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Potassium Dihydrogen Phosphate Crystal | KDP/DKDP Crystal
HM2828
New product
Potassium Dihydrogen Phosphate (KDP) and Deuterated Potassium Dihydrogen Phosphate (DKDP) Crystals are widely used in nonlinear optical applications due to their excellent UV transmission, high damage threshold, and high birefringence. They are ideal for frequency doubling and electro-optic modulation in Nd:YAG laser systems.
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Data sheet
| Density | 2.338 g/cm³ 2.355 g/cm³ |
| Materials | KDP/DKDP |
More info
Potassium Dihydrogen Phosphate (KDP) and Deuterated Potassium Dihydrogen Phosphate (DKDP) Crystals are known for their superior UV transmission, high damage threshold, and high birefringence. They are widely used for frequency conversion in Nd: YAG lasers and in electro-optic devices such as Q-switches and Pockels cells. Heeger Materials (HM) provides high-quality KDP/DKDP crystals with a wide transmission range of 200–2100 nm, making them ideal for advanced laser applications.
KDP/DKDP Crystal Properties
Item | DKDP | KDP |
Chemical Formula | KD2PO4 | KH2PO4 |
Crystal Structure | Tetragonal, 42m | Tetragonal, 42m |
Crystal Parameters | a=7.448 Å, c=6.977 Å | a=7.4697 Å, c=6.966 Å |
Optical Symmetry | Negative uniaxial (no>ne) | Negative uniaxial (no>ne) |
Density | 2.338 g/cm³ | 2.355 g/cm³ |
Mohs Hardness | 2.5 | 2.5 |
Transparency Range | 200-2100 nm (98% deuterium content) | 200-1650 nm |
Nonlinear Coefficients | d36 = 0.40 pm/V | d36 = 0.44 pm/V |
Refractive Index (at 1064 nm) | no = 1.4948, ne = 1.4554 | no = 1.4938, ne = 1.4599 |
Electro-optic Coefficients | r41 = 8.8 pm/V r63 = 25 pm/V | r41 = 8.8 pm/V r63 = 10.3 pm/V |
Longitudinal Half-wave Voltage | Vπ = 2.98 KV (λ = 546 nm) | Vπ = 7.65 KV (λ = 546 nm) |
Absorption Coefficients | 0.006 /cm | 0.07 /cm |
Damage Threshold | >3 GW/cm2 | >5 GW/cm2 |
Extinction Ratio | 30 dB |
|
Sellmeier Equations of DKDP: (λ in µm) | no2 = 1.9575544 + 0.2901391 λ2 / (λ2 - 0.0281399) - 0.02824391 λ2 + 0.004977826 λ4 ne2 = 1.5057799 + 0.6276034 λ2 / (λ2 - 0.0131558) - 0.01054063 λ2 + 0.002243821 λ4 | |
Sellmeier Equations of KDP: (λ in µm) | no2 = 2.259276 + 0.01008956 / (λ2 - 0.012942625) + 13.00522 λ2 / (λ2 - 400) ne2 = 2.132668 + 0.008637494 / (λ2 - 0.012281043) + 3.2279924 λ2 / (λ2 - 400) | |
KDP/DKDP Crystal Specifications
Properties | Values |
Orientation Accuracy | < 30 arcmin |
Clear Aperture | > 90% |
Parallelism | < 20 arcsec |
Perpendicularity | < 5 arcmin |
Surface Quality | 20/10, S/D |
Flatness | < λ/4 @ 632.8 nm |
Extinction Ratio | 30 dB |
KDP/DKDP Crystal Applications
- Frequency Conversion: Used for second, third, and fourth harmonic generation in Nd:YAG laser systems, enabling efficient frequency conversion.
- Electro-optic Modulation: Ideal for manufacturing Q-switches, Pockels cells, and other electro-optic modulators for laser control.
- UV Generation: Widely used in applications that require UV light generation due to their excellent UV transmission properties.
- Laser Systems: Applied in high-power laser systems, including those used in scientific, industrial, and military applications.
- Optical Pulse Compression: Used in optical systems for pulse compression, contributing to improved performance in high-energy laser systems.
KDP/DKDP Crystal Packing And Shipping
KDP/DKDP Crystal will be securely packaged in sturdy containers with cushioning materials to prevent movement or damage during shipping. This careful packaging ensures that the product arrives in perfect condition, maintaining its high-quality standards throughout the delivery process.
Where to Buy KDP/DKDP Crystal in Bulk?
Heeger Materials Inc., a professional supplier and manufacturer of high-quality Nonlinear Crystals products including KDP/DKDP Crystal, leverages extensive expertise in supply and export to offer competitive prices. We provide customized solutions to meet specific requirements, ensuring exceptional quality and customer satisfaction.
Heeger Materials Inc. was established in 2016 in Colorado, USA. We specialize in premium-grade metals, alloys, ceramics, powders, and other materials catering to research, development, and large-scale industrial production in scientific and industrial sectors.
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