Fabrication and polishing
We provide polishing processing of fluorite and other optical materials, delivering products in shapes of lens, plane glass or other component with a diameter up to 400 mm from single to mass production.
High accuracy | General accuracy | |
---|---|---|
Size | CaF2 φ10-200mm BaF2 φ10-130mm |
|
Material | CaF2, BaF2, Optical glass | |
Machined shape | Various lenses (biconvex lens, meniscus lens, etc.) | |
Plane glass, prism, etc. | ||
Curvature | < ±1Fr | < ±5Fr |
Profile irregularity | < λ/6.66 | < λ/2 |
Surface roughness | < RMS 0.3nm | < RMS 3nm |
Diameter tolerance | ±0.005㎜ | ±0.015㎜ |
Wall | ±0.01㎜ | ±0.1㎜ |
Eccentricity | < 20 seconds | < 1 minutes |
Appearance accuracy(S/D) | Compliable with MIL-0-13830 Canon Optron's standards usually recommended |
Polished surface accuracy of fluorite
![Polished surface accuracy of fluorite](/ja/img/fluorite/finish_img01.gif)
Polished surface roughness of fluorite
![Polished surface roughness of fluorite](/ja/img/fluorite/finish_img02.gif)