Optical crystal This section introduces electro-optical crystals, oxide lens material crystals, and more. Electro-optic crystal KTN (KTa1-xNbxO3) KT (KTaO3) crystals SIL literature table of contents KTN/optical crystal KTN Crystal Devices optical crystal Electro-optic crystal KTN (KTa 1-x Nb x O 3) KT (KTaO 3) crystals SIL literature A high-precision drilling system suitable for small-diameter pipe jacking methods. Related literature