Product type: Convex Lens. Application: Lighting, Medical, Optical, Photography. Model: lens.
Overview
The Zinc Selenide CO2 Laser Focus Optical Lens, Optical Windows is supplied as an optical lens made from Optical Glass. Listed geometry: single-lens shape. Optical / electrical data: transmittance >95%. Coating: 40/20. Listed for Lighting, Medical, Optical and Photography applications. 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 | Convex Lens |
| Shape | Single-lens |
| Transmittance | >95% |
| Coating | 40/20 |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | lens |
| Lenses Color | Clear |
| Specification of our cylinderical lens as follow | Material |
| Supplier | China Star Optics Technology Co., Ltd. |
Technical data
| Material | BK7 A glass, Quartz, CaF2,ZnSe,Optical crystals or others |
|---|---|
| Dimension Tolerance | +0.0 — -0.1mm |
| Surface Quality | 60-40 to 20/10 Scratch/Dig |
| Surface Figure | lambda/2 at 633nm on plano side |
| Chamfer | 0.25mm at 45 degree typical |
| Coating | Optional |
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 — listed as “40/20”; 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 Boost Yield with Fused Silica Viewports for Vacuum and Optical Systems. Before sending a drawing, check Specifying Coatings for Custom Glass Windows and Substrates. A related standard product is Infrared Windows.
