Aspherical Optics Processing
Ultraopto Aspherical Optics Processing Capabilities
Aspherical optics is a key high-precision product line of Ultraopto, mainly covering aspheric Powell prisms, aspheric collimators, micro aspheric lenses and other core aspherical optical components, widely applied in laser systems, optical communication, precision imaging and other high-end fields. We have built a professional aspherical optics processing system with advanced equipment configuration and strict precision control for each processing procedure, which can fully meet the customized high-precision processing requirements of customers. 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 Precision Cutting | CNC ultra-precision wire cutting machine, diamond blade cutting machine | Dimensional tolerance: ±0.005mm; Cutting surface roughness: Ra≤0.1μm; Edge chipping: ≤0.03mm | All aspherical optics substrates (fused silica, sapphire, calcium fluoride, optical glass, etc.) |
| Aspherical Rough/Fine Grinding | 5-axis CNC aspherical grinding machine, ultra-precision profile grinding machine | Aspherical surface profile error: PV≤2λ (@633nm); Curvature tolerance: ±0.001mm; Surface roughness: Ra≤0.5μm | Aspheric prism blanks, aspheric lens blanks, aspheric collimator blanks |
| Ultra-precision Aspherical Polishing | Magnetorheological finishing (MRF) machine, ion beam figuring (IBF) machine, CNC ultra-smooth polishing machine | Surface shape accuracy: PV≤λ/10~λ/20 (@633nm); Surface roughness: Ra≤0.3nm (ultra-smooth surface); Local slope error: ≤0.003λ/cm | Aspheric Powell prisms, high-precision micro aspheric lenses, aspheric laser components |
| Aspherical Centering & Edging | CNC ultra-precision aspheric centering edging machine, optical axis dynamic alignment instrument | Concentricity error: ≤0.0005mm; Radial runout: ≤0.001mm; Edge dimensional tolerance: ±0.003mm | Centered aspheric lenses, aspheric collimators, aspheric reflectors with precise edge requirements |
| Surface Ultra-purification Cleaning | Multi-tank ultra-high purity ultrasonic cleaning machine (100-level clean room), low-temperature vacuum drying system | Surface particle grade: Class 50 (≤0.3μm particles, no visible contaminants); No chemical residue on surface; Hydrophobic anti-contamination treatment available | All finished aspherical optical components |
| Aspherical Optical Coating | High-vacuum ion beam sputtering (IBS) coating machine, electron beam evaporation coating machine with mask alignment | Coating thickness tolerance: ±0.5nm; Reflectivity: Up to 99.999% (specific bands); Transmittance: ≥99.7% (AR coating, UV/visible/IR bands); Coating uniformity: ≥98% | Coated aspheric lenses, aspheric reflectors, aspheric collimators |
| Full-process Precision Detection | 3D optical profiler, Zygo GPI XP interferometer, atomic force microscope (AFM), laser interferometric measuring instrument | Aspherical surface profile detection: λ/20 (@633nm) resolution; Roughness detection: 0.001nm resolution; Optical performance detection: ±0.05% precision | All aspherical optics semi-finished/finished products |
Core Advantages of Aspherical Optics Processing
High-precision Forming Technology:
Master the core processing technologies of MRF and IBF, realize ultra-smooth forming of complex aspherical surfaces, and break through the precision bottleneck of traditional aspherical processing.
Multi-specification Customization:
Support customized processing of aspherical optics with different apertures, curvature types and complex profiles, and can be fully customized according to customer drawings and technical parameters.
Multi-material Adaptation:
Realize high-precision processing of various special optical materials such as 193nm grade fused silica, high-purity calcium fluoride and sapphire, adapting to the application requirements of UV, visible and infrared bands.
Clean Room Production:
The key polishing and cleaning processes are completed in a 100-level clean room, effectively avoiding surface contamination and ensuring the high-performance application of aspherical optical components.
Integrated Process Control:
Realize real-time online precision monitoring from substrate cutting to finished product detection, ensure the consistency of product precision, and the qualification rate of finished products is high.
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