Microspherical Lens
Sandi Optoelectronics makes microlenses from optical-glass substrates with minimum diameter 0.1mm. What is a microlens? These small lenses range from tens of micrometers to a few millimeters in diameter. Curvature focuses or diverges light. Convex lenses, thicker centrally and thinner at the edges, refract parallel rays to a focus; concave lenses, thinner centrally and thicker at the edges, diverge them. Small size and distinctive optical properties enable many applications. Shapes include spherical, cylindrical and conical forms. Combining microlenses creates complex microscopes, telescopes and lasers. Applications include communications, medical imaging, displays, optical inspection and bioengineering. This important optical technology will expand further as it develops.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Structure | Microlens |
| Material | Optical glass 、UVFS、 Germanium 、 Silicon 、CaF2、MgF2、ZnSe ZnS、 Sapphire |
| Available diameter | 0.1mm Available |
| Diameter Tolerance [or Customer design] | +0.00/-0.02mm or customer design |
| Surface Quality | 10-5 |
| Surface Irregularity λ [@632.8nm; or Customer design ；@632.8nm or Customer design] | λ/10 @632.8nm or Customer design |
| Thickness tolerance | +0/-0.02mm |
| Clear Aperture [Diameter] | > 90% of the diameter |
| Chamfer [45 Degrees; to Customer Requirements] | 0.05-0.5mmx45 degrees, according to customer requirements |
| Centering | 3 Arcmin |
| Coating | Single Mag2 and multilayer antireflection coatings; 350-650nm; B:650-1050nm; C:1050-1585nm; D:Customer design |
Applications
Datasheet
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Supplier Information
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