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ktn crystal
ktn crystal

KTN Substrates

Potassium niobate-tantalate (KTa1-xNbxO3 or KTN) is a kind of multifunctional crystal with excellent performance, it has obvious electro-optical effect and photorefractive effect. KTN crystal is generally grown by melt method, it has good thermal stability, chemical stability and mechanical stability. Based on the above advantages, KTN crystal has a wide range of applications in nonlinear optics, optical storage, optical communication and optoelectronics.


OST Photonics offers high quality KTN substrates for researchers and industries. Crystal orientation, size and thickness can be customized according to your requirements.


Application of KTN Substrates


  • Nonlinear optics

  • Optical storage

  • Optical communication

  • Optoelectronics


Advantages of KTN Substrates


  • Good thermal stability

  • Good chemical stability

  • Excellent mechanical stability


Ability of KTN Substrates


  • Orientation:<100>,<110>,<111>, etc.

  • Dimension: 5x5mm, 10x10mm, 15x15mm, etc.

  • Thickness: 0.5mm, 1.0mm, etc.

  • Available items: substrates, blanks and customized optics


Specification and Properties of KTN Substrates

 

Crystal Structure

Cubic, perovskite

Growth Method

Czochralski

Curie Temperature

20-30 ℃ (depend on Nb content)

Melting point

1350 ℃

Lattice constant

a=3.989-4.0 Å (depend on Nb content)

Density

7.015 g/cm3

Mohs Hardness

6 Mohs

Thermal Conductivity

5.7 w/m•k@300K

Electro-optic Coefficient

r33>600 pm/V

Coercive Field

Ec=250 V/mm

Refraction Index

2.23

Transmission Wavelength

400~4000 nm

Orientation

<100>,<110>,<111>, etc.

Orientation tolerance

±0.5° or better

Dimension

5x5mm, 10x10mm, 15x15mm, etc.

Dimension Tolerance

±0.1 mm or better

Thickness

0.5mm, 1.0mm, etc.

Thickness Tolerance

±0.05 mm or better

Surface Finish

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

Roughness

Ra≤5Å

Package

Class 100 clean bag, Class 1000 super clean room


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