TeO2 Crystal

Crystals >>>  Acoustic Optical Crystals >>> TeO2 Crystal

Tellurium Dioxide, or TeO2  are widely used as acousto-optic modulators because of their high acousto-optic figure of merit.
 
Main Specifications  
 

Boule

Wafer

Growth direction

[100] [110] [111]

[110] [001] [111]

Dimension

f 35 ~ 50mm

f 35 ~ 50mm

Length/Thickness

50 ~ 60mm

0.2 ~ 1.0mm

Flatness  

≤ 15 mm

Bow  

≤ 15 mm

 

Physical Properties  
Crystal Structure Tetragonal
Point Group 422
Lattice Parameter )nm) a   0.4810
c   0.7613
Density 5.99 g/cm3
Melting Point 730C
Mohs Hardness 4.5
Transparency Range (nm) 350 ~ 500
Gradient of Refractive Index(10-15)/cm 5
Refractive Index no = 2.260
n = 2.142
Transmittivity 70%@632.8nm
Phase Velocity (m/s) 616
Photo-elastic Coefficient P11=0.074   P13=0.340   P31=0.091   P33=0.240
Figure of Merit( 10-18S3)/g M2 793
 

 
 

 

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