United States ConOptics company offers a wide range of low voltage electro-optic modulator, drives and other accessories to meet your different needs. Electro-optic modulators and for pulse modulation system selection, regenerative switching, optical control and data storage. ConOptics companies of the electro-optic modulators are transverse electro-optic modulators. It uses three types of crystals are: ADP, and KD*P and the LTA.