General Optics
Aspherical Lenses
Reduce component count, minimize size and weight, and improve performance in optical systems using these precision glasses and fused silica aspheric lenses.
Coherent combines in-house optical design, CNC polishing, 3D non-contact metrology, coating, and assembly capabilities to deliver high-quality aspheric lenses for a wide variety of applications covering the 193 nm to 3 μm spectral range.
Aspheric Lenses Capabilities
Use the chart below as a guide to the extensive manufacturing capabilities available at Coherent for the production of precision aspheric optics.
|
Commercial |
Precision |
Materials |
Optical Glass, Fused Silica |
|
Dimensions |
10 - 260 mm Ø |
|
Diameter Tolerance |
±0.1 mm |
±0.02 mm |
Centering |
<3’ |
<20” |
Surface Quality |
60-40 |
10-5 |
Irregularity (Peak-to-Valley) |
<1 μm |
<0.2 μm |
Irregularity (RMS) |
<0.2 μm |
<0.02 μm |
Slope Error |
<1 min |
<0.3 min |
1 mm Integration Length |
(PV:0.3 μm) |
(PV:0.1μm) |
Surface Roughness |
0.5 nm Ra |
0.3 nm Ra |
Coating |
AR, BBAR, HR-mirror, custom coatings (193 nm - 3 μm) |
|
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Optical Manufacturing Capabilities
Learn about the vertically integrated capabilities for material growth, fabrication, coating, and assembly, and rigorous QA at Coherent. Discover how these ensure the performance and reliability of our optics and minimize supply chain risks and uncertainties.
