Nonlinear single crystals KDP, DKDP, ADP (diphosphates)

Nonlinear single crystals KDP (KH2PO4), DKDP (KD2PO4) and ADP (NH4H2PO4) are widely used as the second, third and fourth harmonic generators for Nd:YAG and Nd:YLF lasers. Crystals are also widely used for electro-optical applications as Q-switches for Nd:YAG, Nd:YLF, Ti:Sapphire and Alexandrite lasers, as well as for Pockels cells. The most commonly used electro-optical crystal is DKDP with a deuteration more than 98%.
These crystals are grown by a water-solution method and can be grown up to very large sizes. Therefore, they are as low-cost and large-size finished non-linear components available.
For frequency-doubling (SHG) and -tripling (THG) 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. For frequency - quadrupling (4HG, output at 266 nm) of Nd:YAG laser KDP crystal is normally recommended.

Nonlinear single crystals KDP, DKDP, ADP (diphosphates) are applicable in areas of research, development, education & production: photonics, optic, laser technology, dosimetry, telecommunications, electronic.

More information about Nonlinear single crystals KDP, DKDP, ADP (diphosphates) You can find on the Homepage MolTech GmbH:

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