General Optics provides precision grinding and polishing capabilities for a wide range of optical components, from lenses and prisms to windows and waveplates, ensuring durability and stable performance under extreme environments.
Optical Components – Capability Table
| Optical Components1) |
Material | Surface Accuracy | Surface Quality | Diameter (mm) | |||
|---|---|---|---|---|---|---|---|
| UV/Vis/NIR Glass |
Far IR Glass2) |
UV/Vis/NIR Glass |
Far IR Glass |
UV/Vis/NIR Glass |
Far IR Glass |
||
| Spherical Lens | ● | ● | λ/103) | λ/10 | 10/5 | 40/20 | Ø2 ~ Ø300 |
| Lens Assemblies | ● | ● | λ/4 | 10/5 | 40/20 | ||
| Windows | ● | ● | λ/10 | λ/10 | 10/5 | 40/20 | Ø2 ~ Ø5004) |
| Aspherical Lens | ● | ● | 20/10 | 40/20 | |||
| Prisms | ● | ● | λ/10 | λ/10 | 10/5 | 40/20 | Ø2 ~ Ø200 |
| Cylindrical Lens | ● | λ/4 | 10/5 | ||||
| Waveplates | ● | λ/10 | 10/5 | Ø5 ~ Ø500 | |||
Notes
- All products can be customized upon request.
- Far IR glass materials include Ge, Si, ZnS, ZnSe, CaF₂, MgF₂.
- λ/10 represents a research-grade specification required for aerospace, defense, and high-end scientific optics.
- Machining, polishing, and coating are available for large-format optics up to 1,850 × 120 × 60 mm (L × W × T).
Quality in Fabrication
- All precision grinding and polishing processes are performed under ISO 9001 certified quality management systems.
- Optical surfaces are verified using interferometry and MTF analysis.
- Environmental and durability testing are conducted in accordance with MIL-STD procedures.
Excimer Laser Annealing Window
- Design Wavelength: 308 nm
- Material: UV Fused Silica
- Size Range:
- Length: 300 – 1,850 mm
- Thickness: 20 – 50 mm
- Surface Quality: 40-20
