Nd: YVO4 Lu'ulu'u


  • Atomic Yawa: 1.26x1020 atoms / cm3 (Nd1.0%)
  • Tsarin Tsarin Tsarin Tsarin Crystal: Zircon Tetragonal, rukunin sarari D4h-I4 / amd a = b = 7.1193Å, c = 6.2892Å
  • Yawa: 4.22g / cm3
  • Mohs Hardness: 4-5 (Gilashi mai kama da)
  • Exparawar raramar (300K): =a = 4.43x10-6 / K αc = 11.37x10-6 / K
  • Conarfin Gudanarwar Yanayin r 300K): ∥C : 0.0523W / cm / K
    C : 0.0510W / cm / K
  • Hawan zango: 1064nm , 1342nm
  • Earamar zafin kwalliya (300K): dno / dT = 8.5 × 10-6 / K
    dne / dT = 2.9 × 10-6 / K
  • Arfafa haɓakar giciye: 25 × 10-19cm2 @ 1064nm
  • Bayanin Samfura

    Kayan gida na asali

    Nd: YVO4 shine mafi kyawun gidan karɓa mai karɓa don diode yin famfo a tsakanin lu'ulu'un kasuwancin laser na yanzu, musamman, don ƙarancin ƙarfi zuwa tsakiyar ƙarfin. Wannan galibi ga abubuwan sha ne da fasalin fitarwa wanda ya zarce Nd: YAG. Pumped by laser diodes, Nd: YVO4 lu'ulu'u an haɗa shi da manyan lu'ulu'u masu ƙarfi na NLO (LBO, BBO, ko KTP) don sauya-saurin fitarwa daga kusa infrared zuwa kore, shuɗi, ko ma UV. Wannan haɗaɗɗun don ƙirƙirar dukkanin lasers na ƙasa ingantaccen kayan aikin laser ne wanda zai iya ɗaukar aikace-aikacen da ya fi yawa a cikin lasers, gami da ƙera kayan masarufi, sarrafa kayan aiki, kyan gani, dubawa, nuna haske, binciken likitanci, bugawar laser, da adana bayanai, da sauransu. an nuna cewa Nd: YVO4 tushen diode wanda aka fitar da lasers na jihar masu ƙarfi suna mamaye kasuwannin gargajiyar bisa al'ada ta masu sanyaya ion lasar ruwa da lasers na fitila, musamman lokacin da ake buƙatar ƙirar ƙira da kuma yanayin-hanya mai tsayi guda ɗaya.
    Nd: Abubuwan fa'idodin YVO4 akan Nd: YAG:
    • Kamar yadda yakai kusan sau biyar mafi girma shan ingantaccen akan fadin bandwidth mai fadi a kusa da 808 nm (sabili da haka, dogaro da tsayin famfo yana da ƙasa sosai kuma yana da ƙarfi ga yanayin fitowar yanayin sau ɗaya);
    • Kamar yadda ya ninka sau uku ya fi girma motsa motsawar motsi a zangon ƙarfin lasar 1064nm;
    • lasananan ƙofar lasing da haɓaka mafi girma;
    • A matsayin kristal mai hade da uniaxial tare da babban birefringence, watsi kawai gurbataccen layi ne. 
    Kayan Laser na Nd: YVO4:
    • ayan kyawawan ɗabi'u na Nd: YVO4 shine, idan aka kwatanta da Nd: YAG, sau 5 da ya fi ƙarfin haɗakarwa a cikin madaidaiciyar haɓakar ɗaukar hoto a kusa da zanen famfo na 808nm, wanda ya dace da daidaiton diodes mai ƙarfi mai ƙarfi a halin yanzu. Wannan yana nufin ƙaramin lu'ulu'u wanda za'a iya amfani dashi don laser, wanda zai haifar da ƙaramin tsarin laser. Ga ƙarfin fitarwa da aka bayar, wannan kuma yana nufin matakin ƙananan wuta wanda laser diode yake aiki, don haka yana ƙara rayuwar diode laser mai tsada. Hanyoyin watsa shirye-shirye mafi girma na Nd: YVO4 wanda na iya kaiwa sau 2.4 zuwa 6.3 na na Nd: YAG. Bayan yin famfo mafi inganci, hakan kuma yana nufin mafi kewayon zaɓi na ƙayyadaddun diode. Wannan zai taimaka wa masu yin tsarin laser don ƙarin haƙuri don zaɓin farashi mai sauƙi.
    • Nd: YVO4 lu'ulu'u yana da girma kara kuzarin giciye, duka a 1064nm da 1342nm. Lokacin da wani axis ya yanke Nd: YVO4 mai tsananin haske a 1064m, yakai sau 4 sama da na Nd: YAG, yayin da a 1340nm maɓallin gicciye ya ninka sau 18, wanda ke haifar da aikin CW kwata-kwata ya wuce Nd: YAG a 1320nm. Waɗannan suna sanya Nd: YVO4 laser zama mai sauƙi don kiyaye fitarwa mai ƙarfi ta layi ɗaya a tsayin igiyoyin biyu.
    • Wani mahimmin hali na las: Nd: YVO4 lasers shine, saboda yana da uniaxial maimakon babban fasali na mai siffar sukari kamar Nd: YAG, kawai yana fitar da laser mai rarrabu ne, don haka guje wa tasirin birefringent mara tasiri akan sauyawar mitar. Kodayake rayuwar Nd: YVO4 kusan sau 2.7 ya fi na Nd: YAG raguwa, ingancin gangarensa na iya zama har yanzu yana da tsayi sosai don ƙirar ƙyallen laser, saboda yawan ingancin jimlarsa.

