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China is a global leader in producing large-scale KDP (Potassium Dihydrogen Phosphate) and DKDP (Deuterated Potassium Dihydrogen Phosphate) crystals, achieving boules over
. These, with
deuteration, are essential for inertial confinement fusion (ICF) and high-power, large-aperture frequency conversion (SHG/THG). Rapid growth and "cuboid" methods are used for large-aperture, high-damage threshold optics.
Key Capabilities in China
- Large-Scale Production: Chinese manufacturers, such as WISOPTIC and other specialized suppliers, routinely produce large-aperture KDP/DKDP crystals for high-power laser systems, with capabilities to create finished optics exceeding 400 mm in size.
- Growth Techniques: Rapid growth methods allow for the production of large boules in roughly three months, achieving perfect crystallization and minimal macroscopic defects.
- "Cuboid" & "Long-Seed" Growth: Innovative methods like the "long-seed" and "cuboid" growth techniques improve efficiency, allowing for higher yields of 3rd harmonic generation (THG) oriented samples needed for ICF.
- Performance Metrics: The large-aperture DKDP crystals feature high UV transmission, high damage resistance thresholds, and high deuteration levels (typically ~70%).
This video demonstrates the traditional, slow process of growing large KDP crystals:
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Web results
High-Purity Kdp/Dkdp Crystals for Advanced Laser Applications
Made-in-China.com
https://m.made-in-china.com › product › High-Purity-K...
Made-in-China.com
https://m.made-in-china.com › product › High-Purity-K...
High-Purity Kdp/Dkdp Crystals for Advanced Laser Applications ; Port: Jinan, China ; Details. KDP/DKDP(KD*P) Potassium Dihydrogen Phosphate (KDP) and Deuterated ...
Study on optical property of rapid growth KDP and DKDP ...
researching.cn
https://www.researching.cn › ArticlePdf › 2012/10
researching.cn
https://www.researching.cn › ArticlePdf › 2012/10
PDF
by M Xu2012Cited by 8 — For KDP and DKDP crystals, the value of laser damage threshold at 1 053 nm has a 2.5-3.8× increase compared with that tested at 526 nm and LDT of Z-cut samples.Read more
Large aperture nonlinear elements from KDP and DKDP ...
SPIE Digital Library
https://www.spiedigitallibrary.org › 12.725701.short
SPIE Digital Library
https://www.spiedigitallibrary.org › 12.725701.short
by AA Babin2007Cited by 1 — We have developed a procedure of manufacturing nonlinear elements from KDP and DKDP single crystals with aperture up to 320x320 mm.Read more
China KDP & DKDP Crystal factory and manufacturers
WISOPTIC
https://www.wisoptic.com › kdp-dkdp-crystal-product
WISOPTIC
https://www.wisoptic.com › kdp-dkdp-crystal-product
KDP (KH2PO4 ) and DKDP/KD*P (KD2PO4 ) are among the most widely-used commercial NLO materials. With good UV transmission, high damage threshold, and high.
Rapid Growth of Large-Scale (20-50cm) KDP Crystals
Optica Publishing Group
https://opg.optica.org › abstract
Optica Publishing Group
https://opg.optica.org › abstract
by NP Zaitseva1996Cited by 1 — KH2PO4 (KDP) and K(DxH1-x)2PO4 (DKDP) crystals are at present the only nonlinear crystals which can be grown to the sizes (30-80 cm) needed for laser radiation ...Read more
Stock And Customizable KDP And DKDP Crystals
HG Optronics.,INC.
https://www.hgoptronics.com › stock-and-customizable...
HG Optronics.,INC.
https://www.hgoptronics.com › stock-and-customizable...
China supplier of laser crystals - Stock And Customizable KDP And DKDP Crystals offered by HG OPTRONICS.,INC. We provide customized services and crystal ...
Progress on deuterated potassium dihydrogen phosphate ...
National Institutes of Health (.gov)
https://pmc.ncbi.nlm.nih.gov › articles › PMC9338038
National Institutes of Health (.gov)
https://pmc.ncbi.nlm.nih.gov › articles › PMC9338038
by M Xu2022Cited by 53 — The traditional temperature-reduction method has been widely used to grow large KDP/DKDP crystals, which requires a long growth period of more than two years ...Read more
Potassium Dihydrogen Phosphate Crystals (KDP)
G&H photonics
https://gandh.com › crystals-and-nonlinear-optics › pot...
G&H photonics
https://gandh.com › crystals-and-nonlinear-optics › pot...
The KD*P family exhibits strong electro-optic coefficients and broad transparency. KDP is a widely used nonlinear optical crystal known for its excellent UVÂ ...Read more
KDP&DKDP Crystal
CRYSMIT OPTICS
https://crysmit.com › KDP-Crystal
CRYSMIT OPTICS
https://crysmit.com › KDP-Crystal
KDP&DKDP Crystal-Nonlinear Crystals-Optics Manufacturer and BBO Crystal Supplier from China. ... CRYSMIT supplies high quality KDP and DKDP crystals in large ...Read more
Global DKDP & KDP Crystal Market Research Report 2025
QY Research
https://www.qyresearch.com › reports › dkdp---kdp-crystal
QY Research
https://www.qyresearch.com › reports › dkdp---kdp-crystal
Sep 2, 2025 — The global market for DKDP & KDP Crystal was valued at US$ 47.18 million in the year 2024 and is projected to reach a revised size of US$ ...