Nd: YVO4 Muaju


  • Atomic ceev: 1.26x1020 atoms / cm3 (Nd1.0%)
  • Crystal Tsim Tus Qauv Cell: Zircon Tetragonal, qhov chaw pab pawg D4h-I4 / amd a = b = 7.1193Å, c = 6.2892Å
  • Qhov ceev: 4.22g / cm3
  • Hardness: Mohs: 4-5 (iav zoo li)
  • Thermal Expansion Coefficient (300K): αa = 4.43x10-6 / K αc = 11.37x10-6 / K
  • Thermal Kev Coj Ua Coefficient (300K): C : 0.0523W / cm / K
    C : 0.0510W / cm / K
  • Lasing wavelength: 1064nm , 1342nm
  • Thermal optical coefficient (300K): dno / dT = 8.5 × 10-6 / K
    dne / dT = 2.9 × 10-6 / K
  • Raug emission hla-seem: 25 × 10-19cm2 @ 1064nm
  • Khoom Nthuav dav

    Cov khoom yooj yim

    Nd: YVO4 yog cov ua tau zoo tshaj plaws laser party siv lead ua rau diode nqus ntawm cov kev lag luam tam sim no laser muaju, tshwj xeeb, rau qis rau nruab nrab lub zog ceev. Qhov no yog tsuas yog rau nws nqus thiab emission cov nta surpassing Nd: YAG. Nqa los ntawm laser diodes, Nd: YVO4 siv lead ua tau koom nrog cov NLO coefficient muaju (LBO, BBO, lossis KTP) rau zaus-hloov cov khoom tawm ntawm qhov ze ntawm infrared rau ntsuab, xiav, lossis txawm tias UV. Qhov kev koom ua ke no los tsim txhua lub xeev muaj cov lasers yog qhov zoo tshaj plaws laser lub cuab tam uas tuaj yeem npog cov ntaub ntawv siv ntau tshaj plaws ntawm cov lasers, suav nrog kev siv tshuab, kev ua khoom, kev tsom iav, kev soj ntsuam wafer, cov teeb pom kev, kev kuaj mob, laser luam tawm, thiab cov ntaub ntawv khaws cia, thiab lwm yam. tau pom tias Nd: YVO4 raws li diode pumped khoom hauv lub xeev lasers tau nrawm nrawm kev lag luam kev coj ua los ntawm cov dej txias ion ion lasers thiab teeb-pumped lasers, tshwj xeeb tshaj yog thaum tsim qauv tsim thiab ib-ntev-hom kev tsim tawm yuav tsum tau ua.
    Nd: YVO4 qhov zoo dua Nd: YAG:
    • Raws li siab txog li tsib zaug ntau dua qhov kev nqus tau zoo dua li qhov ua kom dav nrawm nrawm li 808 nm (yog li ntawd, qhov tso siab ntawm kev tso lub zog nthwv dej yog tsawg dua thiab muaj zog rau cov kev tawm suab tawm ib hom);
    • Raws li peb zaug loj qhov loj tshaj tawm cov pa tawm ntawm cov ntu ntawm qhov muaj qhov ntev ntawm 1064nm;
    • Kev qis qis qis dua thiab pob zeb siab dua;
    • Raws li siv lead ua uniaxial nrog lub birefringence loj loj, cov pa tawm tsuas yog kab tawm ncaj qha. 
    Laser Khoom Ntawm Nd: YVO4:
    • Ib qho cim ntxim nyiam tshaj plaws ntawm Nd: YVO4 yog, piv nrog Nd: YAG, nws 5 zaug loj dua qhov nqus coefficient nyob rau hauv qhov dav dav dav ntim ze rau ntawm 808nm ncov twj tso kua mis wavelength, uas nyuam qhuav phim tus qauv ntawm lub zog loj laser diodes tam sim no muaj. Qhov no txhais tau tias yog cov siv lead ua me dua uas yuav siv tau rau lub laser, ua rau kom muaj ntau qhov sib txuam laser ntau dua. Rau qhov tso zis tawm lub zog, qhov no kuj txhais tau tias qis qis zog uas cov laser diode ua haujlwm, yog li ncua lub neej ntawm cov khoom kim kim diode. Qhov dav dav dav bandwidth ntawm Nd: YVO4 uas tuaj yeem ncav cuag li 2.4 txog 6.3 npaug ntawm Nd: YAG. Dhau li ntawm kev ua kom tau ntau dua, nws kuj txhais tau tias qhov ntau ntawm cov kev xaiv ntawm diode tshwj xeeb. Qhov no yuav pab tau rau cov tshuab laser tshuab ua rau muaj qhov ua siab ntev rau kev xaiv txo nqi.
    • Nd: YVO4 siv lead ua muaj qhov loj dua emission cross-section, ob qho tib si ntawm 1064nm thiab 1342nm. Thaum a-axis txiav Nd: YVO4 siv lead ua lasing ntawm 1064m, nws yog li 4 npaug siab dua li ntawm Nd: YAG, thaum ntawm 1340nm qhov kev xav hla dhau yog 18 npaug loj dua, uas ua rau CW kev ua haujlwm ua haujlwm tag outperforming Nd: YAG ntawm 1320nm. Cov no ua Nd: YVO4 laser ua tau yooj yim kom muaj lub zog ruaj khov ib kab tawm ntawm ob txoj kab hluav taws xob.
    • Lwm qhov tseem ceeb ntawm Nd: YVO4 lasers yog, vim tias nws yog qhov tsis sib xws es tsis sib xws ntawm qhov cubic li Nd: YAG, nws tsuas yog tawm ntawm cov kab tawm uas muaj qhov sib txuam ntawm laser, yog li zam qhov tsis muaj kev cuam tshuam los cuam tshuam rau kev hloov pauv hloov. Txawm hais tias lub neej ntawm Nd: YVO4 yog kwv yees li 2.7 lub sijhawm luv dua li ntawm Nd: YAG, nws txoj kab nqes qeeb tseem tuaj yeem ua tau zoo heev rau kev tsim qauv ntawm cov kab noj hniav laser, vim tias nws lub siab tso tawm ntau npaum li cas.

