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Yttrium Vanadate (YVO4)


Yttrium Vanadate (YVO4) crystals are positive uniaxial crystals grown using the Czochralski method. They have good mechanical and physical properties and are ideal for optical polarizing components because of their wide transparency range and large birefringence. They are an excellent synthetic substitute for Calcite (CaCO3) and rutile (TiO2) in many applications including fiber optic isolators and circulators, beam displacers, Glan polarizers and other polarizing optics.


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                Transparency Curve of YVO4

                    (Thickness=1mm)


Attribute

Commercial

High Precision

Optical Axis Orientation

± 0.5°

±0.1°

Parallelism

20"

10"

Perpendicularity

15'

5'

Flatness

λ/4

λ/10

Surface Quality

40-20 scratch and dig

10-5 scratch and dig

Dimension Tolerance

±0.1mm

± 0.005mm

AR Coating

R<0.2%@1550 +40nm

Specified

Additional YVO4 crystal and coating specifications are available upon request.




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