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Yttrium orthovanadate

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Yttrium orthovanadate (YVO₄) is a transparent crystal.

Basic Properties

Crystal Structure:
*Zircon Tetragonal(Tetragonal Bipyramidal)
* space group D_4h
* a=b=7.12, c=6.29

Density: 4.22 g/cm²

Mohs scale of mineral hardness: Glass-like, ~5

Thermal Expansion Coefficient:
* α_a=4.43x10^-6/K
* α_c=11.37x10^-6/K

Thermal Conductivity Coefficient:
*parallel to C-axis: 5.23 W/m/K
*perpendicular to C-axis: 5.10 W/m/K

Refractive Indices, Birefringence ( δ n = n_e - n_o) and Walk-off Angle at 45^o(ρ):
*at 0.63 μm
**n_e=2.2154
**n_o=1.9929
**δ n =0.2225
**ρ=6.04
*at 1.30 μm
**n_e=2.1554
**n_o=1.9500
**δ n =0.2054
**ρ=5.72
*at 1.55 μm
**n_e=2.1486
**n_o=1.9447
**δ n =0.2039
**ρ=5.69
*Sellmeier equation (λ in μm):
**n_e²=4.59905 + 0.110534/(λ² - 0.04813) - 0.0122676l2 λ²
**n_o²=3.77834 + 0.069736/(λ² - 0.04724) - 0.0108133 λ²

See also

Neodymium doped yttrium orthvanadate(Nd:YVO₄), one of the laser media for diode laser-pumped solid-state lasers.

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