Products and Services
KT (KTaO3) Crystal
Source:
NTT Advanced Technology Corporation
Novel optical material with high refractive optical index. Suitable material for various lens due to its high refractive index, transparency and no birefringence.
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KT (KTaO3) Crystal Datasheet
KT (KTaO3) Crystal Datasheet
KT (KTaO3) Crystal Datasheet
Novel optical material with high refractive optical index. Suitable material for various lens due to its high refractive index, transparency and no birefringence.
Highlights:
- Transparent optical crystal composed of Kalium (K), Tantalum (Ta) and Oxygen (O)
- Optically isotropic cubic crystal in the range of 365nm - 4000mm
- Achieving very high refractive index in the range of visible region (Refractive index is more than - 2.2)
- Very stable against thermal condition and humidity
Features:
- Chemically stable and transparent optical crystal
- No birefringence in the range of 365nm - 4000nm
- Very high refractive index (nd = 2.24257)
Applications:
- Material for various lens due to its high refractive index, transparency and no birefringence
- SIL (Solid Immersion Lens) for next generation optical data storage unit and Quantum Dot Spectroscopy
KT (KTaO3) Crystal Datasheet

