Yttrium Orthovanadate Specifications

Index of Refraction at Nd:YAG (1.064 µm)a

no = 1.959
ne = 2.166

Abbe Number (Vd), Extraordinary

18.10

Abbe Number (Vd), Ordinary

20.29

Transmission Range

488 nm - 3.4 µm

Density

4.23 g/cm3

Knoop Hardness

480 kg/mm2

Young's Modulus

133 GPa

Coefficient of Thermal Expansion

11 x 10-6 /°C (Parallel)
4.4 x 10-6 /°C (Perpendicular)

Heat Capacity

0.51 J/(g*K)

Melting Point

1750 - 1940 °C

Change in Index of Refraction 
with Temperature (@ 632.8 nm)

2.9 x 10-6 /°C (Parallel)
8.5 x 10-6 /°C (Perpendicular)