KTP
KTP (KTiOPO4) is a very excellent nonlinear crystal that can be used from the visible to the mid-infrared band. It features a large nonlinear coefficient, large acceptance angle and small walk-off angle, and is widely used in commercial and military laser fields, including laboratory and medical systems, detectors, LiDAR, optical communications and industrial laser systems. ★ Large acceptance angle, small walk-off angle ★ Wide temperature and spectral bandwidth ★ High electro-optic coefficient, low dielectric constant ★ Non-hygroscopic, stable chemical and mechanical properties ★ High conversion efficiency ★ Large nonlinear coefficient ★ Good thermal conductivity
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Overview
Specifications
| Parameter | Value |
|---|---|
| Overview - Crystal Structure | Orthorhombic crystal system, space group mm^2 |
| Overview - Melting Point | 1172°C |
| Overview - Curie Point | 936°C |
| Overview - Density | 3.01g/cm^3 |
| Overview - Linear Absorption Coefficient | <0.1%/cm at 1064nm <1%/cm at 532nm |
| Overview - Deliquescence | Non-deliquescent |
| Overview - Relative Permittivity | e_eff=13 |
| Overview - Specific Heat | 0.1643 cal/g.^oC |
| Overview - Electrical Conductivity | 3.5x10^-8 s/cm (c-axis, 22^oC, 1KHz) |
| Overview - Thermal Conductivity | 13W/m/K |
| Overview - Transmission Range | 350~4500nm |
| Overview - Absorption Coefficient | < 1%/cm @1064nm and 532nm |
| Overview - SHG Phase Matching Range | 0.984-3.4μm |
| °C) | dn_x/dT=1.1x10-5/℃ dn_y/dT=1.3x10-5/℃ dn_z/dT=1.6x10-5/℃ |
| Overview - Nonlinear Coefficients | d_31=2.54pm/V, d_31=4.35pm/V, d_31=16.9pm/V d_24=3.64pm/V, d_15=1.91pm/V at 1.064 µm d_eff(II)≈ (d_24-d_15)sin2φsin2θ-(d_15sin2φ+d_24cos2φ)sinθ |
| Overview - Sellmeier Equation (λ in μm) | n_x^2=3.0065+0.03901/(λ^2-0.04251)-0.01327λ^2 n_y^2=3.0333+0.04154/(λ^2-0.04547)-0.01408λ^2 n_z^2=3.3134+0.05694/(λ^2-0.05658)-0.01682λ^2 |
| Overview - Damage Threshold | > 450MW/cm^2, (@1064nm 10ns, 10Hz) |
| Pointing Accuracy | Δθ<0.5°, Δφ<0.5° |
| Clear Aperture Dimension | >95% |
| Parallelism | <20 arcsec |
| Perpendicularity | <15 arcmin |
| Specification - Residual Reflectance | <0.2%@1064nm, <0.5%@532nm |
| Specification - Warranty Period | 1 year |
Key Features
Datasheet
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Supplier Information
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