Product

  • Laser Crystal
  • Laser Crystal

Laser Crystal

crystal birefringent YVO4

Product introduction

  •  

    Physical and Optical Properties

    Chemical Formula Ti3+:Al2O3 Nd:Y3Al5O12 Nd:YVO4
    Crystal Structure Hexagonal Cubic Zircon Tetragonal,Space Group D4h
    Melting Point 2050℃ 1970℃
    Density 3.98g/cm3 4.56g/cm3 4.22g/cm3
    Mohs Hardness 9 8.5 5
    Thermal Conductivity Coefficient 0.11 cal/(℃*sec*cm)

    14W/m/K@20℃

    10.5 W/m/K@100℃

    ‖C:5.23W/m/k

    ˆC:5 .10W/m/k 

    Thermal Expansion Coefficient
    7.8*10-6/k [111],0-250℃

    Aa=4.43*10-6/k

    Ac=11.37*10-6/k

    Lasing Wavelength 660-1050nm(795nm) 1064nm 914nm,1064nm,1342nm
    Absorption Range 400-600nm Lamp pump 808nm
    Lattice Constants a=4.748,c=12.957 12.01 a=b=7.12,c=6.29
    Fluorescence Lifetime 3.2 m sec(T=300K) 230msec 90msec(about 50ms for 2 atm%Nd doped)@808nm
    Absorption Coefficient 1.0-7.5cm-1@490nm 7.1cm-1 31.4cm-1@808nm
    Refractive Index 1.76@800nm 1.82@1064nm No=1.9573,ne=2.1652@1064nm
    Polarized Emission Unpolarized Unpolarized Parallel to Optic Axis(C-axis)

    Capabilities

    Concentration 0.06-0.5 wt%Ti dopant 0.5-1.2 atm%Nd dopant(10% tolerance) 0.2-3 atm%Nd dopant(10% tolerance)
    Figure of Melt 100-300

    Aperture 2-50mm 3-14mm 1-20mm
    Path Length 2-130mm 1-60mm 0.02-20mm
    End Configuration Flat/Flat or Brewster/Brewster Ends or Specified

    LASER CRYSTAL


    Laser Crystal Ti:Sapphire Nd:YAG Nd:YVO4
    Orientation Optical Axis C Normal to Rod Axis <111>Crystalline Direction(+/-0.5℃) a-cut Crystalline Direction(+/-0.5℃)
    Parallelism <10 arc seconds
    Surface Quality

    Better than 60/40 Scratch/Dig

    Per MIL-O-13830A

    Better than 20/10 Scratch/Dig

    Per MIL-O-13830

    Better than 20/10Scratch/Dig

    Per MIL-O-13830A

    Surface Flatness <λ/10@633nm <λ/10@632.8nm <λ/10@632.8nm
    Wavefront Distortion <λ/4 per inch@633nm

    <λ/10 @632.8nm for3-7mm

    <λ 8="" per="" 632.8nm="" for="">=7m

    <λ/8@633nm
    Perpendicularity <5 arc minutes <5 arc minutes <5 arc minutes
    Clear Aperture Central 90% Central 95% Central 95%
    Chamfer 0.15*44° 0.15*45° 0.15*45°
    Damage Threshold Over 15J/cm2(Rods without Coating) over 700MW/cm2(Coating) Over 15J/cm2(Rods without Coating) over 700MW/cm2(Coating) Over 15J/cm2(Rods without Coating) over 700MW/cm2(Coating)

    Coatings

    AR@700-1100nm a)AR@10664nm,R<0.1%< td=""> a)AR@10664nm,R<0.1%< td="">
    b)AR@1064nm,R<0.1%;ht@808nm,t>95% b)AR@1064nm,R<0.1%;ht@808nm,t>95%
    c)HR@1064nm,R<99.8%;ht@808nm,t>95% c)HR@1064nm,R<99.8%;ht@808nm,t>95%
    d)HR@1064nm,R<99.8%;ht@808nm,t>95%;HR@532nm,R>99% d)HR@1064nm,R<99.8%;ht@808nm,t>95%;HR@532nm,R>99%



Contact us

*
*
*
点击刷新验证码
*

Recommended products

Hotline

+86 731 8705 1588

Copyright © 2023 Hunan Dayoptics, Inc.   Add:008, Jinshui West Road, Ningxiang Jinzhou New District, Changsha, 410600, Hunan, China
Business license   Sitemap       Technical support:Hnjing

Tel

+86 731 8705 1588

Email

sales@dayoptics.com

Top