+86-431-85554379            邮箱图标素材_邮箱图标png图片下载_觅元素  sales@rays-optics.com



Crystal
Nd: YVO4
details

Basic Properties of Nd: YVO4

  Atomic Density:

  1.26x1020 atoms/cm3 (Nd1.0%)

  Crystal Structure:

  Zircon Tetragonal, space group D4h-I4/amd
  a=b=7.1193A,c=6.2892A

  Density;

  4.22g/cm3

  Mohs Hardness:

  4-5(Glass-like)

  Thermal Expansion Coefficient(300K):

  αa=4.43x10-6/K
  αc=11.37x10-6/K

  Thermal Conductivity Coefficient(300K):

  //C:0.0523W/cm/K
  ⊥C:0.0510W/cm/K


Optical Properties of Nd:YVO4:
 

  Lasing wavelength:

  1064nm,1342nm

  Thermal optical coefficient (300K):

  dno/dT=8.5×10-6/K
  dne/dT=2.9×10-6/K

  Stimulated emission cross-section:

  25×10-19cm@ 1064nm

  Fluorescent lifetime:

  90μs(1% Nd doping)

  Absorption coefficient:

  31.4cm-1 @810nm

  Intrinsic loss:

  0.02cm-1 @1064nm

  Gain bandwidth:

  0.96nm@1064nm

  Polarized laser emission:

  π polarization; parallel to optic axis(c-axis)

  Diode pumped optical to optical efficiency:

  >60%

  Sellemeier equations (λ in um)

  n02=3.77834+0.069736/(λ2-0.04724)-0.010813λ2

  ne2=4.59905+0.110534/(λ2-0.04813)-0.012676λ2

 

Nd:YVO4 Specifications:

● Dimension tolerance:(W±0.1mm)x(H±0.1mm)x(L+0.5/-0.1mm)  (L≥2.5mm)
                                        (W±0.1mm)x(H±0.1mm)x(L+0.2/-0.1mm)  (L<2.5mm) 
● Transmitting wavefront distortion:less than λ/4 @ 633nm
● Clear aperture:>90% central area
● Chamfer: 
≤0.2mm@45
 Chip: ≤0.1mm
● Flatness: λ/8 @ 633 nm (L≥2.5mm), λ/4 @ 633nm  (L<2.5mm)
● Scratch/Dig code: 10/5 to MIL-PRF-13830B
● Parallelism:better than 20 arc seconds
● Perpendicularity: ≤5 arc minutes
● Angle tolerance:≤0.5°
● Damage threshold[GW/cm2 ]: >1 for 1064nm, TEM00, 10ns, 10Hz (AR-
coated)


Previous:Nd: YAG
Next:TGG

Copyright © 2015 Rays Optics Co., Ltd. All rights reserved. Ji ICP for the preparation of 16001170-1   html

HOME  |  ABOUT US  |  PRODUCTS  |  EVENTS  |  CONTACT US