Potassium Dihydrogen Phosphate



Potassium Dihydrogen Phosphate (KDP or KH2PO4is the most widely used commercial NLO material with wide transparency range, high birefringence and high optical damage threshold. KDP crystals are commonly used for frequency doubling, tripling and quadrupling of Nd:YAG laser at the room temperature. In addition, they are also excellent electro-optic crystals with high electro-optic coefficients, widely used as electro-optical modulators, Q-switches, and Pockels Cells, etc.