YVO4 Birefringent Crystals

Yttrium Vanadate(YVO4)is a positive uniaxial crystal grown with Czochralski method. It 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.

Product Details

Description

Yttrium Vanadate (YVO4) crystals have good mechanical and physical properties and are ideal for optical polarizing components because of their wide transparency range and large birefringence. Yttrium Vanadate(YVO4) is a positive uniaxial crystal grown with Czochralski method. It 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.

Features

Excellent Transmission from 400nm to 4000nm

Rugged and Durable

Resistant to Chemical Etching

Applications

Rochon prism

Color filter

polaroid

Optical modulator

Main Specification

Materials

YVO4

Orientation

[001] or [100] or [111] < ±0.5°

Parallel

10〞

Perpendicular

surface Quality

10/5

Wavefront Distortion

λ/4@632nm

Surface Flatness

λ/8@632nm

Clear Aperture

>95%

Chamfer

<0.1×45°

Thickness/Diameter   Tolerance

±0.05 mm

Maximum dimensions

dia 50×100mm

Coatings

AR/AR@940+1030;HR@1030+HT@940+AR1030;

Material characteristics

Physical and chemical properties

Properties

YVO4

Type of Material  

single crystal  

Crystal Structure  

Zircon Tetragonal, D4h a =b= 7.12Å, c = 6.29 Å  

Transmission Range

400-4000nm  

Refractive Index  

no = 1.9721, ne= 1.2.1856 @0.800µm  

Density  

4.22 g/cm3  

Melting Point  

1825°C  

Molecular Weight  

62.32 

Thermal Conductivity    

||C: 5.23 w/m/k; ⊥C:5.10w/m/k

Specific Heat  

590 J/(kg·K) 

Thermal Expansion  

∥A: 13.7·10-6 /°C; ∥C: 11.4·10-6 / °C @20°C 

Hardness (Mohs)  

5

Solubility in Water  

< 0.0002 g/100g  @ 0°~60°C  


Optical characteristics

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YVO4 Refractive Index

No = Ordinary Ray   Ne = Extraordinary Ray

   nm   

No

Ne

1550

1.9447

2.1486

1300

1.9500

2.1554

1064

1.9571

2.165

800

1.9721

2.1859

632.8

1.9929

2.2154

532

2.0177

2.2508

Transmission Curve

image005.jpg

Standard product


End configuration,mm

Thickness, mm

Transmission range, nm

Coating

5×5

0.1

400 - 4000

AR/AR@940+1030
      HR@1030+HT@940+AR1030

0.2

0.5

1

2

5

10

20

10×10

0.1

0.2

0.5

1

2

5

10

20

12.7×12.7

0.1

0.2

0.5

1

2

5

10

20



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