Applications:
◆Frequency Doubling (SHG) of Nd-doped Lasers for Green/Red Output
◆Frequency Mixing (SFM) of Nd Laser and Diode Laser for Blue Output
◆Parametric Sources (OPG, OPA and OPO) for 0.6mm-4.5mm Tunable Output
◆Electrical Optical(E-O) Modulators, Optical Switches, and Directional Couplers
◆Optical Waveguides for Integrated NLO and E-O Devices
Features:
◆Efficient frequency conversion(1064nm SHG conversion efficiency is about 80%)
◆Large nonlinear optical coefficients(1.5 times that of KDP)
◆Wide angular bandwidth and small walk-off angle
◆Broad temperature and spectral bandwidth
◆High thermal conductivity (2 times that of BNN crystal )
◆Moisture free
◆Super-polished optical surface
◆No decomposition below 900°C
◆Low cost compare with BBO and LBO
◆Gray-tracking at high power limited it's application to moderate power density
Main Specification:
| Material | KTiOPO4 |
| Orientation accuracy of cut angle | <30 arc min |
| Phase matching type | Type II, θ=90°; φ=phase-matching angle |
| Phase matching range | 497nm – 3300nm |
Coating | a) S1 & S2: AR @1064nm R<0.1%; AR @ 532nm, R<0.25% b) S1: HR @1064nm, R>99.8%; HT @808nm, T>5% S2: AR @1064nm, R<0.1%; AR @532nm, R<0.25% Customized coating available upon customer request. |
| Angle tolerance | △θ≤0.25°, △ф≤0.25° |
Dimension tolerance | (Width±0.1mm)×(Height±0.1mm)×(Length+0.5/-0.1mm) for Length≥2.5mm (Width±0.1mm)×(Height±0.1mm)×(Length+0.1/-0.1mm) for Length<2.5mm |
| Flatness | <λ/8 @633nm |
| Surface quality | 10/5 Scratch/dig per MIL-O-13830A |
| Parallelism | <10 arc sec |
| Perpendicularity | ≤5 arc min |
| Wavefront distortion | < λ/8@633nm |
| Clear Aperture | >90% central area |
| Working Temperature | 25°C ~ 80°C |
Physical Properties:
| Crystal Structure | Orthorhombic Point group: mm2 |
| Lattice Parameters | a=6.404Å, b=10.615Å, c=12.814Å, Z=8 |
| Melting Point | About 1172°C |
| Transition Temperature | 936°C |
| Temperature of decomposition | ~1150°C |
| Optical Homogeneity | dn ~10-6/cm |
| Hardness | ~5 |
| Density | 3.01 g/cm3 |
| Specific heat | 0.1737 cal/g.°C |
| Absorption Coefficient | a < 1%/cm @1064nm and 532nm |
| Hygroscopic Susceptibility | No |
| Dielectric Constant | eeff = 13 |
| Thermal Expansion Coefficients (in the range of 25°C- 900°C) | a1 = 11 x 10-6 °C-1 |
| a2 = 9 x 10-6 °C-1 | |
| a3 = 0.6 x 10-6 °C-1 | |
| Thermal Conductivity | 0.13 W/cm/°C |
| Thermal Conductivity Coefficients | k1 = 2.0 x 10-2 W/cm °C |
| k2 = 3.0 x 10-2 W/cm °C | |
| k3 = 3.3 x 10-2 W/cm °C | |
| Electrical Conductivity | 3.5x10-8 s/cm (c-axis, 22°C, 1KHz) |
Linear Optical Properties:
| Transparency Range | 350nm ~ 4500nm |
| Therm-Optic Coefficients | dnx/dT=1.1x10-5/°C |
| dny/dT=1.3x10-5/°C | |
| dnz/dT=1.6x10-5/°C | |
| Sellmeier Equations (λ in μm) | nx2=3.0065+0.03901/(l 2-0.04251)-0.01327l 2 |
| ny2=3.0333+0.04154/(l 2-0.04547)-0.01408l 2 | |
| nz2=3.3134+0.05694/(l 2-0.05658)-0.01682l 2 |
Nonlinear Optical Properties:
| Phase-matchable SHG range | 497 ~ 1800nm (Type II) |
| For Type II SHG of a Nd:YAG laser @1064nm | |
| NLO Coefficients | d31=2.54pm/V, d31=4.35pm/V, d31=16.9pm/V |
| d24=3.64pm/V, d15=1.91pm/V @1.064 mm | |
| Non-vanished NLO Susceptibilities | d31=6.5 pm/V d24=7.6 pm/V |
| d32= 5 pm/V d15=6.1 pm/V | |
| d33=13.7 pm/V | |
| Effective nonlinear optical coefficients | deff(II)≈ (d24 - d15)sin2qsin2j - (d15sin2j + d24cos2j)sinq |
| Electro-Optic Coefficients | |
| Damage Threshold | >0.5 GW/cm2 for 10 ns pulses @1064 nm |
Notice: Engineers can select and design the best solution for you, if the main parameters of your laser are provided, such as energy per pulse, pulse width and repetition rate for a pulsed laser, power for a cw laser, laser beam diameter, mode condition, divergence, wavelength tuning range, etc.
Introducing our Nonlinear Crystal KTP, a cutting-edge product designed to meet the demanding needs of professionals in various industries. With a professional tone of voice, we present this product description to highlight its exceptional features.
The Nonlinear Crystal KTP is specifically engineered to facilitate neodymium laser frequency doubling, resulting in a remarkable output of green and red light. This feature allows for enhanced precision and versatility in a wide range of applications. Whether you require a vibrant green or a striking red light, this crystal delivers exceptional performance, ensuring your desired outcome is achieved with utmost accuracy.
Furthermore, our Nonlinear Crystal KTP also excels in mixed frequency laser output. By combining the power of Nd laser and semiconductor laser, this crystal produces a brilliant blue light that is both captivating and impactful. This feature expands the possibilities for various scientific, medical, and industrial applications, where blue light is crucial for achieving desired results.
Crafted with utmost professionalism, the Nonlinear Crystal KTP is meticulously designed to meet the highest standards of quality and reliability. Its advanced technology ensures consistent and stable performance, allowing you to focus on your work without any distractions or setbacks.
Invest in the Nonlinear Crystal KTP today and experience the unparalleled precision and versatility it brings to your professional endeavors. With its exceptional neodymium laser frequency doubling output of green and red light, as well as the impressive mixed frequency laser output of blue light, this crystal is a game-changer in the field. Trust in its capabilities and elevate your work to new heights.
