Product type: Flat Lens. Application: Lighting, Medical. Model: STF5C.
Overview
Sapphire Lens and Window Plano Convex is an optical lens made from Sapphire. Listed geometry: single-lens shape. Optical / electrical data: bandwidth 3-50nm, transmittance >95%. Coating: HMC; surface quality 60-40; flatness 1/4 Lambda. Listed for Lighting and Medical 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 | Single-lens |
| Fwhm | 3-50nm |
| Transmittance | >95% |
| Coating | HMC |
| Surface Quality | 60-40 |
| Flatness | 1/4 Lambda |
| Usage | Lighting, Medical |
| Model NO. | STF5C |
| Tolerance | +/-0.05mm |
| Sunday Optics manufacture | Sapphire window, sapphire lens, sapphire light block,sapphire dome lens. |
| Supplier | Changchun Sunday Optics Co., Ltd. |
Technical data
| Diameter | 0.5mm to 300mm |
|---|---|
| Diameter Tol. | +/-0.02 |
| Material | Sapphire (Al2O3) |
| Surface Quality | 60-40 standard |
| Flatness | 1/4 lambda |
| Chamfer | 0.25mmx45degree |
| Coating | AR Coating is on request. |
What to specify when you request a quote
- Material — listed as “Sapphire”; name the glass or crystal.
- Geometry — give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “60-40”; quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “HMC”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica and Other Glass Materials for Machined Components. 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 Fused Silica Glass Wafers (2–12", JGS1/JGS2).
