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Nd:YVO4 Crystals

Spectroscopic and thermo-mechanical properties

Absorption peak wavelength 808 nm
Absorption cross-section at peak 5.8×10-19 cm2
Absorption bandwidth at peak wavelength 16 nm
Laser wavelength 1064 nm
Lifetime of 4F3/2 neodymium energy level 90 μs
Emission cross-section 11.4×10-19 cm2
Refractive index @1064 nm no=1.96 ne=2.17
Crystal structure tetragonal
Density 4.22 g/cm3
Mohs hardness 5
Thermal conductivity ~5 Wm-1K-1
dn/dT 3.0×10-6 (||c) K-1, 8.5×10-6 (||a) K-1
Thermal expansion coefficient 11×10-6 (||c) K-1, 4.4×10-6 (||a) K-1
Typical doping level 0.1-3 at. %

Standard specifications

Orientation a-cut
Clear aperture >90%
Face dimensions tolerance +0/-0,1 mm
Length tolerance ±0,1 mm
Parallelism error <10 arcsec
Perpendicularity error <10 arcmin
Protective chamfers <0,1 mm at 45˚
Surface quality 10-5 S-D
Surface flatness <λ/8@632,8 nm
Coatings AR(R<0,5%)@808 nm + AR(R<0,15%)@1064 nm
Laser induced damage threshold >10 J/cm2@1064 nm, 10 ps
Mount Unmounted