500nm Laser Crystals YVO4 Birefringent Crystal With Good Mechanical

Brand Name:STAR OPTIC
Certification:RoHS, ISO9001
Model Number:YVO4
Minimum Order Quantity:1pc
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Location: Wuhan China
Address: 4th floor, building 9, Optics Valley New Dynamic, 5th Hi-Tech road, East lake Hi-Tech Zone, Wuhan, China
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Birefringent Crystal YVO4

Overview:

The Yttrium Orthovanadate (YVO4) is a positive uniaxial crystal grown with Czochralski method. It has good mechanical and physical properties and is ideal for optical polarizing components due to its wide transparency range and large birefringence. It is an excellent synthetic substitute for Calcite (CaCO3) and Rutile (TiO2) crystals in fiber optical applications such as isolators, circulators, beam displacers, Glan polarizers and other polarizing optics.


General Specifications Of YVO4:

Dimension Tolerance(W±0.1mm) x (H±0.1mm) x (L±0.2mm)
Optical Axis Orientation±0.5°
Surface QualityBetter than 20/10 Scratch and Dig
Clear Aperture>90% Central
Surface Flatnessλ/4@633 nm
Parallelism<15 arc seconds
Perpendicularity<10 arc minutes
AR CoatingUpon Request

Physical and Optical Properties of YVO4:

Crystal StructureZircon tetragonal, space group D4h
Lattice Constantsa=b=7.12, c=6.29
Density4.22 g/cm3
Mohs Hardness5 glass like
Hygroscopic SusceptibilityNo
Transparency Range500nm ~ 4000nm
Thermal Conductivity Coefficient⊥C: 5.10w/m/K
||C: 5.23 w/m/K
Thermal Optical Coefficientsdna/dT=8.5x10-6/K
dnc/dT=3.0x10-6/K
Thermal Expansion Coefficientaa=4.43x10-6/K
ac=4.43x10-6/K
Crystal ClassPositive uniaxial with no=na=nb, ne=nc
Refractive Index
Birefringence (dn=ne-no)
Walk-Off Angle at 45 deg (p)
no=1.9929, ne=2.2154, dn=0.2225, p=6.04°, @630nm
no=1.9500, ne=2.1554, dn=0.2054, p=5.72°, @1300nm
no=1.9447, ne=2.1486, dn=0.2039, p=5.69°, @1550nm
Sellmeier Equations (λin um)no2=3.77834+0.069736/(λ2 - 0.04724) - 0.0108133λ2
ne2=4.59905+0.110534/(λ2 - 0.04813) - 0.0122676λ2


China 500nm Laser Crystals YVO4 Birefringent Crystal With Good Mechanical supplier

500nm Laser Crystals YVO4 Birefringent Crystal With Good Mechanical

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