Spherical Optics Processing
Ultraopto - Spherical Optics Processing Capabilities
Spherical optics is the core product category of Ultraopto, covering spherical mirror substrates, spherical lenses, spherical reflectors and other core optical components. We have built a complete and high-precision spherical optics processing system, with professional processing equipment and strict precision control for each process, to ensure that the products meet international optical industry standards and customer customized high-precision requirements. The detailed processing capabilities, adopted equipment and achievable precision are shown in the following table:

| Processing Process | Adopted Professional Equipment | Achievable Precision Index | Applicable Products |
|---|---|---|---|
| Substrate Cutting | CNC precision cutting machine, diamond wire cutting machine | Dimensional tolerance: ±0.01mm; Flatness: ≤0.005mm; Cutting surface roughness: Ra≤0.2μm | All spherical optics substrates (fused silica, calcium fluoride, sapphire, optical glass, etc.) |
| Grinding (Coarse/Fine) | High-precision CNC spherical grinding machine, double-sided grinding machine | Spherical radius tolerance: ±0.002mm; Surface shape accuracy: PV≤1λ (@633nm); Edge chipping: ≤0.05mm | Spherical mirror substrates, spherical lens blanks, spherical reflector blanks |
| Precision Polishing | Ultra-smooth CNC polishing machine, magnetorheological polishing machine | Surface roughness: Ra≤0.5nm (ultra-smooth surface); Surface shape accuracy: λ/8~λ/20 (@633nm); Local slope error: ≤0.005λ/cm | Double-sided ultra-smooth spherical mirror substrates, high-precision spherical lenses/reflectors |
| Spherical Centering & Edging | CNC high-precision centering edging machine, optical axis alignment instrument | Concentricity error: ≤0.001mm; Radial runout: ≤0.002mm; Edge dimensional tolerance: ±0.005mm | Centered spherical lenses, spherical reflectors with precise edge requirements |
| Surface Cleaning & Drying | Ultra-high purity ultrasonic cleaning machine (multi-tank), low-temperature vacuum drying oven | Surface particle grade: Class 100 (≤0.5μm particles, no visible contaminants); No surface chemical residue | All finished spherical optical components |
| Optical Coating | High-vacuum electron beam evaporation coating machine, ion beam sputtering coating machine | Coating thickness tolerance: ±1nm; Reflectivity: Up to 99.999% (for specific bands); Transmittance: ≥99.5% (AR coating, visible/IR/UV bands); Adhesion: Grade 1 (ISO standard) | Coated spherical reflectors, spherical lenses, spherical mirror substrates |
| Precision Detection (Online/Finished Product) | Zygo interferometer, laser profilometer, atomic force microscope (AFM), high-precision optical power meter | Comprehensive surface shape detection: λ/20 (@633nm); Roughness detection: 0.01nm resolution; Optical performance detection: ±0.1% precision | All spherical optics semi-finished/finished products |
Core Processing Advantages
Multi-material Adaptation:
Realize high-precision processing of various optical materials including fused silica (193nm/248nm grade), calcium fluoride, sapphire, various optical glass, etc., adapting to UV/visible/infrared band application requirements.
Full Customization:
Support customized processing of spherical optics with different specifications (aperture, curvature radius), and can match personalized processing requirements according to customer drawings and technical parameters.
Integrated Process Control:
From substrate cutting to finished product detection, the whole process is equipped with online precision monitoring, to avoid precision deviation caused by process transfer, and ensure the consistency of product precision.
Ultra-smooth Surface Technology:
Master the core technology of ultra-smooth spherical surface processing, the surface roughness can reach the nanometer level, meeting the high-end application scenarios such as laser systems, optical communication, and precision imaging.





