser
Ọdịiche dị n'ime ihe owuwu dị n'etiti MOPA fiber laser na Q-switched fiber laser tumadi dabere na usoro ọgbọ dị iche iche nke mgbama mkpụrụ mkpụrụ.MOPA fiber laser pulse see seed mgbaama mgbama bụ nke eletriki pulse na-akwọ ụgbọala semiconductor laser mgbawa, ya bụ, mmepụta ngwa anya mgbaàmà na-modulated site na-akwọ ụgbọala mgbaàmà, n'ihi ya, ọ dị ike nke ukwuu n'ịwa dị iche iche pulse parameters (ụkpụrụ obosara, ugboro ugboro ugboro ugboro). , pulse waveform na ike, wdg) Mgbanwe.Ihe nrịbama ngwa anya mkpụrụ akụ nke Q-switched fiber laser na-emepụta mmepụta ọkụ pulsed site n'ịbawanye ma ọ bụ belata mfu ngwa anya na oghere resonant, yana usoro dị mfe na uru ọnụahịa.Otú ọ dị, n'ihi mmetụta nke Q-switching ngwaọrụ, pulse parameters nwere ụfọdụ mgbochi.
Mepụta paramita ngwa anya
MOPA eriri laser mmepụta usu obosara bụ onwe kemeghi.obosara usu nke MOPA fiber laser nwere ihe ọ bụla tunability (nso 2ns ~ 500 ns).Ka obosara nke usu dị warara, obere mpaghara okpomọkụ na-emetụta, na nhazi nhazi dị elu nwere ike nweta.A naghị emegharị obosara pulse nke Q-switched fiber laser, na obosara usu na-adịkarị mgbe niile na ụfọdụ uru dị n'etiti 80 ns na 140 ns.MOPA fiber laser nwere oke ugboro ugboro ugboro ugboro.Ugboro ugboro nke laser MOPA nwere ike iru nrụpụta ugboro ugboro nke MHz.Ugboro ugboro ugboro ugboro pụtara ịrụ ọrụ nhazi dị elu, MOPA ka nwere ike idowe njirimara ike kacha elu n'okpuru ọnọdụ ugboro ugboro dị elu.Igwe laser Q-switched fiber na-ejedebe site na ọnọdụ ọrụ nke mgba ọkụ Q, ya mere ọnụọgụ nke mmepụta dị warara, na ugboro ugboro nwere ike iru ~ 100 kHz.
Ngwa ndapụta
MOPA fiber laser nwere oke ngbanwe oke.Ya mere, na mgbakwunye na ikpuchi ngwa nhazi nke laser nanosecond nkịtị, ọ nwekwara ike iji obosara ya dị warara dịpụrụ adịpụ, ugboro ugboro ugboro ugboro, na ike elu dị elu iji nweta ụfọdụ ngwa nhazi nhazi pụrụ iche.dị ka:
1.Ngwa nke ikpochapu elu nke aluminum oxide mpempe akwụkwọ
Ngwaahịa eletrọnịkị taa na-adịwanye njọ ma na-adịkwa ọkụ.Ọtụtụ ekwentị mkpanaaka, mbadamba, na kọmputa na-eji aluminom oxide dị gịrịgịrị ma dị ọkụ dị ka shea ngwaahịa.Mgbe ị na-eji laser Q-switched akara akara ọnọdụ ndị na-eduzi na efere aluminom dị mkpa, ọ dị mfe ime ka nrụrụ nke ihe ahụ pụta, na-ebute "convex hulls" na azụ, na-emetụta kpọmkwem ihe ịchọ mma nke ọdịdị ahụ.Ojiji nke MOPA laser dị nta nke obosara obosara nwere ike ime ka ihe ahụ ghara ịdị mfe nrụrụ, na shading na-esiwanye ike ma na-egbuke egbuke.Nke a bụ n'ihi na MOPA laser na-eji obere obosara obosara nke pulse na-eme ka laser nọrọ na ihe dị mkpụmkpụ, ma nwee ike zuru oke iji wepụ oyi akwa anode, ya mere maka nhazi nke iwepụ anode n'elu nke aluminom oxide dị mkpa. efere, MOPA Lasers bụ nhọrọ ka mma.
2.Anodized aluminum blackening ngwa
Iji lasers akara ụghalaahịa ojii, ụdị, ederede, wdg n'elu ihe aluminom anodized, kama inkjet ọdịnala na teknụzụ ihuenyo silk, ejirila ya na shells nke ngwaahịa dijitalụ elektrọn.
