Product Name: Alumina Ceramic Plate for CO₂ Laser
Product Material: High-Purity Alumina Ceramic (Al₂O₃ ≥99.7%), with optional zirconia toughening (ZTA) for enhanced fracture resistance
Material Characteristics:
High thermal conductivity (28-32 W/m·K), Excellent thermal stability (up to 1700°C), Low thermal expansion coefficient (7.8×10⁻⁶/°C), High laser transmittance (85-90% for CO₂ wavelengths), Superior wear resistance, Chemical inertness (resistant to laser gases, cleaning agents), High electrical insulation (>25 kV/mm), Low surface roughness (Ra < 0.2 µm)
Application Fields:
CO₂ laser windows, Resonator mirrors, Beam combiners, Output couplers, Laser cavity end plates, High-power laser optics
Application Industries:
Industrial laser cutting & welding, Medical laser systems (dermatology, surgery), Aerospace component manufacturing, Defense laser weaponry, Scientific research (high-energy physics)
Processing Difficulties:
Ensuring uniform laser transmittance, preventing thermal warping during sintering, achieving <5 arc second parallelism, controlling surface roughness for minimal scattering, avoiding edge chipping, minimizing subsurface polishing damage, maintaining vacuum compatibility
Processing Flow:
Raw material purification → Isostatic pressing → Presintering → High-precision double-sided grinding → Fine polishing (magnetorheological finishing) → Anti-reflective coating (optional) → Interferometric quality testing → Vacuum compatibility treatment → Cleanroom packaging
Delivery Period:
40-55 days (standard sizes), 60-85 days (custom large-format/ultra-precision plates)
The Alumina Ceramic Plate for CO₂ Laser is a precision-engineered optical component designed for high-power laser systems operating in the 10.6 µm wavelength range. Manufactured from ultra-pure alumina with optional zirconia reinforcement, this plate provides exceptional thermal management, optical clarity, and mechanical durability. Its high thermal conductivity enables efficient heat dissipation, while its low thermal expansion prevents deformation under intense laser irradiation
Key Features: