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KTN potassium tantalum niobate (KTa1-xNbxO 3 ; KTN for short) crystal is a multifunctional crystal with excellent performance, which has remarkable electro-optic effect and photorefractive effect. The crystal is generally grown by the melt method and has good thermal stability. properties, chemical stability and mechanical stability. Based on the above advantages, KTN crystal has a wide range of applications in the fields of nonlinear optics, optical storage, optical communication and optoelectronics.
Main Feature
High electro-optic coefficient;
Good piezoelectric and pyroelectric effects.
Typical Application
Capacitors, Resonators
Sensors, Light Detectors
Electro-optic switch
Photorefractive device
Material Properties
| The main parameters: | |
| Transmittance | Nearly 100% @488-3500nm |
| Dielectric constant | Equivalent to BaTiO 3 |
| Electromechanical Coupling Coefficient | higher than LiTaO 3 17 times |
| Electro-optic coefficient | Pockels effect, Kerr effect |
| Refractive index | 2.14-2.33 |
Product Parameters
| Crystal orientation tolerance | <100>±0.5° |
| size | 5x5mm, 10x10mm, can be customized according to customer needs. |
| thickness | 0.5-10mm |
| polishing | Single Throw/Double Throw |
| Surface roughness | Ra＜1nm |
| Package | Class 100 packaging bag, class 1000 ultra-clean room. |
