Contact Us
- Tel : +86 591 83772101
- Fax : +86 591 83772103
- E-mail : sales@crylight.com
- Website:www.crylight.com
- Address : Bldg2,Wanwushe Smart Industrial park, No 2 Yangqi Branch Rd Gaishan Town ,Cangshan Area Fuzhou Fujian 350007 China
Professional in producing high precision optics and optical imaging lenses since 2005.
Capabilities:
Width x Length: 1x1 ~ 16x16mm
Lenght: 0.02 ~ 20mm
Product Features
01
Potassium Dihydrogen Phosphate (KDP) and Potassium Dideuterium Phosphate (KD*P ) are among the most widely-used commercial NLO materials.
02
They are commonly used for doubling, tripling and quadrupling of Nd:YAG laser at the room temperature.
03
In addition, they are also excellent electro-optic crystals with high electro-optic coefficients, widely used as electro-optical modulators, Q-switches, and Pockels Cells, etc.
Specifications: | |
Angle tolerance: | Δθ< ± 0.5°; Δφ< ±0.5° |
Dimensional Tolerance: | (W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2mm/-0.1mm) |
Flatness: | <λ/8 at 633nm |
Surface Quality: | 20/10 Scracth/Dig |
Parallelism: | < 20 arc seconds |
Perpendicularity: | < 5 arc minutes |
Wavefront Distortion: | <λ/8 at 633nm |
Clear Aperture: | Central 95% |
Chamfer: | 0.15x45° |
Coating: | * Protective coating is required to prevent polished surfaces from fogging. |
* Anti-reflective coating should be considered if low reflectivity is required. |
Properties: | ||
KDP | KD*P | |
Chemical Formula | KH2PO4 | KD2PO4 |
Transparency Range | 200-1500nm | 200-1600nm |
Nonlinear Coefficients | d36=0.44pm/V | d36=0.40pm/V |
Refractive Index (at 1064nm) | no=1.4938, ne=1.4599 | No=1.4948, ne=1.4554 |
Electro-Optical Coefficients | r41=8.8pm/V | r41=8.8pm/V |
r63=10.3pm/V | r63=25pm/V | |
Longitudinal Half-Wave Voltage: | Vp=7.65KV(l=546nm) | Vp=2.98KV(l=546nm) |
Absorptance: | 0.07/cm | 0.006/cm |
Optical Damage Threshold: | >5 GW/cm2 | >3 GW/cm2 |
Extinction Ratio: | 30dB | 30dB |
Sellmeier Equations of KDP: no2 = 2.259276 + 0.01008956/(λ2 - 0.012942625) + 13.005522λ2/(λ2 - 400) ne2 = 2.132668 + 0.008637494/(l2 - 0.012281043) + 3.2279924l2/(l2 - 400) Sellmeier Equations of DKDP no2 = 1.9575544 + 0.2901391/(l2 - 0.0281399) - 0.02824391l2 +0.004977826l4 ne2 = 1.5005779 + 0.6276034/(l2 - 0.0131558) - 0.01054063l2 +0.002243821l4 |
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