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YVO4 Crystal, Beam Displacer & Wedge

YVO4 crystal, undoped Yttrium Orthovanadate, is widely used as polaizing beam displacer (YVO4 Slab or Wedge) because of its large birefringence. YVO4 crystal has good physical and favorable mechnical properties than others birefringent crystals, which make YVO4 well suited for compact fiber optical components, such as isolators, circulators and interleaver etc.

YVO4 Crystal Physical and Optical Properties:

Transparency Range 400~5000nm
Crystal Symmetry Zircon tetragonal, space group D4h
Crystal Cell A=b=7.12 Å, c=6.29 Å
Density 4.22 g/cm²
Hygroscopic Susceptibility Non-hygroscopic
Mohs Hardness: 5, glass like
Thermal Optical Coefficient dna/dT=8.5x10^-6/K; dnc/dT=3.0x10^-6/K
Thermal Conductivity Coefficient: //C: 5.23 W/m/K; ⊥C:5.10W/m/K
Crystal Class Positive uniaxial with no=na=nb, ne=nc
Refractive Indices, Birefringence and Walk-Off Angle at 45° No=1.9929, ne=2.2154, δn=0.2225, ρ=6.04° at 630nm
No=1.9500, ne=2.1554, δn=0.2054, ρ=5.72° at 1300nm
No=1.9447, ne=2.1486, δn=0.2039, ρ=5.69° at 1550nm
Sellmeier Equation ( λ in µm):
no² =3.77834 + 0.069736/( λ² - 0.04724) - 0.0108133 λ²
ne² =24.5905 + 0.110534/( λ² - 0.04813) - 0.0122676 λ²

YVO4 Crystal General Specifications

YVO4 Crystal Order Information

OptoCity offer different YVO4 products such as slab, prisms, micro wedge, polarization beam displacer, YVO4 Glan-Laser Polarizer, YVO4 Glan-Taylor Polarizer, YVO4 Rochon Polarizer, YVO4 Wollaston Polarizer etc. Please send us an email to request for quote.

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