Light Guide
Light guide is based on the internal total reflection,which can improve the coupling efficiency by convert lights from nonuniform to uniform.Numerical aperture (NA) is the key indicator and is inversely proportional to the length.A big NA requires a short length and small NA requires long.
Applications:
- Light Source
- Projection Display
Capability:
| PARAMETER | COMMERCIAL | HIGH PRECISION |
| Material | N-BK7 ,Fused silica or other material upon request | |
| Clear Aperture | 100% | |
| Length | From 5mm to 200mm | |
| Dimension Tolerance | ±0.1mm | ±0.02mm |
| Flatness | λ/4 @632.8nm | λ/10@632.8nm |
| Surface Quality(S/D) | 40-20 | 10-5 |
| Chip | ＜0.05mm | ＜0.02mm |
| Angle Tolerance | ±3 arcmin | ±30 arcsec |
| AR Coating | AR＜0.2%@CWL | |
Other material ,sizes, tolerance and coatings are also available upon request.