Ịgbado ọkụ bụ usoro ijikọta ọla abụọ ma ọ bụ karịa ọnụ site na itinye ọkụ. Ịgbado ọkụ na-agụnye ikpo ọkụ ihe na-agbaze n'ebe ọ na-agbaze nke mere na isi metal gbazee iji mejupụta oghere dị n'etiti nkwonkwo, na-eme njikọ siri ike. Ịgbado ọkụ laser bụ usoro njikọ nke na-eji laser dị ka isi iyi ọkụ.
Were batrị ike ahụ square dị ka ọmụmaatụ: ejikọrọ isi batrị site na laser site na ọtụtụ akụkụ. N'oge dum laser ịgbado ọkụ usoro, ihe njikọ ike, mmepụta arụmọrụ, na ntụpọ ọnụego bụ atọ okwu na ụlọ ọrụ na-enwe nchegbu banyere. Enwere ike igosipụta ike njikọ ihe site na omimi ntinye nke metallographic na obosara (nke metụtara isi iyi ọkụ laser); mmepụta arụmọrụ na-emetụta ya na ikike nhazi nke isi iyi ọkụ laser; ntụpọ ntụpọ na-emetụtakarị na nhọrọ nke isi iyi ọkụ laser; ya mere, isiokwu a na-atụle ndị nkịtị na ahịa. A na-eduzi ntụnyere dị mfe nke ọtụtụ isi iyi ọkụ laser, na-atụ anya inyere ndị mmepe ibe ha aka.
N'ihi naịgbado ọkụ laserbụ n'ezie usoro ntụgharị ọkụ na-ekpo ọkụ, ọtụtụ ihe isi ihe metụtara bụ ndị a: àgwà beam (BBP, M2, divergence angle), ike njupụta, isi dayameta, ụdị nkesa ike, isi ịgbado ọkụ na-agbanwe agbanwe, nhazi windo na ihe ndị nwere ike ịhazi. A na-ejikarị nyocha na atụnyere isi iyi ọkụ laser site na ntụziaka ndị a.
Otu ụdị-Multimode Laser ntụnyere
Nkọwapụta ụdịdị otu otu:
Single mode na-ezo aka otu nkesa ụkpụrụ nke laser ike na a abụọ akụkụ ụgbọ elu, mgbe multi-mode na-ezo aka gbasara ohere ike nkesa ụkpụrụ kpụrụ site superposition nke otutu nkesa ụkpụrụ. N'ozuzu, enwere ike iji nha nke ịdị mma M2 mee ihe iji kpee ikpe ma mmepụta laser fiber bụ otu ụdị ma ọ bụ ọtụtụ ọnọdụ: M2 na-erughị 1.3 bụ laser dị ọcha nke otu ụdị, M2 n'etiti 1.3 na 2.0 bụ ihe dị iche iche. otu ụdị laser (obere-mode), na M2 karịrị 2.0. Maka multimode lasers.
N'ihi naịgbado ọkụ laserbụ n'ezie usoro ntụgharị ọkụ na-ekpo ọkụ, ọtụtụ ihe isi ihe metụtara bụ ndị a: àgwà beam (BBP, M2, divergence angle), ike njupụta, isi dayameta, ụdị nkesa ike, isi ịgbado ọkụ na-agbanwe agbanwe, nhazi windo na ihe ndị nwere ike ịhazi. A na-ejikarị nyocha na atụnyere isi iyi ọkụ laser site na ntụziaka ndị a.
Otu ụdị-Multimode Laser ntụnyere
Nkọwapụta ụdịdị otu otu:
Single mode na-ezo aka otu nkesa ụkpụrụ nke laser ike na a abụọ akụkụ ụgbọ elu, mgbe multi-mode na-ezo aka gbasara ohere ike nkesa ụkpụrụ kpụrụ site superposition nke otutu nkesa ụkpụrụ. N'ozuzu, enwere ike iji nha nke ịdị mma M2 mee ihe iji kpee ikpe ma mmepụta laser fiber bụ otu ụdị ma ọ bụ ọtụtụ ọnọdụ: M2 na-erughị 1.3 bụ laser dị ọcha nke otu ụdị, M2 n'etiti 1.3 na 2.0 bụ ihe dị iche iche. otu ụdị laser (obere-mode), na M2 karịrị 2.0. Maka multimode lasers.
Dị ka e gosiri na ọnụ ọgụgụ: Ọnụ ọgụgụ b na-egosi ikesa ike nke otu isi ọnọdụ, na ike nkesa na ntụziaka ọ bụla na-agafe n'etiti gburugburu bụ n'ụdị a Gaussian curve. Foto a na-egosi nkesa ike multi-mode, nke bụ nkesa ike gbasara ohere kpụrụ site na superposition nke otutu otu ụdị laser. Nsonaazụ nke superposition multi mode bụ akụkụ dị larịị.
Laser otu ụdị nkịtị: IPG YLR-2000-SM, SM bụ mbiri nke Single Mode. Ngụkọta a na-eji 150-250 elekwasị anya na-agbakọta iji gbakọọ nha ntụpọ elekwasị anya, njupụta ike bụ 2000W, a na-eji njupụta ike elekwasị anya maka ntụnyere.
