At General Optics, surface finishing is the final and most critical step in delivering high-performance optical components. Through advanced polishing, edge treatment, and inspection techniques, we guarantee optical surfaces with exceptional accuracy, stability, and long-term reliability for the most demanding applications.
Capabilities
- Surface Roughness: Ra < 0.5 nm (verified by profilometry)
- Surface Accuracy: Up to λ/10 @ 633 nm
- Surface Quality: 10-5 scratch-dig (MIL-PRF-13830B compliant)
- Edge Finishing: Beveling, edge rounding, and protective edge treatments available
- Applicable Materials: UV / VIS / IR glass, optical crystals, and ceramics
Process Highlights
- Fine polishing using planetary and double-sided polishing systems
- Final surface protection and controlled cleaning protocols
- Comprehensive inspection using interferometric and white-light testing methods
Applications
- Semiconductor lithography and inspection optics
- Aerospace telescopes and large-format imaging systems
- High-power laser systems requiring defect-free surfaces
- Precision medical imaging and diagnostic instruments
Differentiation
At General Optics, surface finishing means more than producing a smooth surface — it is about achieving defect-free optics with industry-leading performance and consistency.
Our surface finishing processes deliver:
- Ultra-low roughness (Ra < 0.5 nm) for superior light transmission and reflection control
- Stable defect-free surfaces meeting 10-5 scratch-dig and λ/10 flatness requirements
- Long-term reliability proven through ISO 9001 certified QA and MIL-STD environmental testing
This ensures unmatched quality for semiconductor lithography, high-power laser systems, aerospace imaging, and advanced medical optics.
Quality & Standards
- ISO 9001 Certified Quality Management System
- Optical components tested in accordance with MIL-STD environmental durability procedures