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teo2 crystal
teo2 crystal
teo2 substrate

TeO2 Substrates

Tellurium Dioxide (TeO2) is an excellent acousto-optic crystal material, it is widely applied in the production of Acousto-optic modulator (AOM), Acousto-optical deflector (AOD), Laser Q-switches, RF spectrum analyzers in laser technology science and optoelectronic technology, because of its high figure of merit, which depended on high elastic coefficient and high refractive index.


OST Photonics offers high quality TeO2 substrates for researchers and industries. Crystal size and thickness can be customized according to your requirements. In addition, TeO2 boules are also available upon request.


Application of TeO2 Substrates


  • Acousto-optic modulator, deflector and tunable filter

  • Laser Q-switches

  • RF spectrum analyzer


Advantages of TeO2 Substrates


  • High elastic coefficient

  • High refractive index

  • Excellent physical and mechanical properties


Ability of TeO2 Substrates


  • Orientation:<110>, etc.

  • Dimension: 1”, 2”, 5x5mm, 10x5mm, 10x10mm, 15x15mm, 20x20mm, etc.

  • Thickness: 0.5mm, 1.0mm, 2mm, 5mm, 10mm, etc.

  • Available items: wafers, substrates, blanks and customized optics


Specification and Properties of TeO2 Substrates

  

Crystal System

Tetragonal, 422 (D4)

Growth Method

Czochralski

Crystal Lattice Constant

a = 4.8122 Å, c = 7.6157 Å

Melting Point

733 ℃

Density

6.0 g/cm3

Hardness

4 Mohs

Color

Colorless

Transmitting Range

0.33-5.0 μm

Transmissivity

>70% at 633 nm

Refractive Index

ne =2.411  no= 2.258 at 633 nm

Thermal Conductivity

3 W/mK

Acoustic Velocity

0.617 km/sec for shear wave along<110>       
4.26 km/sec for longitudinal wave along<001>

Sound and Light Quality Factors

1200x10^-18 sec/g for shear mode along<110>         
34.5x10^-18 sec/g for longitudinal mode along<001>

Orientation

<110>, etc.

Orientation Tolerance

±0.5° or better

Dimension

1”, 2”, 5x5mm, 10x5mm, 10x10mm, 15x15mm, 20x20mm, etc.

Dimension Tolerance

±0.1 mm or better

Thickness

0.5mm, 1.0mm, 2mm, 5mm, 10mm, etc.

Thickness

0.43mm, 0.5mm, 0.65mm, 1.0mm, etc.

Surface Finish

Single side polished (SSP)/Double sides polished (DSP)

Package

Class 100 clean bag, Class 1000 super clean room



Product Parameters of Optical Grade TeO2 Boules


Material

Grade

Diameter

Growth direction

TeO2

optical

~70 mm

<110>


Contact Us
Welcome your presence, you can send us an email, we will get in touch with you within 24 hours.
Head Office: No. 66, 8 Group, Chengbei Village, Yanguan Town, Jiaxing 314411, China;

Hangzhou Branch: Room 1012, Chunhua Bussiness Center, No. 159, Hangbo Street, Shangcheng District, Hangzhou 310009, Zhejiang, China
Head Office: No. 66, 8 Group, Chengbei Village, Yanguan Town, Jiaxing 314411, China;

Hangzhou Branch: Room 1012, Chunhua Bussiness Center, No. 159, Hangbo Street, Shangcheng District, Hangzhou 310009, Zhejiang, China
sales@ostphotonics.com; info@ostphotonics.com +86-0571-86780460