ARD-Optics manufactures cones & truncated cones from sapphire, quartz glass and other optical materials. At the customer's request with high range plane-parallel ends.
Cones and truncated cones from sapphire used in medical installations as lightguides.
- Cones with very sharp top and with diameter up to 0.1 mm.
- Cones, truncated cones with angle accuracy up to 0,1 degree.
Material
|
Sapphire
|
Quartz glass & other optical materials |
Flatness
|
Up to 2λ
|
Up to λ/4 |
Diameter
|
5-100 mm
|
5-100 mm |
Diameter tolerance
|
+/- 0.1 mm
|
+/- 0.1 mm
|
Thickness tolerance
|
+/- 0.1 mm
|
+/- 0.1 mm |
Ends parallelism
|
Up to 5 arc min.
|
Up to 5 arc min. |
Angle |
0-100 ° +/- 0.1 ° |
0-100 ° +/- 0.1 ° |
Surface quality S/D MIL-13830
|
40/20
|
20/10
|
Ends perpendicularity to axis
|
90 ° +/- 30 min
|
90 ° +/- 30 min |
Chamfer |
0.1 mm |
0.1 mm |

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