Potassium Titanyl Phosphate (KTiOPO4), commonly referred to as KTP, is one of the most widely used nonlinear optical crystals due to its excellent properties for frequency doubling (second harmonic generation) and other nonlinear optical processes. Its robustness and effectiveness in converting infrared laser light into visible wavelengths make KTP essential in various laser systems.
Properties of KTP:
- High Nonlinear Optical Coefficients: KTP has strong nonlinear optical coefficients, which makes it highly effective for frequency doubling (converting laser light from one wavelength to half that wavelength).
- High Damage Threshold: It can handle high power densities, which is critical in laser applications where intense light beams are used.
- Wide Transparency Range: KTP is transparent to wavelengths between about 350 nm and 4500 nm, accommodating a broad spectrum of light.
- Phase Matching Capabilities: KTP allows for both Type I and Type II phase matching, providing flexibility in how the crystal can be used to manipulate light, depending on the application’s requirements.
Applications of KTP:
- Green Laser Production: Perhaps the most common application of KTP is in green laser pointers, where it is used to frequency-double 1064 nm light from a Nd:YAG laser to 532 nm, producing bright green light.
- Laser Spectroscopy: KTP’s ability to efficiently convert wavelengths makes it suitable for various spectroscopic techniques, enhancing the capabilities of instruments to detect and analyze a wide range of materials.
- Medical Devices: In medical laser systems, KTP is used for procedures requiring different wavelengths, such as dermatological treatments and surgeries, where precision and the ability to manipulate light are crucial.
- Optical Parametric Oscillators (OPOs): KTP is often used in OPOs to generate tunable output across a wide range of wavelengths by varying the input beam and the temperature or angle of the crystal.
The manufacturing and handling of KTP require precision to maintain its nonlinear optical properties and structural integrity. This includes careful growth of the crystal, cutting it at precise angles to the crystallographic axes, and ensuring that it is free from defects and inclusions which can affect its performance. The effectiveness of KTP in these high-tech applications underscores its significance in advancing laser technology and optical science.
Shapeoptics is Able to Offer
- Rod diameter from 1mm～40mm
- Length from 1mm～60mm
- Coating upon your request
Standard Specifications
KTP or Potassium Titanyl Phosphate (KTiOPO4) is widely used in both commercial and military lasers including laboratory and medi- cal systems, range finders, lidar, optical communication and indus- trial systems. It has large nonlinear optical coefficient, wide angular bandwidth and small walk-of angle. As well as broad temperature and spectral bandwidth.
Shapeoptics offers a comprehensive range of materials and advanced equipment for custom and OEM optical components, leveraging over 20 years of expertise in manufacturing lenses, prisms, windows, and more. We utilize high-quality materials like UV and IR grade fused silica, Germanium, and ZnSe, among others. Our state-of-the-art techniques and equipment minimize waste and optimize delivery times. Our in-house capabilities include standard and custom coatings across the UV-NIR spectrum, ensuring high quality and compliance with all industry standards. For precision and reliability in optics, contact Shapeoptics for your next project.
