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.
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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) |
|
