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ARD-Optics manufactures polished cylinders-rods (stepped rods with very strict internal angle step) and tubes from sapphire and other optical materials.
Cylinders are used in medical installations as lightguides. Sapphire tubes are used in the lamps of high intensity, UV sterilization and etc.
Cylinders-rods
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Material
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Sapphire
|
Quartz glass & other optical materials |
|
Length
|
5-600 mm
|
5-600 mm |
|
Outer diameter
|
4-60 mm
|
4-60 mm |
|
Diameter tolerance
|
+/-0.05 mm |
+/-0.05 mm |
|
Surface
|
Polished
|
Polished |
|
Side surface
|
Polished
|
Polished |
| Ends perpendicularity |
Up to 5 arc min. |
Up to 5 arc min. |
| Surface quality S/D MIL-13830 |
40/20 |
40/20 |
| Ends parallelism |
Up to 5 arc min. |
Up to 5 arc min. |
| Radius of rounding at inner angle of step |
Up to 0.15 mm |
Up to 0.15 mm |
Tubes
|
Material
|
Sapphire grown by Kyropoulos
|
Quartz glass & other optical materials
|
|
Length
|
5-600 mm
|
5-600 mm |
|
Outer diameter
|
4-60 mm
|
4-60 mm |
|
Wall thickness
|
+/-0.05 mm |
+/-0.05 mm |
|
Surface
|
Polished
|
Polished |
|
Ends surface
|
Polished
|
Polished |
| Perpendicularity |
Up to 5 arc min. |
Up to 5 arc min. |
| Ends parallelism |
40/20 |
40/20 |
| Coaxial |
Up to 5 arc min. |
Up to 5 arc min. |
| Diameter tolerance |
Up to 0.15 mm |
Up to 0.15 mm |
|
Surface quality S/D MIL-13830
|
60/40 |
40/20 |
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