Tsarin tsarin fiber laser mai ƙarfi

Tsarin tsarin fiber laser mai ƙarfi
1, Tsarin tsarin
Babban laser ɗin fiber ɗin ya ƙunshi sassa huɗu: tushen famfo, mai haɗa famfo, fiber mai gain, da kuma kan fitarwa na laser
1.1 Tushen famfo: Ƙarfin fitarwa na injin laser guda ɗaya shine 10W ~ 50W kawai, kuma za a haɗa injinan 6 ~ 50 kuma a naɗe su gwargwadon buƙata; Idan akwai adadi mai yawa na guntu, za a haɗa haɗin katako na sarari da haɗin katako na polarization don ƙara ƙarfi. Ƙarfin tushen famfo ɗaya yana tsakanin goma zuwa ɗaruruwan watts, kuma don cimma matakin kilowatt, ana buƙatar haɗa tushen famfo sama da 10 a jere (kamar laser Ruike ta amfani da haɗin tushen famfo 11).
1.2 Mai haɗa famfo: An samar da shi ta hanyar fasahar haɗa fiber fusion, ana haɗa nau'ikan famfo da yawa ta hanyar gani zuwa zare ɗaya.
1.3 Gain zare: tare da tsawon da ya wuce mita 30, za a naɗe shi a kuma gyara shi a kan farantin watsa zafi, sau da yawa yana amfani da tsarin rufewa mai ytterbium mai doped: diamita na tsakiya na 10-20 μ m, yanayin guda ɗaya/ɗan jagorar yanayin wave, an yi masa ado da ions na ytterbium; Diamita na rufin ciki ya kai 400 μ m kuma ana amfani da shi don watsa hasken famfo mai yawa.
1.4 Shugaban Fitar da Laser: Yana da alhakin fitar da laser na ƙarshe kuma ana iya haɗa shi da kayan aiki ta hanyar daidaitaccen tsari.
2, Ka'idar aiki ta asali
2.1 Resonator don ƙara girman gani: wanda ya ƙunshi nau'i biyu na zare Bragg gratings (FBGs): babban grating mai nuna haske (nuna haske>99%) yana nuna hasken tsawon zangon da aka yi niyya (kamar 1080nm) zuwa ga zaren gain; Grating mai haɗawa da fitarwa (nuna haske 10% ~ 50%) yana nuna wani ɓangare don kiyaye juyawa, kuma yana watsa wani ɓangare don samar da fitarwa. Hasken famfo yana motsa ions na ytterbium don samar da fitar da iska kwatsam, kuma ana maimaita ƙara yawan photons waɗanda suka cika buƙatun tsawon tsayi tsakanin gratings, wanda a ƙarshe ke samar da fitowar laser mai karko.
2.2 Zaɓin Yanayi yana tabbatar da ingancin hasken haske: A gefe guda, dangane da iyakancewar jagorar raƙuman ruwa na ƙaramin babban layin diamita, ƙarancin asarar yanayin asali kawai ake yarda da shi; A gefe guda kuma, ta hanyar amfani da babban haɗuwa tsakanin yanayin asali da matsakaicin riba (ions ytterbium), da kuma halayen asara mai yawa na yanayin girma, tare da ƙirar lanƙwasa zare don ƙara tace yanayin girma, fitowar yanayin asali mai inganci tare da M² yana kusantowa 1 a ƙarshe an cimma shi.