Nd: YVO4 Crystals


  • Yawan Atom:1.26x1020 atom/cm3 (Nd1.0%)
  • Sigar Halin Halitta Crystal:Zircon Tetragonal, rukunin sarari D4h-I4/amd a=b=7.1193Å,c=6.2892Å
  • Yawan yawa:4.22g/cm 3
  • Mohs Hardness:4-5 (Kamar Gilashi)
  • Ƙididdigar Ƙarfafa Ƙwararru (300K):α=4.43x10-6/K αc=11.37x10-6/K
  • Ƙarfin Ƙarfafa Ƙarfafawa (300K):∥C: 0.0523W/cm/K
    Matsakaicin girman C: 0.0510W/cm/K
  • Tsawon igiyar ruwa:1064nm, 1342nm
  • Thermal Optical Coefficient (300K):dno/dT=8.5×10-6/K
    dne/dT=2.9×10-6/K
  • Sashin giciye mai kuzari:25×10-19cm2 @ 1064nm
  • Cikakken Bayani

    Abubuwan asali

    Nd:YVO4 shine mafi kyawun laser mai watsa shiri crystal don yin famfo diode tsakanin lu'ulu'u na Laser na kasuwanci na yanzu, musamman, don ƙarancin ƙarfi zuwa matsakaicin ƙarfi.Wannan ya fi dacewa don ɗaukarsa da fasalin fitar da shi wanda ya wuce Nd: YAG.Pumped by Laser diodes, Nd:YVO4 crystal an haɗa shi tare da manyan lu'ulu'u masu inganci na NLO (LBO, BBO, ko KTP) don mitar-canza fitarwa daga infrared na kusa zuwa kore, shuɗi, ko ma UV.Wannan hadawa don gina duk m jihar Laser ne manufa Laser kayan aiki da za su iya rufe mafi tartsatsi aikace-aikace na Laser, ciki har da machining, kayan aiki, spectroscopy, wafer dubawa, haske nuni, likita bincike, Laser bugu, da kuma bayanai ajiya, da dai sauransu It. An nuna cewa Nd: YVO4 tushen diode famfo m jihar Laser suna hanzari shagaltar da kasuwanni bisa ga al'ada mamaye ruwa sanyaya ion Laser da fitila-pumped Laser, musamman a lokacin da m zane da kuma guda-tsayi-mode fitarwa ake bukata.
    Nd:Fa'idodin YVO4 akan Nd:YAG:
    • Kamar yadda ya kai kusan sau biyar mafi girma sha mai inganci a kan fa'ida mai fa'ida mai fa'ida a kusa da 808 nm (saboda haka, dogara ga tsawon tsayin famfo yana da ƙasa sosai kuma yana da ƙarfi ga fitowar yanayin guda ɗaya);
    • Girma mai girma kamar sau uku mafi girma tsokar hayaki giciye a lasing wavelength na 1064nm;
    • Ƙarƙashin lasing ƙofa da ingantaccen gangara;
    • A matsayin kristal uniaxial tare da babban birefringence, watsin shine kawai polarized layi.
    Abubuwan Laser na Nd:YVO4:
    • Daya mafi kyawun hali na Nd:YVO4 shine, idan aka kwatanta da Nd:YAG, adadin yawan shayarwa sau 5 mafi girma a cikin babban bandwidth mai faɗi a kusa da tsayin famfo mafi tsayi na 808nm, wanda kawai yayi daidai da ma'auni na diodes mai ƙarfi mai ƙarfi a halin yanzu.Wannan yana nufin ƙaramin kristal wanda za'a iya amfani dashi don laser, wanda ke haifar da ƙarin tsarin tsarin laser.Don ƙarfin fitarwa da aka ba, wannan kuma yana nufin ƙaramin ƙarfin wutar lantarki wanda diode laser ke aiki, don haka ƙara tsawon rayuwar diode laser mai tsada.Babban fa'ida mai fa'ida ta Nd:YVO4 wanda zai iya kaiwa sau 2.4 zuwa 6.3 na Nd:YAG.Bayan ingantaccen aikin famfo, yana kuma nufin babban kewayon zaɓi na ƙayyadaddun diode.Wannan zai zama taimako ga masu yin tsarin laser don ƙarin juriya don zaɓin ƙananan farashi.
    • Nd:YVO4 crystal yana da mafi girma ƙara kuzari giciye sassan, duka a 1064nm da 1342nm.Lokacin da a-axis ya yanke Nd: YVO4 crystal lasing a 1064m, yana da kusan sau 4 sama da na Nd: YAG, yayin da a 1340nm ɓangaren giciye ya fi girma sau 18, wanda ke kaiwa ga aikin CW gaba daya ya wuce Nd: YAG ku 1320nm.Waɗannan suna sa Nd:YVO4 Laser ya zama mai sauƙi don kula da hayaƙin layi ɗaya mai ƙarfi a tsawon zango biyu.
    Wani muhimmin hali na Nd:YVO4 lasers shine, saboda uniaxial ne maimakon babban ma'auni na cubic kamar Nd:YAG, kawai yana fitar da laser mai launi mai layi, don haka guje wa tasirin birefringent maras so akan jujjuyawar mitar.Ko da yake rayuwar Nd:YVO4 ta yi kusan sau 2.7 ya fi na Nd:YAG, ƙarfinsa na gangara na iya kasancewa har yanzu yana da tsayi sosai don ƙirar da ta dace na rami na Laser, saboda yawan ƙarfin famfo ɗin sa.

    Yawan Atomic 1.26×1020 atom/cm3 (Nd1.0%)
    Tsarin CrystalCell Parameter Zircon Tetragonal, rukunin sararin samaniya D4h-I4/amd
    a=7.1193Å,c=6.2892Å
    Yawan yawa 4.22g/cm 3
    Mohs Hardness 4-5 (Kamar Gilashi)
    Thermal Expansion Coefficient(300K) α=4.43×10-6/K
    αc=11.37×10-6/K
    Thermal Conductivity Coefficient(300K) ∥C:0.0523W/cm/K
    Ƙaddamar da C:0.0510W/cm/K
    Tsawon igiyar ruwa 1064nm ku,1342 nm
    Thermal Optical Coefficient(300K) dno/dT=8.5×10-6/K
    dne/dT=2.9×10-6/K
    Sashin giciye mai kuzari 25×10-19cm2 @ 1064nm
    Fluorescent rayuwa 90μs (1%)
    Yawan sha 31.4cm-1 @810nm
    Asarar cikin ciki 0.02cm-1 @ 1064nm
    Samun bandwidth 0.96nm@1064nm
    Fitar Laser Polarized polarization;a layi daya da axis na gani (c-axis)
    Diode yayi famfo na gani zuwa ingancin gani > 60%

    Ma'aunin Fasaha:

    Chamfer <λ/4 @ 633nm
    Jurewar girma (W±0.1mm) x (H±0.1mm) x(L+0.2/-0.1mm)(L2.5mm)(W±0.1mm) x (H±0.1mm) x(L+0.5/-0.1mm)(L2.5mm)
    Share fage Tsakiyar 95%
    Lalata λ/8 @ 633 nm, λ/4 @ 633nm(kaska kasa da 2mm)
    ingancin saman 10/5 Scratch/Dina kowane MIL-O-1380A
    Daidaituwa fiye da 20 arc seconds
    Daidaitawa Daidaitawa
    Chamfer 0.15 x 45 digiri
    Tufafi 1064nm ku,R0.2%;Rufin HR:1064nm ku,R99.8%,808nm ku,T95%