Product type: Aspheric Lens. Application: Optical. Model: ASL.
Overview
The Diameter 3mm Focal Length 2mm Optical Glass Aspherical Lens for Laser Collimator is supplied as an optical lens made from Optical Glass. Listed geometry: aspheric lens shape. Optical / electrical data: transmittance >95%. Typical applications: Optical. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Optical Glass |
|---|---|
| Type | Aspheric Lens |
| Shape | Aspheric Lens |
| Transmittance | >95% |
| Usage | Optical |
| Model NO. | ASL |
| Lenses Color | Clear |
| Supplier | Shenyang Ebetter Optics Co., Ltd. |
Technical data
| Product Name | Aspherical lens |
|---|---|
| Diameter &Tolerance | 3-300±0.02mm |
| Clear aperture | >90% |
| Thickenss &Tolerance | 0.5-50±0.0mm |
| Surface Flatness | 1/10 Lambda |
| Surface Quality | 20-10 |
| Material | N-BK7,Quartz, Sapphire, CaF2, Ge,Si,ZnSe |
| Beveling | 0.25±0.1mm |
| Coating | AR coatimg/Reflective coating/Dichroic film |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — give diameter, focal length or radii, angles and tolerances.
- Surface figure — quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica Windows for UV and Laser Optical Systems. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read How to Handle and Maintain Precision Glass Components in Laser Systems. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Laser Beam Splitter Glass Sheet.
