Rockfort Associate Private Limited

Yttrium Vanadate YVO4

For the attainment of the complete clients' credibility, we issue an invoice to them including all the relevant information regarding products as well as agreed price. By using quality packing material, we make sure that the products are properly packed and there will be zero damage during transit. Moreover, our packaging experts stringently check the entire lot before making the final dispatch. Details : Large quantity YVO4 wedges and displacers used for fiber optical isolators and circulators, interleavers, in size 1.25x1.25x0.5mm to 3x3x15mm to meet OEM customer’s requirement. Quick delivery Very competitive price Strict quality control; Very competitive price YVO4 crystal application : YVO4 crystal are widely used in fiber-optic isolators, beam displacers for fiber optical circulators, and interleavers, etc.

• Comparison Of Basic Properties Between YVO4 And Other Birefringent Crystals

  		YVO4	TiO2	CaCO3	LiNbO3
  Thermal Expansion (/)	c-axis	11.4x10-6	9.2x10-6	26.3x10-6	16.7x10-6
  	a-axis	4.4x10-6	7.1x10-6	5.4x10-6	7x10-6
  Refractive Index	no	1.9447@1550nm	2.454@1530nm	1.6346@1497nm	2.2151@1440nm
  	ne	2.1486@1550nm	2.710@1530nm	1.4774@1497nm	2.1413@1440nm
  Birefringence(ne-no)		0.2039@1550nm	0.256@1530nm	-0.1572@1497nm	-0.0738@1440nm
  Mohs Hardness		5	6.5	3	5
  Deliquescence		None	None	Weak	None
  Transparency range		0.4-5μm	0.4-5μm	0.35-2.3μm	0.4-5μm

• Basic Properties Of YVO4 Crystal

  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
  Mohs Hardness	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 45o(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