N'ihi na MOPA pulsed fiber laser nwere obosara usu obosara na ugboro ugboro mgbanwe nso, ojiji nke warara usu obosara na elu ugboro kwa nwere ike akara n'elu ihe na a ojii mmetụta.Ngwakọta dị iche iche nke paramita nwekwara ike akara ọkwa isi awọ dị iche iche.mmetụta.
Ya mere, ọ nwere ihe selectivity maka usoro mmetụta nke dị iche iche blackness na aka mmetụta, na ọ bụ mmasị ìhè isi iyi maka blackening anodized aluminum na ahịa.A na-eme akara n'ụdị abụọ: ntụpọ ntụpọ na ike ntụpọ edoziri.Site n'ịgbanwe njupụta nke ntụpọ, enwere ike ịmegharị mmetụta grayscale dị iche iche, yana foto ahaziri iche na nka ahaziri iche nwere ike kaa akara n'elu ihe aluminom anodized.
3.Color laser marking
N'ime ngwa agba agba igwe anaghị agba nchara, achọrọ laser ka ọ rụọ ọrụ na obere obosara usu na ọkara na nnukwu ugboro.Mgbanwe agba na-emetụta ugboro ugboro na ike.Ọdịiche dị na agba ndị a na-emetụta nke ọma site na otu usu ume nke laser n'onwe ya na ngbanwe nke ntụpọ ya na ihe.N'ihi na obosara pulse na ugboro nke laser MOPA na-edozi onwe ya, imezi otu n'ime ha agaghị emetụta akụkụ ndị ọzọ.Ha na-arụkọ ọrụ ọnụ iji nweta ohere dị iche iche, nke na-enweghị ike nweta laser Q-switched.N'ime ngwa bara uru, site n'ịgbanwe obosara usu, ugboro, ike, ọsọ, usoro ndochi, ndochi oghere na paramita ndị ọzọ, permuting na ijikọta paramita dị iche iche, ị nwere ike akara karịa mmetụta agba ya, agba mara mma na nke siri ike.N'elu tebụl igwe anaghị agba nchara, ngwa ahụike na ihe aka aka, ọmarịcha logos ma ọ bụ ụkpụrụ nwere ike ịde akara iji mee ihe ịchọ mma mara mma.
N'ozuzu, pulse obosara na ugboro nke MOPA fiber laser na-onwe ya mgbanwe, na ukpụhọde paramita nso bụ nnukwu, ya mere nhazi dị mma, thermal mmetụta dị ala, na ọ nwere pụtara ìhè uru na aluminum oxide mpempe akwụkwọ marking, anodized aluminum. blackening, na igwe anaghị agba nchara.Chọpụta mmetụta na Q-switched fiber laser enweghị ike nweta The Q-switched fiber laser ji ike akara ike, nke nwere ụfọdụ uru na omimi osise nhazi nke ọla, ma akara mmetụta bụ dịtụ siri ike.Na ngwa akara akara, MOPA pulsed fiber lasers na-atụnyere Q-switched fiber lasers, na isi ihe ha na-egosi na tebụl na-esonụ.Ndị ọrụ nwere ike ịhọrọ laser ziri ezi dịka ezigbo mkpa nke ihe akara na mmetụta.
MOPA fiber laser pulse obosara na ugboro ole a na-edozi onwe ya, yana oke ngbanwe nhazi ahụ buru ibu, yabụ nhazi ahụ dị mma, mmetụta thermal dị ala, ọ nwekwara uru pụtara ìhè na akara mpempe akwụkwọ oxide, anodized aluminum blackening, igwe anaghị agba nchara, na mpempe akwụkwọ ịgbado ọkụ.Mmetụta nke Q-switched fiber laser enweghị ike imezu.A na-eji laser Q-switched fiber laser ji ike akara siri ike, nke nwere uru ụfọdụ na nhazi ihe osise dị omimi nke ọla, mana nsonaazụ akara ahụ siri ike.
N'ozuzu, MOPA eriri lasers nwere ike fọrọ nke nta dochie Q-switched eriri lasers na laser elu-ọgwụgwụ marking na ịgbado ọkụ ngwa.N'ọdịnihu, mmepe nke MOPA eriri lasers ga-narrower usu widths na elu frequencies dị ka ntụziaka, na n'otu oge ahụ March kwupụta elu ike na elu ume, na-aga n'ihu izute ọhụrụ chọrọ nke laser ihe ezi nhazi, na-aga n'ihu. ịzụlite dị ka laser derusting na lidar.Na mpaghara ngwa ọhụrụ ndị ọzọ.
Oge nzipu: Jul-18-2021
