Product type: Flat Lens. Application: Optical. Model: FW-Glass.
Overview
Optical Glass Lens, Optical Glass Windows: an optical lens made from Sapphire. Listed geometry: size Customized, thickness Customized, round shape. Optical / electrical data: transmittance >95%. Listed for Optical applications. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Sapphire |
|---|---|
| Type | Flat Lens |
| Shape | Round |
| Size | Customized |
| Thickness | Customized |
| Transmittance | >95% |
| Usage | Optical |
| Model NO. | FW-Glass |
| Lenses Color | Clear |
| Growth Method | Ky |
| Supplier | Jiaozuo Commercial Finewin Co., Ltd. |
Technical data
| Specifications | |
|---|---|
| Material | Optical glass |
| Diameter | Φ≥2.0mm ≤250mm |
| Diameter tolerance | ±0.05 mm |
| Thickness | ≥0.1mm |
| Thickness tolerance | ±0.02mm |
| Wedge Angle | ≤10 arc sec |
| Surface Accuracy | λ/10 per Φ25.4mm |
| Surface Quality | 10/5 |
What to specify when you request a quote
- Material — listed as “Sapphire”; name the glass or crystal.
- Geometry — listed as “Customized”; 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 Wafer Material Selection for Precision Glass Processing. 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 Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Infrared Windows.
