Family 16 · To drawing
Optical Glasses
Optical glasses and crystals, supplied as material as well as made into finished optics. Options run from crown and flint glasses to fused silica, sapphire and UV and IR crystals.

- Fig.
- 16
- Coating
- In-house
- Quality
- ISO 9001
- Custom
- To drawing
- Since
- 1965
- Made in
- Roorkee
What it does · where it’s used
- Crown and flint optical glasses
- Fused silica and sapphire
- IR and UV materials: Si, Ge, ZnS, ZnSe, CaF₂, BaF₂, MgF₂
- Material chosen for your wavelength band
Specify yours.
Start from a catalogue part or from your own drawing, in the material, coating and tolerance grade you need.
AMaterial
- Optical glass (BK7-class crown, flint)
- Fused silica / fused quartz
- Sapphire
- CaF₂
- BaF₂
- MgF₂
- Silicon (Si)
- Germanium (Ge)
- Zinc sulphide (ZnS)
- Zinc selenide (ZnSe)
- Nd:YAG crystal
- Other UV and IR materials
BCoatingIn-house
- ARAnti-reflection
- Al · AgMetallic mirror
- HRDielectric mirror
- Filter
- Beam-splitter
- Polarizing
CTolerance grade
| Parameter | Commercial | Precision |
|---|---|---|
| Thickness | ±0.1 mm | ±0.01 mm |
| Radius | 1% | 0.5% |
| Refractive index | 0.001 | 0.0001 |
| Abbe (V-number) | 1% | 0.1% |
| Centration | 3 arc-min | 30 arc-sec |
| Tilt / wedge | 1 arc-min | 10 arc-sec |
| Surface irregularity | 1 fringe | λ/4 (0.25 fringe) |
| Surface quality (scratch-dig) | 60-40 | 10-5 |
DMade to your drawing
Send your drawing.
A drawing or a short spec is enough. We quote to it.
- Dimensions and tolerances
- Material and coating
- Surface quality
- Quantity
Quote for optical glasses.
Tell us the part, material, coating and quantity, or send a drawing. We reply with a quote.