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YVO4

YVO4 is an excellent birefringence optical crystal material. It has large index of refractivity and birefringence difference. It has very good transmission in a wide wavelength range from visible to infrared and its mechanical property is very well. It is widely used in optical information industry.

Typical Physical Properties

molecular Formula

YVO4

Crystal Structure

Tetragonal  a=7.12Å c=6.29 Å

Growth Method

Czochralski

Density

4.22g /cm3

Melt Point

1825oC

Hardness

5 Mohs

Thermal Expansion

aa=4.43×10-6/K ; ac=11.37×10-6/K

Thermal Conductivity

A axis = 5.32W/(m.k); C axis = 5.10 W/(m.k)

Thermal Optic Coefficient dna/dT =8.5 ×10 -6 / K; dnc/dT=3.0 ×10 -6 / K

Permeance Range

0.4~5um

Absorption Coefficient

31.4 cm-1 at 810 nm

Intrinsic Loss

0.02 cm-1 at 1064 nm

Gain bandwidth

0.96 nm at 1064 nm

Standard Size

3 x 3 x 1 mm, 3 x 3 x 2 mm, 10x10x 0.5 mm

Special size and orientation are available upon request.

Orientation Accuracy

±0.3o

Polishing & Micro Roughness

Single or double sides polished     Ra<5 Å

   
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