    Atomic ceev 1.26 × 1020 atoms / cm3 (Nd1.0%)
    Crystal qauv QauvCell Parameter Zircon Tetragonal, chaw pab pawg D4h-I4 / amd
    a = b = 7.1193Å, c = 6.2892Å
    Yog ceev 4.22g / cm3
    Mohs Hardness 4-5 (iav zoo li)
    Thermal nthuav dav Coefficient300K a = 4.43 × 10-6 / K
    c = 11.37 × 10-6 / K
    Thermal Kev Coj Ua Sib Npaum Zoo300K C0.0523W / cm / K
    C0.0510W / cm / K
    Lasing wavelength 1064nm1342nm
    Thermal optical coefficient300K dno / dT = 8.5 × 10-6 / K
    dne / dT = 2.9 × 10-6 / K
    Raug emission hla-seem 25 × 10-19cm2 @ 1064nm
    Fluorescent lub neej 90μs (1%)
    Kev rho tawm coefficient 31.4cm-1 @ 810nm
    Kev mob siab rau poob 0.02cm-1 @ 1064nm
    Nce bandwidth 0.96nm@1064nm
    Polarized laser emission polarization; parallel rau optical axis (c-axis)
    Diode pumped kho qhov muag kom qhov ua tau zoo > 60%

    Kev tsis:

    Tshaj <λ/4 @ 633nm
    <λ @ 633nm <> Dim sab tso tivL(W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2 / -0.1mm)2.5 hliL(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) Ntshiab aperture
    Nruab Nrab 95% Lub Hauv Pausλ / 8 @ 633 nm, λ / 4 @ 633nm
    zuam tsawg dua 2 hli Deg zoo
    10/5 Khawb / khawb rau MIL-O-1380A Parallelism
    zoo dua 20 arc vib nas this zoo dua 20 arc vib nas this
    Tshaj Kev Txiav Txim
    0.15x45deg 1064nmRTxheej0.2%1064nmRHR Txheej99.8%T808nm