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Super Lowest Price Lib3o5 - KDP & DKDP Crystal – WISOPTIC

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Super Lowest Price Lib3o5 - KDP & DKDP Crystal – WISOPTIC Detail:

KDP (KH2PO) and DKDP/KD*P (KD2PO) are among the most widely-used commercial NLO materials. With good UV transmission, high damage threshold, and high birefringence, these material are usually used for doubling, tripling and quadrupling of Nd:YAG laser.

With high E-O coefficient, KDP and DKDP crystals are also widely used to make Pockels cells for laser system, such as Nd:YAG, Nd:YLF, Ti-Sapphire, Alexandrite, etc. Even though DKDP with high deuteration is more commonly used, KDP and DKDP both can do phase matching of type I and type II for the SHG and THG of 1064nm Nd:YAG laser. We recommend KDP for FGH of Nd:YAG laser (266nm).

As one of the major KDP/DKDP suppliers (source manufacturer) in the whole international market, WISOPTIC has high capability of material selection, processing (polishing, coating, gold-plating, etc). WISOPTIC confirms reasonable price, mass production, quick delivery and long guarantee period of these materials.

Contact us for the best solution for your application of KDP/DKDP crystals.

WISOPTIC Advantages - KDP/DKDP

• High deuteration ratio (>98.0%)

• High homogeneity

• Excellent internal quality

• Top finish quality with high processing precision

• Large block for various size and shapes

• Very competitive price

• Mass production, quick delivery

WISOPTIC Standard Specifications* - KDP/DKDP 

Deuteration Ratio > 98.00%
Dimension Tolerance ± 0.1 mm
Angle Tolerance ≤ ± 0.25°
Flatness < λ/8 @ 632.8 nm
Surface Quality < 20/10 [S/D] (MIL-PRF-13830B)
Parallelism < 20”
Perpendicularity ≤ 5′
Chamfer ≤ 0.2mm @ 45°
Transmitted Wavefront Distortion < λ/8 @ 632.8 nm
Clear Aperture > 90% of central area
Laser Damage Threshold > 500 MW for 1064nm, TEM00, 10ns, 10Hz (AR-coated)
> 300 MW for 532nm, TEM00, 10ns, 10Hz (AR-coated)
* Products with special requirement upon request.

dkdp
DKDPfe
KD-2

DOWNLOAD Technical Data – KDP & DKDP


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Main Features - KDP/DKDP

• Good UV transmission

• High optical damage threshold

• High birefringence

• High nonlinear coefficients

Primary Applications – KDP/DKDP

• Laser frequency conversion – Second, third, and fourth harmonic generation for high pulse energy, low repetition (<100 Hz) rate lasers

• Electro-optical modulation

• Q-switching crystal for Pockels cells

Physical Properties – KDP/DKDP

  Crystal KDP DKDP
Chemical formula KH2PO4 KD2PO4
Crystal structure I42d I42d
Space group Tetragonal Tetragonal
Point group 42m 42m
Lattice constants a=7.448 Å, c=6.977 Å a=7.470 Å, c=6.977 Å
Density 2.332 g/cm3 2.355 g/cm3
Mohs hardness 2.5 2.5
Melting point 253 °C 253 °C
Curie temperature -150 °C -50 °C
Thermal conductivity [W/(m·K)] k11= 1.9×10-2 k11= 1.9×10-2, k33= 2.1×10-2
Thermal expansion coefficients (K-1) a11= 2.5×10-5, a33= 4.4×10-5 a11= 1.9×10-5, a33= 4.4×10-5
Hygroscopicity high high

Optical Properties – KDP/DKDP

  Crystal KDP DKDP
Transparency region
(at “0” transmittance level)
176-1400 nm 200-1800 nm
Linear absorption coefficients
(@ 1064 nm)
0.04 /cm 0.005 /cm
Refractive indices (@1064 nm) no=1.4938, ne=1.4601 no=1.5066, ne=1.4681
NLO coefficients (@1064 nm) d36=0.39 pm/V d36=0.37 pm/V
Electro-optic coefficients r41=8.8 pm/V, r63=10.3 pm/V

r41=8.8 pm/V, r63=25 pm/V

Longitudinal half-wave voltage 7.65 kV (λ=546 nm) 2.98 kV (λ=546 nm)
SHG conversion efficiency 20~30% 40~70%

Phase matching angle for SHG of 1064 nm

KDP

DKDP

Type of phase matching Type 1 ooe Type 2 eoe Type 1 ooe Type 2 eoe
Cut angle θ 41.2° 59.1° 36.6° 53.7°
Acceptances for crystal of 1 cm length (FWHM):
Δθ (angle) 1.1 mrad 2.2 mrad 1.2 mrad 2.3 mrad
ΔΤ (thermal) 10 K 11.8 K 32.5 K 29.4 K
Δλ (spectral) 21 nm 4.5 nm  6.6 nm 4.2 nm
Walk-off angle 28 mrad 25 mrad 25 mrad 25 mrad

Product detail pictures:

Super Lowest Price Lib3o5 - KDP & DKDP Crystal  – WISOPTIC detail pictures

Super Lowest Price Lib3o5 - KDP & DKDP Crystal  – WISOPTIC detail pictures

Super Lowest Price Lib3o5 - KDP & DKDP Crystal  – WISOPTIC detail pictures

Super Lowest Price Lib3o5 - KDP & DKDP Crystal  – WISOPTIC detail pictures


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We know that we only thrive if we could guarantee our combined price tag competiveness and quality advantageous at the same time for Super Lowest Price Lib3o5 - KDP & DKDP Crystal – WISOPTIC, The product will supply to all over the world, such as: Jordan, Burundi, Puerto Rico, Satisfaction and good credit to every customer is our priority. We focus on every detail of order processing for customers till they have received safe and sound solutions with good logistics service and economical cost. Depending on this, our solutions are sold very well in the countries in Africa, the Mid-East and Southeast Asia.
  • The goods are very perfect and the company sales manager is warmful, we will come to this company to purchase next time.
    5 Stars By Tyler Larson from Swansea - 2017.05.21 12:31
    High production efficiency and good product quality, fast delivery and completed after-sale protection, a right choice, a best choice.
    5 Stars By Kay from Indonesia - 2018.06.18 19:26

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