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YVO4 Substrate

Advantage：

1.Good temperature stability and physical and mechanical properties Request A Quote

YVO4 is an excellent birefringent crystal for fiber optics applications. Which has good temperature stability and physical and mechanical properties. It is ideal for optical polarizing components because of its wide transparency range and large birefringence. It is an excellent synthetic substitute for Calcite (CaCO3) and Rutile (TiO2) crystals in many applications including fiber optic isolators and circulators, interleavers, beam displacers and other polarizing optics.

Properties:

Transparency Range	High transmittance from 0.4 to 5 μm
Crystal Symmetry	Zircon Tetragonal, space group D4h
Crystal Cell	a=b=7.12A;c=6.29A
Density	4.22 g/cm3
Hardness(Mho)	5, glass-like
Hygroscopic Susceptibility	Non-hygroscopic
Thermal Expansion Coefficiet	αa=4.43x10-6/K;αc=11.37x10-6/K
Thermal Conductivity Coefficient	//C:5.23 W/m/K;⊥C:5.10 W/m/K
Crystal Class:	Positive uniaxial with no=na=nb,ne=nc
Thermal Optical Coefficient	Dna/dT=8.5x10-6/K;dnc/dT=3.0x10-6/K
Refractive Indices, Birefringence (△n=ne-no) and Walk-off Angle at 45°(ρ)	no=1.9929,ne=2.2154,△n=0.2225,ρ=6.04° at 630nm no=1.9500,ne=2.1554,△n=0.2054,ρ=5.72° at 1300nm no=1.9447,ne=2.1486,△n=0.2039,ρ=5.69° at 1550nm
Sellmeier Equation (λ in μm)	no2=3.77834+0.069736/(λ2-0.04724)-0.0108133λ2 ne2=4.59905+0.110534/(λ2-0.04813)-0.0122676λ2

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