    Yawaitar Atomic 1.26 × 1020 atoms / cm3 (Nd1.0%)
    Tsarin Tsarin Crystal siga Zircon Tetragonal, rukunin sarari D4h-I4 / amd
    a = b = 7.1193Å, c = 6.2892Å
    Yawa 4.22g / cm3
    Mohs Taurin kai 4-5 (Gilashi mai kama da)
    Exparfafa Thearamar Mahimmanci300K =a = 4.43 × 10-6 / K
    c = 11.37 × 10-6 / K
    Conarfin Gudanar da Yanayin rarfin zafi300K ∥C0.0523W / cm / K
    ⊥C0.0510W / cm / K
    Asingarancin zango mai sauƙi 1064nm1342nm
    Thearamar zafin kwalliya300K dno / dT = 8.5 × 10-6 / K
    dne / dT = 2.9 × 10-6 / K
    Imarfafa giciye-sashe 25 × 10-19cm2 @ 1064nm
    Fluorescent rayuwa 90s (1%)
    Orarancin tsotsa 31.4cm-1 @ 810nm
    Asarar asali 0.02cm-1 @ 1064nm
    Sami bandwidth 0.96nm@1064nm
    Bayyanar laser gurɓatacce rarrabuwa; layi daya zuwa axis na gani (c-axis)
    Diode yayi famfo na gani zuwa ingancin gani > 60%

    Sigogi na fasaha:

    Chamfer <λ/4 @ 633nm
    <λ @ 633nm <> Tsarin haƙuriL(W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2 / -0.1mm)2.5mmL(W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2 / -0.1mm)
    (W ± 0.1mm) x (H ± 0.1mm) x (L + 0.5 / -0.1mm) Bayyana budewa
    Tsakiyar 95% Flatnessλ / 8 @ 633 nm, λ / 4 @ 633nm
    Tickness kasa da 2mm Ingancin wuri
    10/5 Karce / Tona ta MIL-O-1380A Daidaici
    mafi kyau fiye da dakika 20 mafi kyau fiye da dakika 20
    Chamfer Pendarin daidaito
    0.15x45deg 1064nmRShafi0.2%1064nmRHR Shafi99.8%T808nm