Achromatic Doublet Lens
An achromatic lens consists of two bonded elements and primarily reduces spherical aberration, coma and chromatic aberration. Sandi Optoelectronics supplies positive achromats and coated negative achromats. Case study: axial and transverse chromatic aberration. Axial aberration arises because a material's refractive index varies with wavelength, changing optical power. Transverse aberration arises from wavelength-dependent magnification. Both ultimately result from wavelength-dependent refractive index.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Structure | Achromatic Doublet Lens |
| Material | Optical glass 、UVFS、Ge、 Silicon 、CaF2、MgF2、ZnSe ZnS、 Sapphire 。 |
| Available diameter | 0.5mm to 600mm |
| Diameter Tolerance [or Customer design] | +0.00/-0.01mm or Customer design |
| Surface Quality | 10-5 |
| Surface Irregularity [@632.8nm or Customer design ; PV] | λ/10 PV @632.8nm or Customer design |
| Thickness tolerance | +0/-0.01mm |
| Clear Aperture [Diameter] | > 90% of the diameter |
| Chamfer [According to Customer Requirements] | 0.05-0.5mmx45 degrees, according to customer requirements |
| Coating | Single Mag2 and multilayer antireflection coatings; 350-650nm; B:650-1050nm; C:1050-1585nm; D:Customer design |
Key Features
Datasheet
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Supplier Information
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