Aspheres
Precision Aspheres
Let our knowledgeable engineers and skilled manufacturing technicians assess your
project. We are well positioned to provide a full range of optical products from materials and components to complex multi-element lenses and fully aligned opto-mechanical assemblies.
Meeting Requirements for Demanding Applications
Material Choices – fused silica, calcium fluoride, optical glasses and more
Diameters to 200 mm and more
State-of-the-Art manufacturing capability
DUV to IR applications
Full Suite of Measurement Capabilities
Comprehensive measurement capabilities can provide the accuracy you require in a cost-effective manner.Leverage quality architecture and measurement tools to obtain the performance required:
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~ 1.0 µm |
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|
~ 0.1 µm |
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~ 0.03 µm |
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|
~ 0.03 µm |
Specifications and Tolerance Limits
|
Capability by Attribute |
Units |
Manufacturing Limits |
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|
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Dimensional Tolerances |
|
|
|
Diameter |
mm |
+0.000 / -0.002 |
|
Center Thickness |
mm |
+0.010 / -0.010 |
|
Radius |
mm |
< 1 fringe |
|
Mechanical Departures |
|
|
|
Bevel Sags |
mm |
+0.000 / -0.002 |
|
Sag |
mm |
+0.000 / -0.002 |
|
Wedge |
mm |
+0.0005 / -0.0005 |
|
Aspheric Profile Tolerances |
|
|
|
Irregularity (PV) |
fringes |
0.05 |
|
Irregularity |
nm |
2 |
|
Slope |
fr/mm |
0.1 |
|
Profile |
µm |
< 0.025 |
|
Features |
|
|
|
Bevels |
mm |
0.3 |
|
Roughness |
Å |
2 |
|
Scratch-Dig |
|
< 20-10 |
NOTE: Manufacturing specification limits are dependent on required diameters and departure from best fit spheres.