Yb:YAG Crystal – Optimal Solution for Advanced Laser Systems

Ytterbium-doped Yttrium Aluminum Garnet (Yb:YAG) is an advanced laser material, offering key advantages over traditional Nd:YAG systems. It is particularly well-suited for diode-pumped laser applications due to its broad absorption bands, low thermal loading, and long upper-laser level lifetime. CASTECH’s Yb:YAG crystal provides a reliable, high-performance solution for a variety of laser applications, including high-power lasers, medical devices, and industrial systems.

Key Features:

• Very low fractional heating: Less than 11%, reducing thermal management issues.
• High slope efficiency: Maximizes the output power of diode-pumped systems.
• Broad absorption bands: Around 8 nm @940 nm, ensuring efficient pumping.
• No excited-state absorption or up-conversion: Enhances efficiency and stability.
• Compatible with reliable InGaAs diodes: Pumping wavelengths of 940 nm or 970 nm.
• High thermal conductivity & mechanical strength: Suitable for high-power applications with minimal thermal damage.
• Exceptional optical quality: Ideal for demanding laser applications requiring precision and stability.

Applications:

• Diode-pumped laser systems: Yb:YAG is ideal for diode-pumped systems, offering better performance than Nd:YAG in various wavelengths.
• Laser sources: It can replace Nd:YAG in 1030 nm lasers and their second harmonic (515 nm), offering more compact and energy-efficient solutions.
• Medical & industrial lasers: Its high thermal conductivity and low fractional heating make it ideal for high-power applications like laser surgery and material processing.

Product Specifications:

• Dopant Concentration: 0.5~20 at% Yb
• Rod Sizes: Diameter: 220 mm, Length: 5150 mm
• Surface Quality: 10/5 to MIL-PRF-13830B
• Wavefront Distortion: < λ/8 @633 nm
• Flatness: λ/8 @633 nm
• AR Coating Reflectivity: R < 0.2% @1030 nm, R < 0.5% @940 nm
• Single Pass Loss: < 3 × 10-3 cm-1

Why Choose CASTECH's Yb:YAG: CASTECH's Yb:YAG crystals are engineered to provide superior performance and reliability in demanding laser systems. With high thermal conductivity, low thermal loading, and broad absorption characteristics, this material ensures efficient and long-lasting operation, making it an excellent choice for professionals in the laser and optics industry.