Laser Crystals

Potassium Dihydrogen Phosphate (KDP) and Potassium Dideuterium Phosphate (DKDP) are among the most widely-used commercial NLO materials. They have good UV transmission, high damage threshold, and high birefringence, with low NLO coefficients. They are usually used for doubling, tripling or quadrupling of a Nd:YAG laser (constant temperature). With excellent optical homogeneity and high E-O coefficients, KDP and DKDP crystals are also widely used in E-O modulators and Q-switches.
BeamQ provides high quality KDP and DKDP crystals in diverse sizes for the above applications, as well as customized services for crystal select, design and processing.

EKSMA OPTICS, OEM DKDP Pockels Cell Kit For Lamp Pumped Nanosecond Lasers, their product is here.

Other sellers for DKDP Pockels Cell:

United Crystals:  DKDP Pockels Cell, CA 10mm, with AR-coating at 1064nm on both DKDP and BK-7 windows, housing outer diameter 25mm

Crystals are used for electro-optical applications as Q-switches for Nd:YAG, Nd:YLF, Ti:Sapphire and Alexandrite lasers, and for Pockels cells. The most commonly used is DKDP with a deuteration more than 98%. The laser crystals are grown by a water-solution method . It can be grown up to very large sizes. They are low-cost and large-size finished non-linear components. For frequency-doubling and -tripling of Nd:YAG laser at 1064 nm, both type I and type II phase-matchings can be employed for Nonlinear single crystals KDP and DKDP.