Ntụle nke otu-mode na multi-modeịgbado ọkụ lasermmetụta
Otu ụdị laser: obere dayameta isi, njupụta ike dị elu, ikike ntinye siri ike, obere mpaghara okpomọkụ emetụtara, dị ka mma dị nkọ, nke dabara adaba maka ịgbado efere dị mkpa na ịgbado ọkụ dị elu, enwere ike iji galvanometer mee obere ihe. akụkụ na akụkụ na-egosipụta nke ukwuu (akụkụ na-egbuke egbuke) ntị, njikọ njikọ, wdg), dị ka e gosiri na ọnụ ọgụgụ dị n'elu, otu-mode nwere obere keyhole na oke olu nke esịtidem elu-nrụgide metal vapor, ya mere ọ n'ozuzu adịghị. nwere ntụpọ dị ka pores nke ime. Na obere ọsọ ọsọ, ọdịdị ahụ siri ike na-enweghị ịfụ ikuku nchebe. Na nnukwu ọsọ ọsọ, a na-agbakwunye nchebe. Ogo nhazi gas dị mma, arụmọrụ dị elu, welds na-adị mma ma dị larịị, na ọnụ ọgụgụ mkpụrụ dị elu. Ọ dabara maka ịgbado ọkụ tojupụtara na ịgbado ọkụ penetration.
Multi-mode Laser: Nnukwu dayameta isi, njupụta ume dị ntakịrị karịa laser otu ụdị, mma na-adịghị mma, nnukwu igodo, usoro igwe siri ike, nha dị omimi ruo n'obosara, yana n'otu ike ahụ, omimi ntinye bụ 30% ala. karịa nke laser otu-mode, ya mere ọ dị mma maka ojiji Kwesịrị ekwesị maka nhazi weld butt na nnukwu efere efere nwere nnukwu oghere mgbakọ.
Ihe mgbagwoju anya-mgbanaka laser
Ngwakọ ịgbado ọkụ: The semiconductor laser doo na a wavelength nke 915nm na eriri laser doo na a wavelength nke 1070nm na-ejikọta na otu ịgbado ọkụ isi. A na-ekesa eriri abụọ nke laser coaxial na ọdụ ụgbọ elu nke oghere laser abụọ ahụ nwere ike gbanwee nke ọma, nke mere na ngwaahịa ahụ nwere ma semiconductor.ịgbado ọkụ laserike mgbe ịgbado ọkụ. Mmetụta na-egbuke egbuke ma nwee omimi nke eririịgbado ọkụ laser.
Semiconductors na-ejikarị nnukwu ntụpọ ọkụ nke ihe karịrị 400um, bụ nke na-ahụ maka ikpo ọkụ ihe, na-agbaze n'elu ihe ahụ, na ịbawanye ọnụego nnabata nke eriri laser (ọnụego ntinye nke laser na-abawanye ka okpomọkụ na-abawanye).
Laser mgbanaka: Modul laser fiber abụọ na-ebunye ọkụ laser, nke a na-ebunye n'elu ihe site na eriri ngwa anya mejupụtara (fiber optical fiber n'ime fiber optic cylindrical).
Igwe ọkụ laser abụọ nwere ntụpọ afọ: mgbanaka dị n'èzí bụ maka ịgbasa oghere igodo na ịgbaze ihe, yana laser mgbanaka dị n'ime na-ahụ maka omimi ntinye, na-eme ka ịgbado ọkụ dị ala dị ala. N'ime na mpụta mgbanaka laser ike isi dayameta nwere ike dakọtara kpamkpam, yana dayameta isi nwere ike dakọtara kpamkpam. Window usoro ahụ na-agbanwe karịa nke otu eriri laser.
Ntụnyere mmetụta ịgbado ọkụ mejupụtara- okirikiri
Ebe ọ bụ na ngwakọ ịgbado ọkụ bụ a Nchikota nke semiconductor thermal conductivity ịgbado ọkụ na eriri optic miri penetration ịgbado ọkụ, mpụta mgbanaka penetration bụ shallower, metallographic Ọdịdị bụ nkọ na dị gịrịgịrị; n'otu oge ahụ, ọdịdị ahụ bụ conductivity thermal, ọdọ mmiri a wụrụ awụ nwere obere mgbanwe, nnukwu oke, na ọdọ mmiri a wụrụ awụ na-esikwu ike, na-egosipụta ọdịdị dị nro.
Ebe ọ bụ na laser mgbanaka bụ ngwakọta nke ịgbado ọkụ miri emi na ntinye miri emi, mgbanaka dị n'èzí nwekwara ike imepụta omimi ntinye, nke nwere ike ịgbasa oghere igodo nke ọma. Otu ike nwere ukwuu penetration omimi na thicker metallography, ma n'otu oge ahụ, nkwụsi ike nke ọdọ mmiri a wụrụ awụ bụ ubé obere karịa The fluctuation nke ngwa anya fiber semiconductor bụ ubé ibu karịa nke mejupụtara ịgbado ọkụ, na roughness bụ dịtụ nnukwu.
Oge nzipu: Ọkt-20-2023
