Nd:YVO4 is an excellent laser host crystal for diode laser pumped solid-state lasers. It has large stimulated emission cross-section at lasing wavelength, and high absorption coefficient and wide absorption bandwidth at pump wavelength. Nd:YVO4 is mostly used for high power, stable and cost-effective diode pumped solid-state lasers.

Specifications Dimension tolerance ±0.1mm Angle tolerance <0.5° Surface flatness l/8@632.8nm Wavefront distortion l/8@632.8nm Surface quality 20-10 Parallelism <20 arcsec Perpendicularity <5 arcmin Clear aperture >80%

The following parameters are typically required to specify when ordering: ► Sizes             Width x Height x Length (mm) ► Nd dopant       0.27%, 0.3%, 0.4%, 0.5%, 0.7%, 1.0%, 2%, 3% ► Coating on S1&S2       (1) AR@1064nm, R<0.1% ► Coating on S1&S2       (2) AR@1064nm, R<0.1%  + HT@808nm, T>90% ► Coating on S1&S2       (3) HR@1064nm, R>99%  + HT@808nm, T>90% + HR@532nm

Nd:YVO4 optical and physical properties.

Crystal structure:Zircon tetragonal, space group D4h

Lattice parameters:A=B=7.12Å, C=6.29Å

Density :  4.22g/cm3

Melting point:1825℃   

Mohs hardness:5           

Density                 4.64g/cm3

Thermal expansion coefficient       aa=4.43 x10-6/K; ac=11.37x10-6/k

Thermal conductivity           ∥c, 5.23w/m/k, ⊥c, 5.10W/cm/k

Transparency range           400-5000nm

Lasing wavelength            914nm, 1064nm, 1342nm

Temperature coefficient  do/dT=8.5x10-6/K;  de/dT=3.0x10-6/K

Stimulated emission cross-section  25x10-19cm-2 @1064nm

Fluorescent lifetime  90ms@810nm

Absorption coefficient  31.4/cm @810nm

Absorption length  0.32mm @810nm

Intrinsic loss  0.02/cm

Gain bandwidth  0.96nm@1064nm

Polarized laser emission  p polarization parallel to optic axis (c-axis)

Damage threshold  15GW/cm2 @1064nm, 0.1ns