| Categories | Optical Crystal |
|---|---|
| Brand Name: | ZCQ |
| Model Number: | Customized |
| Certification: | RoHS |
| Place of Origin: | China |
| MOQ: | Negotiated |
| Payment Terms: | T/T |
| Supply Ability: | 1000 pieces per month |
| Delivery Time: | 3-4 weeks |
| Packaging Details: | Safe packaging |
| Crystal structure: | Orthorhombic system, space group Pna21, point group mm2 |
| Lattice parameters: | a=6.404A, b=10.616A, c=12.814A, Z=8 |
| Melting point: | About 1172°C |
| Moss hardness: | 5 |
| Density: | 3.01 g/cm3 |
| Thermal conductivity: | 13W/m/K |
| Coefficient of thermal expansion: | ax=11x10-6/0C, ay=9x10-6/0C, az=0.6x10-6/0C |
| Transparent band range: | 350~4500nm |
| SHG phase matching range: | 497 ~ 1800nm (Type II) |
| Absorption coefficient: | <0.1%/cm at 1064nm <1%/cm at 532nm |
KTP Crystal Potassium Titanium Oxide Phosphate (KTiOPO4 ) Crystal
The main advantages of KTP crystals are:
*Large nonlinear optical coefficient
*Large receiving angle, small departure angle
*Wide temperature and spectral bandwidth
*High photoelectric coefficient and low dielectric constant
*High impedance ratio
*Non absorbent, chemical and mechanical stability
KTP crystal structure and physical properties:
| Crystal structure | Orthorhombic system, space group Pna21, point group mm2 |
| Lattice parameters | a=6.404A, b=10.616A, c=12.814A, Z=8 |
| Melting point | About 1172°C |
| Moss hardness | 5 |
| Density | 3.01 g/cm3 |
| Thermal conductivity | 13W/m/K |
| Coefficient of thermal expansion | ax=11x10-6/0C, ay=9x10-6/0C, az=0.6x10-6/0C |
Nonlinear Optical Properties of KTP Crystals
| Transparent band range | 350~4500nm |
| SHG phase matching range | 497 ~ 1800nm (Type II) |
| Thermal Light Coefficient (/° C) | dnx/dT=1.1X10-5 dny/dT=1.3X10-5 dnz/dT=1.6X10-5 |
| Absorption coefficient | <0.1%/cm at 1064nm <1%/cm at 532nm |
| For Type II SHG of a Nd:YAG laser at 1064nm | Temperature Acceptance: 24°C-cm Spectral Acceptance: 0.56nm-cm Angular Acceptance: 14.2mrad-cm (φ);55.3mrad-cm (q) Walk-off Angle: 0.55° |
| Nonlinearity coefficient | deff(II)≈(d24 - d15)sin2fsin2q - (d15sin2f + d24cos2f)sinq |
| Non-vanished Nonlinear magnetization coefficient | d31=6.5 pm/V d24=7.6 pm/V d32= 5 pm/V d15=6.1 pm/V d33=13.7 pm/V |
| Sellmeier equation (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 |
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