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Product Catalog

Crystal Products

    1. Optical Crystals
    1. CaF2
    1. LiF
    1. MgF2
    1. BaF2
    1. Scintillation Crystals
    1. CsI:Tl
    1. NaI:Tl
    1. BGO
    1. Ce:LaCl3
    1. Ce:LaBr3
    1. Eu:CaF2
    1. PbWO4
    1. CeF3
    1. Laser Crystals
    1. Ti:Sapphire
    1. Nd:GdVO4
    1. Nd:YVO4
    1. Nd:YLF (Er/Tm/Ho etc.)
    1. Nd:YAG (Er/Cr/Yb etc.)
    1. Nonlinear Crystals
    1. LiNbO3
    1. LBO
    1. BBO
    1. KDP KD*P
    1. KTP
    1. KTA

Optics Products

    1. Optical Filters
    1. Laser antireflection film
    1. Long-wave communication cutted interference filters
    1. Short-wave communication cutted interference filters
    1. Near-infrared narrowband interference filters
    1. Visible light narrowband interference filters
    1. Ultraviolet interference filters
    1. Optical Lenses
    1. Plane convex lens
    1. Double agglutination achromatic concave lens
    1. Double agglutination achromatic lens
    1. Meniscus lens
    1. Double concave lens
    1. Double convex lens
    1. Plano-concave lens
    1. Optical Prisms
    1. Dove Prisms
    1. 90 Degree Bending Prisms
    1. Optical Windows
    1. Rectangular windows
    1. Circular windows
    1. Optical Mirrors
    1. Pumping Beam and Basic Frequency Laser mirror
    1. High Energy/Power Partially Reflecting Laser Mirrors
    1. High Energy/Power Laser Mirrors
    1. Rectangular Plane Mirrors
    1. Optical Waveplates
    1. Achromatic Waveplates
    1. Dual Wavelength Waveplates
    1. Multi Order Waveplates
    1. Low Order Waveplates
    1. Zero Order Waveplates
    1. True Zero Order Waveplates
    1. Optical System
    1. F-θ Lens
    1. Laser Beam Expanders

Fibers Products

    1. Specialty Fibers
    1. Polarization-Maintaining Fiber
    1. Plastic-clad Silica Fiber(BGHP)
    1. Gradient-index VIS-IR silica fibers (GITU)
    1. Visible light optimized silica fibers (BGOU)
    1. Visible-Near Infrared low hydroxyl Spectrum analysis optical fibers (BGWU)
    1. Visible-Near Infrared wide spectrum applied silica fiber (BGTU)
    1. Anti-irradiation Silica Fiber (BGHR)
    1. Ultraviolet Light Optimized Silica Fiber(BGSU)
    1. Fiber Assemblies
    1. FE-G Series Optical Fiber Endoscope
    1. FE-01 Series Micro Endoscope
    1. Optical Fiber Jumper SMA-905 connector
    1. UV-curing optical fiber bundle
    1. Fiber Bundles(glass fiber/glass fiber)
    1. Fiber Bundles (Silica fiber/Silica fiber)
    1. Fiber Bundles
    1. Quartz Substrate and Quartz Tu
    1. Quartz Substrate and Quartz Tu

Specialty Glass

    1. Scum Glass
    1. Flux for Centrifugal Casting of Composite Roll
    1. Enveloping Glass
    1. Sealing Glass and its Products
    1. High Temperature Coating Mater
    1. High Temperature Resistant Coating Material

Contact Us

+86-10-81508344(Sales Department)
No.5, Xingguang 4 Ave ,Opto-Mechatronics Industrial Park ,TongZhou district,Beijing 101111,China

Nonlinear Crystals

  • Product Name: KDP KD*P
  • Dimension Tolerance :W x H (+/- 0.1mm) x L (+0.2/-0.1mm)
  • Angle Tolerance:Δθ ≤ 0.25°, Δφ ≤ 0.25°
  • Parallelism:< 20 arc seconds
  • Perpendicularity:< 5 arc minutes
  • Chamfer:0.1mm at 45°
  • Clear Aperture:90%
  • Scratch and Dig:20/10
  • Surface Flatness:λ/8 at 633nm
  • Wavefront Distortion:λ/8 at 633nm
  • Damage Threshold :KDP > 5 GW/cm2 at 1064nm, 10ns, 10Hz DKDP > 3 GW/cm2 at 1064nm, 10ns, 10Hz

Product overview

Potassium Dihydrogen Phosphate (KDP) and Potassium Dideuterium Phosphate (KD*P ) are among the most widely-used commercial NLO materials, characterized by good UV transmission, high damage threshold, and high birefringence, though their NLO coefficients are relatively low. They are usually used for doubling, tripling and quadrupling of a Nd:YAG laser at the room temperature. In addition, they are also excellent electro-optic crystals with high electro-optic coefficients, widely used as electro-optical modulators, such as Q-switches, Pockels Cells, etc.



Scitlion is able to offer
Rod diameter from 1mm to 40mm
Length from 1mm to 60mm
Coating upon your request
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KDP

DKDP

Chemical Formula

KH2PO4

KD2PO4

Transparency Range 

200nm-1500nm

200nm-1600nm

Nonlinear Coefficients

d36=0.44 pm/V

d36=0.40 pm/V

Refractive index ( at 1064nm)

no=1.4938, ne=1.4599

no=1.4948, ne=1.4554

Electro-optical Coefficients 

γ41=8.8pm/V
γ63=10.3pm/V

γ41=8.8pm/V
γ63=25pm/V

Longitudinal Half-wave Voltage

Vπ=7.65kV(λ=546nm)

Vπ=2.98kV(λ=546nm)

Absorption Coefficients 

7% cm-1

0.6% cm-1

Sellmeier Equations  KDP  (λ in μm) 
no2=2.259276+0.01008956/(λ2-0.012942625)+13.00522λ2/(λ2-400) ne2=2.132668+0.008637494/(λ2-0.012281043)+3.2279924λ2/(λ2-400) 

Sellmeier Equations  DKDP  (λ in μm)
no2=1.9575544+0.2901391λ2/(λ2-0.0281399)-0.02824391λ2+0.004977826λ2 
ne2=1.5005779+0.6276034λ2/(λ2-0.0131558)-0.01054063λ2+0.002243821λ2 

Copyright © 2013 Beijing Scitlion Technology Corp., Ltd. ICP 13009825-1 Tel:+86-10-81508344
No.5, Xingguang 4 Ave, Opto-Mechatronics Industrial Park, Tongzhou district, Beijing 101111, China.